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Sphere Research Corporation
3394 Sunnyside Rd.
West Kelowna, BC, Canada V1Z 2V4
Phone: +1 (250) 769-1834
FAX:+1 (250) 769-4106

A great source for test equipment, repairs, calibrations, useful metrology information, and of course, SLIDE RULES!

Just SCROLL DOWN to see everything!
CLICK to see Parts By the FootCLICKCLICK to SEE!
 Parts by the Foot!
Now OPEN, our PRODUCTION PARTS WAREHOUSE
Literally millions of parts available at great prices!
CLICK to visit the parts warehouse! CLICKCLICK HERE
CLICKTo Visit The Parts Section
   I'm in a HURRY! Show me all the: CLICKOscilloscopes CLICKMeters CLICKPower Supplies CLICKCounters
Test Equipment Navigation
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Used Tektronix
Equipment

Go to the Tek EquipmentEquipment
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Hewlett-Packard
Used HP
Equipment

Go to the HP EquipmentEquipment
Go to the HP Cross-reference DataCross-Ref Data
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FLUKE
Philips
Used Fluke + Philips
Equipment

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Used General Radio
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NEW STUFF, CLICK to see!NEW STUFF, CLICK to see!NEW STUFF, CLICK to see!
Go to the NEW STUFF!Lots of NEW Arrivals!
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Go to the NEW STUFF!Assorted HOT Deals!
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Go to FansFans
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TUBETUBETUBETUBETUBETUBE
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return home
Go to the Sphere FAQ Go to Sphere's FAQ Page
Tek 11302 System Tek 11302 System
All Kinds of Oscilloscopes....
Tektronix 2236 Tek 2236
Analog and Digital....
Philips PM3375 Philips PM3375
Tektronix, Hewlett Packard, Philips/Fluke Oscilloscopes
HP 1740A HP 1740A
go right to the catalog! Skip the INTRO, Go RIGHT to the CATALOG!

*These are all the scopes we have in stock from all vendors. They are organized by manufacturer. All are used, overhauled units, returned as closely as we can to factory new condition. We have original factory cal fixtures for the larger Tek frames.

* NAVIGATION: To make your life easier, and help you find exactly what you want, we have broken the on-line equipment catalogs into smaller sections. Just CLICK on the item you are looking for at the left, to see the matching catalog. Large graphical catalogs are a bit SLOW, so please give them a bit of time to load. The top header of each catalog is largely the same, so don't think you are stuck in one place!

You can order anything here just by picking up the phone, and calling (250) 769-1834 during normal office hours, 8:30AM to 4:30PM PST, or FAX to (250) 769-4106. OR, Email your order to Susan CLICKHERE.

*SHIPPING: Preferred and Alternate Methods as of 1/1/2011

*Preferred - Canadian ExpressPost which has guaranteed delivery time, is insured, and trackable on-line. We have an extraordinarily good success rate (better than 99.9%) with ExpressPost, so we highly recommend it, especially for one-of-a-kind items. It is cheaper than couriers, trackable, more reliable, fully insured and goes almost everywhere.

*USA destinations, shipping/handling minimum of $28.00 for any insured, trackable air shipment up to .5 kg/1 pound. (typical delivery within 5 business days).
*Canadian destinations are typically $12-18.00 (depending on location) with delivery within 2-3 business days.
* Europe, Australia, South America and other overseas areas via Canada Post International ExpressPost air mail insured service or Canada Post International Air Service where ExpressPost is not offered is $57.00 for parcels up to 500 grams/1 pound.

*Alternate - Regular Airmail. Virtually all of our shipment failures and delays have been because of this method, so it should be used with caution.

*USA Destinations are $12.00 for AirMail parcels up to 250 grams/.5 pound or $15.00 for parcels from 250 grams to 1 KG/2.2 pounds. This option offers no delivery guarantee or insurance so we can accept no liability for loss or damage.
*Canadian destinations are virtually identical to ExpressPost, so we do not offer this method within Canada, as it has no advantage to the customer.
*Europe, Australia, South America and other overseas areas via AirMail is $22.00 for parcels weighing up to 500 grams/1 pound. This service offers no guarantee, insurance or tracking and we can accept no liability for loss or damage. Transit times are unpredictable by this method, but service to Europe is generally very good, while service to South America is simply terrible.

*Alternate - Courier. This is usually the most expensive method, but can be the quickest.

*We can also ship FedEx or UPS when time or weight is critical, and overnight FedEx P1 shipping is available. Note that our pick-up cut-off time is noon PST for FedEx. We can use your account number, or bill to your credit card only. Our experience is that FedEx is the best solution for time critical shipments, UPS for heavy ones, but UPS has a higher damage rate.

* E-Mail Susan if you want a quote for shipping to other destinations, or for something heavy. Sorry, we can't safely send most individual small parts in a regular letter envelope, they get destroyed by the automated handling equipment. Sometimes we can ship very rugged parts in a small padded envelope by letter post. Ask Susan.

*There is a packing charge for large or heavy equipment, see the elsewhere in the FAQ for details.

*If we have your valid data on file, you can just click on the ORDER email link to place an order and indicate your approval to bill, and we will do the rest. We keep your active information for ONE YEAR for your convenience.

*If this is the first time you have dealt with us, you can phone +1 (250) 769-1834 or FAX +1 (250) 769-4106 to supply the billing info, or send it by the email link, as you prefer. We accept VISA/MC, international money order, Paypal (to Susan@Okanagan.net), and bank wire transfer. Please note that there are transaction fees with Paypal and wire transfer payments, the wire transfer fee is frankly horrifying.

We accept VISA/MC or international money order

* CONDITION: To answer your questions, YES, we completely check and inspect all used equipment, and do not offer any we feel is substandard. That gear is normally scrapped, broken down for parts, or may get offered as-is in the HOT DEALS section, with the unit's condition clearly identified. If there are any marks or detracting features, we clearly state them in the listing. Before shipment, we burn in the equipment for 24 hrs. again and re-check to be sure it is good prior to shipment.

* The CATALOG will appear below shortly!
Don't forget these illustrated sections take a few seconds to load, but they are worth the wait!


CATALOG: JUST SCROLL DOWN TO SEE EVERYTHING !down
E-mail us
Want something?
Just CLICK HERE to e-mail us!

We accept Visa/MC for fast order processing.
We have all kinds of scopes, from simple analog to complex digital oscilloscopes. We also have a limited quantity of probe kits to complete your scope system, EMAIL if you need something you don't see!




E-mail us Want something? Click here to e-mail us!
We accept Visa / MC for fast order processing.


Hewlett-PackardHewlett-Packard HP Oscilloscopes Hewlett-PackardHewlett-Packard
HP 1725A

CLICK for bigger PIC!
CLICK bigger PIC!

Horizontal Controls, CLICK for bigger PIC!
CLICK for bigger PIC!

HP 1725A 275Mhz Scope
Hewlett-Packard
Hewlett Packard HP 1725A Portable 275Mhz Oscilloscope
Horizontal Controls, CLICK for bigger PIC! Very Good condition scope, with dual/delaying timebases (can also operate in mixed sweep mode-Illustrated in the pics). Has many distinctive HP features, including the selectable 1Meg/50 ohm input impedance, flood gun screen grid illumination, and extensive mixed/alt sweep capability. Vertical 10mV/div sensitivity, and selectable 20Mhz lowered bandwidth. Excellent real time vertical response beyond 300Mhz.

A great high performance portable or bench scope. Good looking cosmetics and crisp focus, high brightness CRT with flood gun graticule illumination. FULL HP Data HERE in PDF form. Very hard model to find, the wide bandwidth is outstanding for RF and high speed logic work.

Fully cal'd and cleaned, ready to use. We have full bandwidth 10X probe kits available for $95 each.

Have 2, $695 + optional probes and freight
Add a pair of NEW P6100 1X/10X 100Mhz probes for $69
CLICKCLICK HERE to E-Mail us an order!

E-mail us Want something? Click here to e-mail us!
We accept Visa / MC for fast order processing.




PhilipsPhilips PHILIPS/FLUKE SCOPES PhilipsPhilips
Philips
Fluke

CLICK HERE to order a Philips/Fluke Scope!


PM3055-CLICK for bigger PIC!
PM3055, Click for bigger PIC!


Philips/Fluke Analog/+LCD display and Analog/Digital
CombiScopes with
AutoSet



PM3365A, CLICK for bigger PIC!
PM3365A, CLICK for bigger PIC!

This series of late production scopes from Philips/Fluke are all based on the same core technology and control layout. Analog scopes have a secondary LCD display to show all control settings, and level/speed are selected with slew switches. The Auto-set switch gives one touch set up of all functions from triggering to level and sweep, an incredible time saver for many people. All scopes in this family include full TV triggering, as well as all regular internal/external modes, and scopes can have 1 or 2 full timebases to permit delayed, mixed and alternate timebase operation, a real help with waveforms that have both fast and slow characteristics.

The famous COMBISCOPES have full function analog AND digital operation, giving the best possible presentation for each application, and still featuring Auto-Set.
Available Models from Stock:
Philips
Philips Late Production Analog + LCD Data Display Scopes with AutoSet
PM3055 Auto-Set 2 channel 50Mhz Analog Scope (LCD Data Display), Dual Timebase, XY, Brown colors.
$595, Have 1
PM3057 Auto-Set 2 channel 50Mhz Analog Scope (LCD Data Display), Dual Timebase, XY, Rackmounted, Gray colors.
$649, have 2
PM3070 Auto-Set 2 channel 100Mhz Analog Scope (LCD Data Display), Dual Timebase, XY, Brown colors.
$695, have 2, 1 cover
PM3072 Auto-Set 2 channel 100Mhz Analog Scope (LCD Data Display), Single Timebase, XY, Rackmount, Brown colors.
$695, have 1


Philips
Philips Late Production Analog/Digital
CombiScopes with
AutoSet

PM3365 2 channel 100Mhz 100Ms/s Combiscope (LCD data display), with Auto-set, Gray colors.
$995, SORRY, SOLD

PM3382 Autoranging 4 channel 100Mhz 200Ms/s Combiscope (onscreen data display), Gray colors, includes cover.
$1,295, have 1

PM3390A Autoranging 2 channel 200Mhz 100Ms/s Combiscope (onscreen data display), XY, includes cover and pouch, Gray colors.
$1,495, have 1
Philips scopes use a different 10x probe detection sceme than Tek scopes, and only the original Philips probes are correctly detected for the on screen and LCD displays. Any probe that can be compensated correctly will work, but display data will be as if the scope had 1X probes connected. We have a small quantity of the original Philips/Fluke probes sets available with a scope purchase ONLY, see data below.
Add genuine Philips 100Mhz 10X indicating probe kits (NEW!) to any Philips scope for $90 each. Available with scope purchase only.
Philips PM9020-092 Kits, CLICK for bigger PIC!
Philips PM9020-092 Kits, CLICK for bigger PIC!




Tek Portable Scopes
In Order by Model Number
TektronixTektronixTektronixTektronixTektronix
Tektronix
Tektronix 465M Modules

CLICK for bigger PIC!
CLICK for bigger PIC!
CLICK for bigger PIC! Tektronix 465M 100MHz Portable Oscilloscope Modules
Have fully overhauled vertical and horizontal plug in assemblies (as shown), tested and cal'd. Very good cosmetics.


$125 each module. Have 2 sets
CLICKCLICK HERE to E-Mail us an order!
Tektronix
Tektronix 2235

Tek 2235, CLICK for bigger PIC!
CLICK for bigger PIC!

Tek 2235, CLICK for bigger PIC!
CLICK for bigger PIC!
Tektronix 2235
100MHz Portable Oscilloscope

Dual trace scope with full X/Y capability and flexible vertical modes. Supports alternate A/B sweep with delay, see a generic example HERE. Vertical sensitivity down to 2mV/division, plus has channel inversion and bandwidth limiting. Has TV line and field triggering. This is the successor to the 465/B from Tektronix, and is a big improvement in terms of weight (1/3 the weight of a 465!) and eay to carry, plus dual sweep capability. A great scope to operate. Silent, no Fan.

Exceptionally nice condition inside and out.

Late, production, fully inspected, cleaned, overhauled and cal'd, plus additional 24 Hr. burn in and re-test before shipment. Lots of CRT intensity reserve, for long service life. Has low inrush, slow start switching power supply. Add a pair of NEW P6100 1X/10X 100Mhz probes for $69.

BONUS: Includes full factory manuals and Tek cross-ref on CD!


Just 1, $549 plus optional probes and shipping.
CLICKCLICK HERE to E-Mail us an order!
Tektronix
Tektronix 2235/AN/USM-488

Tek 2235, CLICK for bigger PIC!
CLICK for bigger PIC!

Tek 2235, CLICK for bigger PIC!
CLICK for bigger PIC!
Tektronix 2235/AN/USM-488
100MHz Portable Oscilloscope

Dual trace scope with full X/Y capability and flexible vertical modes. Supports alternate A/B sweep with delay, see a generic example HERE. Vertical sensitivity down to 2mV/division, plus has channel inversion and bandwidth limiting. Has TV line and field triggering. This is the successor to the 465/B from Tektronix, and is a big improvement in terms of weight (1/3 the weight of a 465!) and eay to carry, plus dual sweep capability. A great scope to operate. Silent, no Fan.This version has the mil gray mesh EMI shield, not the blue one, plus has an additional ch1/2 trig select switch, improved RFI emission control, otherwise the same as a generic 2235.

Exceptionally nice condition inside and out.

Late, production, fully inspected, cleaned, overhauled and cal'd, plus additional 24 Hr. burn in and re-test before shipment. Lots of CRT intensity reserve, for long service life. Has low inrush, slow start switching power supply. Add a pair of NEW P6100 1X/10X 100Mhz probes for $69.

BONUS: Includes full factory manuals and Tek cross-ref on CD!


Just 1, $549 plus optional probes and shipping.
CLICKCLICK HERE to E-Mail us an order!
Tektronix
Tektronix 2236

Tek 2236, CLICK for bigger PIC!
CLICK for bigger PIC!

2236 Controls, CLICK for a bigger PIC!
CLICK for bigger PIC!
Tektronix 2236 100MHz Portable Oscilloscope w/DMM/Counter
Dual trace scope with full X/Y capability and flexible vertical modes. Also has digital display for DMM and counter functions, works via CH1 input and side connections, very useful! Supports alternate A/B sweep with delay, see HERE. Vertical sensitivity down to 2mV/division, plus has channel inversion and bandwidth limiting. Has TV line and field triggering.

Exceptionally nice condition inside and out, has side connections for DMM (on VFD display).

Late, production, fully inspected, cleaned, overhauled and cal'd, plus additional 24 Hr. burn in and re-test before shipment. Has low inrush, slow start switching power supply. Third party 1X/10X 100 Mhz probe kits available with scope (only) for US$59 each, very nice quality.

US$695. SORRY, SOLD......100Mhz! Counter/DMM/Scope
CLICKCLICK HERE to E-Mail us an order!
SALE!
We have 3!
Tektronix
Tektronix 2246

Tek 2245, CLICK for bigger PIC!
CLICK for bigger PIC!

CLICKCLICK for CONTROLS!
Tektronix 2246 100MHz 4-Trace Portable Oscilloscope
Cursor/digital display four trace analog scope with full X/Y capability and flexible vertical modes. Uses INDICATING probes to adjust scale factor readout.Extensive cursor displays, with on-screen voltage and frequency/time displays (versatile soft-key selections for every mode). Silent, no Fan. Has 2 secondary inputs with limited attenuation range for 4-trace capability. Fully overhauled and calibrated, very nice condition. Includes COVER and TOP POUCH, PLUS sortform USER's GUIDE. Excellent condition CRTs. Highly requested model, these are hard to find in good condition, and correctly calibrated. Add a pair of NEW P6100 1X/10X 100Mhz NON-INDICATING probes for $69. E-MAIL for availability of Original Tek Indicating 10X probes.

BONUS: Includes full factory manuals and Tek cross-ref on CD!


Have 3, $895 plus optional probes and shipping.
CLICKCLICK HERE to E-Mail us an order!
SALE!
Just have 1!
Tektronix
Tektronix 11302/11A32


Tek 11302/11A32 system, CLICK for bigger PIC!
CLICK for bigger PIC!

Tek 11302, CLICK for bigger PIC!
CLICK for bigger PIC!
Tektronix 11302/11A32
500MHz Oscilloscope

11A32, CLICK for bigger PIC!This is one of Tek's finest analog scopes ever made (an enhanced auto-cal'ing 2467B), with high speed micro-channel plate CRT, extensive auto-cal features, and 3 slot mainframe. An 11A32 (400Mhz) dusl trace plug in is included, plus 2 slot blanking panels. This has integral counter/timer features, and extensive on screen data display. Can support up to 8 traces (with dual 11A34), note that the far right slot is only for the special trigger processor plug in, and the center and left are active vertical slots. Everything has been fully checked and cal'd, the CRT is excellent, plus we provide an extensive Tek 11K library of manuals and app notes on CD. DVD user tutorials are also available on request. This system checked out to 500Mhz, beyond the plug in spec. This is a high precision lab grade scope, not for the faint of heart, with touch screen controls, and very deep functionality. This is now my main scope in R+D, but be aware it has a steep learning curve, and is HEAVY to ship! Add a genuine, fully tested Tek P6134C 350Mhz 10x probe for $195.

BONUS: Includes full operating manual, and limited factory service docs, manuals and Tek cross-ref on CD!


Just 1, $995 plus optional probes and shipping.
CLICKCLICK HERE to E-Mail us an order!



E-mail us Want something? Click here to e-mail us!
We accept Visa / MC for fast order processing.

Tek Plug-in Based Laboratory Scopes
Grouped by Family Type

TektronixTektronixTektronixTektronixTektronix

Need high end configurable Lab performance?

Tektronix
Tektronix 5000/7000/11000 Series
Mainframes and Plug-ins
Tek 7000 series plug ins
We have most popular 5000, 7000 and 11000 series plug-ins in stock, fully overhauled and calibrated with factory fixtures. Mainframe selection varies, so email for availability. Please note, our 5000 and 7000 series inventory is now limited, and support is becoming increasingly limited.



11000 Series Tek Plug-in Based Laboratory Scopes + Plug-ins
TektronixTektronixTektronixTektronixTektronix

Tektronix
11K Systems
Tek 11302 System, CLICK for bigger PIC!
Tek 11302 System, CLICK for bigger PIC!
11K Series Oscilloscope Systems
Sphere can now provide both Analog and Digital 11K systems, including 1130X and 1140X Frames and plug-ins to beyond 1GHz. These system have high precision displays, built in counter/timer systems with on screen display, and auto-set capability with GPIB interfaces. Outstanding scopes, these were usually too costly ($15-30K) for any but the highest end applications, but now that some have finally appeared in significant numbers on the used market, it is possible to put together affordable 11K systems with outstanding capability. Please note, it is no longer possible to service some of the digitizing portions of these systems, so all 11K systems are provided as-is, known functional and cal'd, but with no guarantee of ongoing hardware support if digitizer board failures occur. Even with these limitations, the 11K systems provide performance available in few other oscilloscopes. EMAIL for a specific system quote.
Frames: 11301, 11302, 11302A, 11402
Plug-ins: 11A32, 11A33, 11A34, 11A52, 11A72


E-mail us Want something? Click here to e-mail us!
We accept Visa / MC for fast order processing.


7000 Series Tek Plug-in Based Laboratory Scopes + Plug-ins
TektronixTektronixTektronixTektronixTektronix

7000 Series Mainframes
Conventional Frames:
*R/7603 (large screen 3 slot 100Mhz)$595 up

*7704A Late 200Mhz!)
$695



Storage Frames:
* R7633 (3-Slot, 100Mhz fast write rackmount)
$395


Tek no longer offers real time high speed analog scopes, so get one of these beauties before they are all snapped up! We can configure these any way you want them, but not all models shown always in stock.
7000 Series Plug-ins
Until these are sold, we have a few 7000 series frame and plug-ins still available at excellent prices.
A few Plug-ins left
IN STOCK, E-Mail for current pricing and availability, when these are GONE, that's it, no more 7K items or support.


Vertical Amplifiers:
7A19 500Mhz, 50 ohm
7A22 Differential
7A24 Dual 400Mhz, 50 ohm
7A26 Dual 225MHZ/5mV

Horizontal Timebases:
7B53A Dual TB
7B70
7B71
7B80
7B85
7B92A

Digital Functions:
7D12
7D13
7D14
Important, all plugs-ins over 225Mhz are 50 ohm inputs ONLY!
7000 Series Systems
CLICK for bigger PIC! Custom 7904A package...
7904A System


7603-package
7603
E-mail us Want something? Click here to e-mail us!
We accept Visa / MC for fast order processing.

E-mail us Want something? Click here to e-mail us!
We accept Visa / MC for fast order processing.


TM500/TM5000 Modules and Systems
TektronixTektronixTektronixTektronixTektronix

TektronixTM500 Mainframes and Plug-ins
TM515 system
TM515 travel Frames, CLICK for bigger PIC!We can assemble any kind of test station you want using Tek TM500/5000 series units. Just email with your requirements, as we have MANY TM500/5000 unit in stock, too many to list on line as they change constantly. We normally stock FG series function generators, DC series Counters, DM series digital multimeters, PS series power supplies, SC series oscilloscopes, PG series pulse generators, and SG series oscillators/signal generators. We can also track down any special requirements you may have. We have all kinds of TM515 Travel Frame TM500 systems, with scopes, generators, power supplies and more available. Let us know what you need! We also have stand alone and rack mounted frames in 1, 3, 4, 5 and 6 slot widths.
Tektronix
FG503 Function Generators
FG502 Function Generators, CLICK for bigger PIC!We have lots of fully overhauled FG503 3MHz function generators in stock, since,square and triangle waveforms with selectable DC offset. Also have Trig Output signal and VCF input for sweeping. $195 for old colors, $235 for new colors, while stock lasts.
Normally in stock:

DM501, DM502, FG501, FG503, DC504A, DC509, SG501, PS503, PS503A, PG501
TektronixTM500 Mainframes and Scope Plug-ins
TM515 frame with dual scopes
SC500 series scopes are a miracle of mechanical packaging, offering the performance of Tek's best portables in tiny TM500 series modules. They make it possible to configure a very compact free-standing lab set up without the need for an additonal scope. Note, calibration of these scopes requires use of special TM500 cable extenders, and is not always simple to do in the field. There is also a single width single trace SC501, for low frequency monitor use, but we do not normally stock that unit.
SC502/3/4 Oscilloscopes
TM500 Plug-in Scopes can provide up to 80Mhz of bandwidth, dual channel (SC504), with most usuable beyond 100Mhz. They have the same capabilities as full blown Tek scopes, including full external triggering and XY operation, all in a tiny package. There are 3 double width scopes:

SC502, 15Mhz, Dual Trace, 1mV/div.
$425


SC503, 10Mhz, Dual Trace Storage, 1mV/div.
$495


SC504, 80Mhz, Dual Trace, 5mV/div.
$895


There is also a single width single trace SC501, for low frequency monitor use.
Tektronix
Tektronix TM515 Lab in a Box

TM515 Lab, CLICK for bigger PIC!
CLICK for bigger PIC!


SC502 Scope, CLICK for bigger PIC!
CLICK for bigger PIC!

Tektronix TM515 Portable equipment rack complete with SC502 Oscilloscope

SC502 Dual trace scope with triggered timebase plus 10X sweep magnifier, front probe calibrator, all in great condition!

The rear of TM515 unit has the power switch, line voltage setting jumpers, and line cord storage (inside fan cowling), CLICK HERE to see.

The lab includes:
PS503A Power Supply, with dual 0-20V adjustable supplies and 5V logic supply.
DM501A 4 1/2 digt DMM.
FG502 Sine/Square/Triangle/Pulse Function Generator.
A complete tool kit of essential gear in one compact unit, easily packed for travel, or used on a bench. We get few full TM500 sets to offer, don't miss this one, all items fully checked, cleaned and calibrated. No ratty looking items, all are in very good condition. YES, we will throw in some patch cables. The pic shows an early DM501 unit, all our systems now have Late DM501A versions with the much better looking panel.

Add a pair of NEW P6100 1X/10X 100Mhz NON-INDICATING probes for $69.
BONUS: Includes full factory manuals and Tek cross-ref on CD!

Just 1, $796 plus optional probes and shipping.
CLICKCLICK HERE to E-Mail us an order!
$795 and up, we can configure many kinds of portable labs for you! $849 with DM501A/FG502/SC502/PI702. Sorry, we are currently OUT OF travel covers for this package.


10, 15, or 80Mhz Scopes available
Triple Power Supply
Function Generator
DMM
Pulse Generator

Status:Call for availability!
Want to order something
or need to ask us a question?
E-mail usWe are approved merchants, and can take Visa/MC directly, by fax, phone or email, as you prefer.
We accept VISA/MC or international money order

IMPORTANT !
Graphical logos and trademarks are the property of their respective owners, including Tektronix, Fluke, RCA, TI, GE, General Radio and Hewlett Packard, and are used here merely to unambiguously identify the products. Sphere Research IS NOT a factory authorized distributor for any of the product lines indicated.
Return to Sphere's Test Equipment Home Page Return to Sphere's Test Equipment Home Page
E-mail us Want something? Click here to e-mail us!
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