Test Equipment the Webmaster currently has for Sale

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Test Equipment and Service Related Gear

Avo Mk II VCM (Valve Characteristic Meter). Resonable cosmetic condition and perfect electrical condition, calibration compares well against my 163. EA50 valve replaced with silicon diode for faster turn on and stability. protection working as should as are all functions., with data manual and op instructions etc.

Check more photos here

$740

Marconi TF1020A RF Power Meter
Nice condition, direct reading absorption (includes dummy load) 75ohm, 0-50W, 0-100W FSD, DC-250MHz,. Not tested lately but worked accurately before storage, can be easily calibrated, however sold as-is

$40
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SANWA Signal Generator but still built like a tank and still working excellently. Nice addition to any workbench. average to tidy condition. as-is

$80
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Mixed Test Gear, ideal for the electronics starter, tinkerer or cash stretched pro alike. All work great but some need DC power supplies or batteries, and missing test leads, all Quite tidy but used, small crack in kamoden multimeter, cracked meter front on power supply (pull it off, or replace, its a standard meter size) includes:-

Elenco Precision bread board and connectors.
ETI 162 0-30V A 1A regulated power supply, dick smith fet.transistor tester, Sabtronics 2010A basic electronic multimeter, Black Star Meteror 100 frequency counter, (5hz-1Ghz), Goodwill GW-417 ac millivoltmeter and kamoden 360 TRCX with capacitor and transistor checker.

$120
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Taylor 171A Electronic VOM + R/F Tester
Taylor 45C Valve Tester!
Taylor 191A Wide Range A/F oscillator
Taylor 68A/M Signal Generator
Taylor 94B TV Waveform & alignment tester inc AM/FM sound

Taylor 5pc Tech Suite, Wkg, incl 45C Valve Tester

Once in a lifetime opportunity to equip yourself with a reliable English made valve test gear lineup, Taylor, now sought after for reliability. Case in point ALL these instruments still work with acceptable tolerances. This would have been a one stop, top tier serviceman's lineup in UK, let alone here.

The 45C is the gem here of course but would like to see them kept together as I've had them a long time. My trusty 45C comes with manual and tube supplement, and like its siblings continue to work flawlessly and look cooler than shit doing it!. Have 45C(orig), 171A pdf) manuals, rest should be avail on the net, but hardly necessary. Google models for more info.

All items are working but could do with a lube, deoxit, calib etc. and supply cabling checked.

$599
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Precision 920 Valve Tester

The 'Electronamic' Precision 920 was a USA made (230v export) rugged portable electronic valve (tube), and 'set' tester. I've dug it out and made a few checks like heater voltages etc then tested a 6V6 and all appears to be operating normally including the power indicator and neon short bulb.

It has 8 diff sockets that will test 4,5,6,7,8 pin valves, plus theres an adaptor for the later 9 pin. Of little use today it also sports has a volt/ohm meter. The oak cabinet has some old borer holes and could do with a refinish otherwise in good health cosmetically and electrically but the mains cable should be replaced.

This is an emissions tester rather than a true mutual conductance instrument but can still be used for matching by using the VOM calibrations on the meter. Complete with a few homebrew adaptors, and several oem data books and an 80 odd page compilation of net sourced valve data supplements. Yep, the original tube data roller is still working just fine - This beauty has been well cared for during most of its life.

$225
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Taylor 47A Valve Tester

Heres a beaut, its even got backlighting on the meter!. It works, just tested a 6L6 out and reads as it should, HOWEVER the filament select switch is dodgy and will need some work or a replacement, it is possible to put incorrect heater voltages on the test subject so be careful!. I've checked the transformer, all windings correct voltage, its the worn wafer switch and its connections at fault. You could replace it with a three way switch with just the 5, 6.3 and 12.6v lines tied to it.

The Taylor range (english) is well sought after and this one is compatible with all the 45 series data. It does not have B9A socket but an adaptor could be easily made or one of the extra octal sockets replaced. This is a true mutual conductance (gm) direct reading meter and relies on the balanced bridge principle. Easy to operate, select parameters from supplied manual, select ma/v mode, then use 'A' knob to set to 'X' mark then 'B' knob to set to the zero line. Just push meter button to read gm, easy. Sold as-is because of filament switch. Also VOM capabilities but I haven't checked those. Experts only please.
400mmx300mmx110mm

$200

Singer CSM-1 What am I?, born mid seventies I'm a 50k to 512Mhz signal generator, frequency counter (beat), modulation meter, audio scope, sweep generator and spectrum monitor (receiver) and a tone generator and a.f oscilloscope and too much to mention here so go View contents of the manual and it should give you the answers and specs you need. I bought it fault a couple of years ago and repaired the signal generator to work HF again, its good and rock stable. Everything else seems to works as per the manual except the receiver is pretty sensitive and likely a fault in the broadband amp but I never addressed it again as I didn't need that facility then. Ideal for 2m work as well as h.f. supplied with original users handbook, huge service manual and 3 npn and 3 pnp spare VHF trannies for spares. more photos here

$225
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8842A Commercial desktop high accuracy DC/Ohms multimeter.

General Specifications
Increased resolution with 20mV, 200mA and 20 ohm ranges

Ohms, 2 wire and 4 wire, and dc volts and current standard -
optional ac voltage (true rms) and current.

Full system capability with optional GPIB/IEEE-488 interface

Up to 100 readings/second system speed, slow medium and fast sampling

Closed-case calibration - comprehensive self-test

Size: H 89, W 216, D 371 mm
Weight: 3.4 kg

Installed Options
05: GPIB/IEEE-488 interface

$300
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Frequency Range Channel A: DC to 100MHz

Frequency Range Channel B: DC to 160MHz

Frequency Range Channel C: 40MHz to 1.3GHz

Counter Timer Period Range: 6.25ns to 1700s

Time Interval Range: 2ns to 8x10e-5s

Input Sensitivity: 10mV

Timebase Accuracy: 2x10e-6/yr

H x W x D: 11 x 25 x 36 7KG

Racal Dana 1992. DC-1.3GH (and above!) IEEE 488 hi res professional freq/period counter. very nice condition. Has options o4e (oven hi-stability frequenxy standard) and 02M, and 055 GPIB. The 1992 Universal Counter is a great little counter with BIG features! It provides Frequency, Period, Time Interval, Ratio, Totalize, Phase, and Peak Amplitude measurements…plus more. Ch A’s sensitivity is 25 mV rms to 100MHz and 50 mV rms to 160MHz. Ch B: Same sensitivity as Ch A except that the frequency range is 10Hz to 100MHz. Ch C’s sensitivity is less than 15 mV rms from 40MHz to 1GHz and less than 75 mV up through 1.3GHz (and beyond)

more photos/specs here

$450
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Racal Airmec 409 AM /FM modulation meter.
3 - 1200 (FM 1500) MHz range.

not much known about this piece other than its quality valve gear, there's r.f in, osc, in, there's a 1 MHz i.f out and demodulated a.f out, bout all I know other than it's a fine instrument but I never needed to use it so out it goes. Excellent physical condition with manual, not tested but seems to function fine.

$100
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Leader LSG-11 Signal Generator. A classic that has spent much of its life in its original box with original manual both of which are supplied. It is in near mint operational condition but for a 2 cm fine scratch which you can just see in the photo.
It covers the RF range 120KHz to 390MHz in 6 switched ranges - it also has 2 AF outputs at 400Hz and 1KHz and crystal controlled 1-15MC Osc.. The unit will also receive up to 4v AF input for external modulation (a handy way of transmitting over a few feet to test radios!). Large easy to read dial, smooth tuning, marked with spot feqs, 455kc, 4.5MC and 10.7MC.
The LSG-11 is a versatile and handy wide band signal generator designed for the radio experimenter, hobbyist or service technician

$100
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Leader Digital LCD DMM/Scope Model 300 is a portable 30 MS/s sampling (15MS/s/channel) dual channel oscilloscope, an 8ch logic analyser (with optional probe), a data logger, a frequency counter and large digit DMM (digital multimeter). Includes multimode when DMM and Scope and freq counter can be combined together onscreen. The best feature apart from portability is a one button Auto setting button that uses optimum timebase, sync and ch settings for each measured signal.

Complete with memory expansion card for saving waveforms and data logging output, probe (x10), meter leads, full manual and leatherette carry case all in excellent condition.
Specs - Scope - dual channel, 400v max input, 5mV-20v/div vertical, 0.1uS-20S/div horizontal, Ch1, Ch2, Dual, Add, Sub X-Y modes. Multimeter - DC or AC Volts (max 1000v), DC / AC current, resistance, continuity , diode check. Large display. Overall dimensions - 240(w) x 44(h) x 165(d)mm. Weight 1.2kg's (unit only) LCD display 113 x 60 mm

$415
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