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Hewlett Packard 8903A Audio Analyzer
- Complete audio measurement system
- Covers 20 Hz to 100 KHz
- Very low distortion signal source
- True RMS levels on all measurements
- Balanced and unbalanced inputs and outputs
- Delivered fully calibrated with report
- 6 month unconditional warranty
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$1095 |

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Tektronix TDS540D Digital Oscilloscope
- 500 MHz bandwidth, 700 ps risetime
- 2 GSa/s 2 channels, 1 GSa/s 4 channels
- 4 channels 1mV/div to 10V/div
- 50,000 samples/channel memory expansion
- DPO Display Density of up to 100M points/sec
- 8 Bits vertical resolution, 11 bits with averaging, 13 bits with Hi-res
- 29 Automatic measurements
- 1% Vertical accuracy
- Timebase 500 ps/div to 10 s/div
- GPIB, RS232, VGA, and Centronics ports
- Calibrated with 6 month warranty
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$2200 |

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Hewlett Packard 54520A Digital Oscilloscope
- 500 MHz bandwidth, 700 ps risetime
- 1GS/sec maximum sample rate
- 32K storage per channel
- 2 channels 1mV/div to 5V/div
- Numerous measurement modes
- Timebase 500 ps/div to 5 s/div
- Horizontal pan and zoom
- FFT option fitted
- 3.5 inch drive fitted
- Calibrated with 6 month warranty
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$1100
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Tektronix 2440 Oscilloscope
- 300 MHz bandwidth & 2 channels
- 500 MS/s sample rate on both channels simultaneously
- 1 Meg/50 ohm inputs
- Auto setup and multiple measurement modes
- Cursor measurement functions
- Calibrated with 6 month warranty
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$695 |
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Hewlett Packard 54503A Digital Oscilloscope
- 500 MHz bandwidth, 700 ps risetime
- 4 identical channels 1mV/div to 5V/div
- Numerous measurement modes
- Timebase 200 ps/div to 5 s/div
- Dual timebase window
- Calibrated with 6 month warranty
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$995
SOLD
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HP 34401A Multimeter
6.5 digit high performance digital multimeter
- DC accuracy 0.0035% (1 year)
- 100mVAC - 750VAC true RMS
- 3Hz - 300KHz frequency measurement
- Continuity and diode test
- Front and rear measurement terminals
- Built-in math operations
- Bright fluorescent display
- Refurbished and calibrated
- 6 month warranty
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$550
SOLD
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Tektronix 2213 Oscilloscope
- 60 MHz bandwidth
- 2mV -10V/div vertical sensitivity
- Dual trace with delay
- Refurbished and fully calibrated
- 6 months warranty
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$390
SOLD
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Tektronix 2465BDV Oscilloscope
The last and probably best analog oscilloscope from Tektronix.
- 400 MHz bandwidth & 4 channels
- Hi-resolution counter option fitted
- Word recogniser option.
- Full-function DMM built in.
- Numerous automatic measurement functions built in.
- Near mint condition.
- Fully calibrated with 6 month warranty
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$1600
SOLD
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Frequency Counter Kit
- 50MHz, 8 digit counter
- 2 resolution modes
- 0.1Hz max resolution
- Battery and mains operated.
Available as complete kit or fully assembled, tested, and calibrated with guarantee.
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KIT
$50
SOLD
Fully assembled, ready to use
$120
SOLD
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Tektronix 2465A CT 350MHz 4 Channel Oscilloscope - 2
channels 2mV/div to 5V/div
- 2 channels 0.5V/div and 0.1V/div
- Horizontal 5 sec/div to 500ps/div sweep speeds
-
Counter, Timer, Word Recognizer fitted
- GPIB option fitted
- Cursors to measure
voltage, period, delay, and frequency.
- User setup save/restore
- Supplied with User Manual on CD
- Fully
refurbished, calibrated and with 6 months full warranty
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$1190
SOLD
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Tektronix 2232
Digital Storage and Analog Oscilloscope
100MHz analog and digital oscilloscope in one compact unit.
- 2
channels 2mV/div to 5V/div
- 100MS/s simultaneously on both
channels
- Horizontal 5 sec/div to 5ns/div sweep speeds
-
4K sample
buffer
- Peak, Average, Envelope modes
- Cursors to measure
voltage, period, delay, and frequency.
- Waveform
save/restore
- Supplied with User Manual on CD
- Fully
refurbished, calibrated and with 6 months full warranty
- 2 new 100MHz X1,X10 probes available for $45 extra
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SOLD
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HP 34401A Multimeter
6.5 digit high performance digital multimeter
- DC accuracy 0.0035% (1 year)
- 100mVAC - 750VAC true RMS
- 3Hz - 300KHz frequency measurement
- Continuity and diode test
- Front and rear measurement terminals
- Built-in math operations
- Bright fluorescent display
- Refurbished and calibrated
- 6 month warranty
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SOLD
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HP 3478A Multimeter
High accuracy true RMS bench meter
- 5.5 digit resolution
- True RMS AC measurement
- 4 Wire ohms
- Front and rear terminals
- 0.006% DC accuracy (1 year)
- Refurbished and calibrated
- 6 month warranty
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$525
SOLD
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Tektronix 2246 Mod A 100MHz
4 Channel Oscilloscope
- 4 Input channels
- 2mV to 5V per division vertical for channels 1, 2
- 0.5V and 0.1V for channels 3, 4
- On-screen parameter display
- Smart cursors for measuring voltage, frequency, and time
- Refurbished and calibrated
- 6 month full warranty
- Late model, very good condition
- Supplied with Service Manual on CD
- 2 new 100MHz X1,X10 probes for $45 extra
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SOLD
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Heathkit IG-18 very Low Distortion Audio Generator
Refurbished and modified to reduce distortion, and noise, and increase frequency accuracy, meter accuracy and output level.
- Sine and Square wave output
- 0.1Hz to 111KHz range
- Sine output level -0.5dB+0.2dB (10Hz-100KHz)
- Sine distortion <0.006% (1KHz)
- Meter accuracy +-1%
- Calibrated with 6 months full warranty
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$325
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Heathkit IT-1121 Curve Tracer
- Measure bipolar transistors, FET, diodes, SCR, Triac, UJT devices
- Dual inputs for matching/comparisons
- 2 Sweep ranges, 0-40V and 0-220V
- Current steps from 2uA to 10mA/step
- Voltage steps from 0.05V/step to 1V/step
- Adjustable horizontal and vertical outputs
- Refurbished and calibrated
- 6 months full warranty
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SOLD
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Tektronix PS281 Power Supply
- 0-30V output
- 0-3 Amps
- Constant voltage mode
- Constant current mode
- Fine and coarse adjustment controls
- 3.5 digit display
- Can be slaved to other power supplies
- Very compact unit but with generous heatsinking and large transformer
- Refurbished with 6 months warranty
- Excellent cosmetic condition
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$320
SOLD
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BWD 272 Power Supply
- 0 - 50 VDC and 0 - 2 Amps
- CV and CC modes
- Convenient current set button
- Remote sense inputs
- Refurbished with 6 months warranty
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$195
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Dual Output Power Supply
- 2 x 30V 3 Amp regulated supplies
- Independant or tracking modes
- Constant voltage and constant current
- 0 - 60V at 3 Amps or
- 0 - 30 V at 3 Amps
- Refurbished with 6 month warranty
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$295
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Tektronix 2445 150MHz Oscilloscope
- 4 input channels
- 2mV to 5V per division
- On-screen display of vertical, horizontal and trigger levels
- Smart cursors for measuring voltage, period, frequency, and time.
- 1Meg and 50 ohm inputs
- Calibrated and refurbished
- 6 month warranty
- Supplied with operating and service manuals on CD
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SOLD
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Tektronix 2236 100MHz Oscilloscope
with Frequency Counter
and DMM
- 2 channels
with 100MHz bandwidth
- 2mV to
5V/div vertical
- 0.5s/div
to 2ns/div sweep
- Dual timebase
with delay
- Built-in
frequency counter
- Built-in
DMM measures DC volts, AC RMS volts, ohms, diode check, temp.
- Supplied
with service manual on CD
- Refurbished with 6 months full warranty
Product
Images
Specs
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SOLD
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Tektronix TDS520 Digital Oscilloscope
- 500MHz bandwidth
- 500MS/s max sampling rate
- 1mV to 10V/division vertical sensitivity
- 500ps/div to 10s/div horizontal
- Numerous automatic and snapshot measurements
- 500 to 15000 point digitizer
- Refurbished and calibrated
- 6 months warranty
- Operator and service manuals on CD
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AVAILABLE SOON
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Tektronix 2246 1Y 100MHz Oscilloscope
4 channels
-
2 main 2mV/div to 5V/div
2 auxiliary 0.1V/div and
0.5V/div
-
0.5s/div to 500ps/div sweep
speeds
-
Dual timebase with delay
On screen display of
horizontal and vertical settings
Smart cursors to measure
voltage, time, and frequency
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Fully refurbished and in
immaculate condition
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Calibrated with 6 month warranty
Product
Images
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SOLD
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Tektronix 2465 300MHz Oscilloscope
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4 Channels,
2 main 2mV/div to 5V/div
2 auxiliary 0.1V/div and
0.5V/div
0.5s/div to 500ps/div sweep
Dual sweep with delay
On-screen display of horizontal
and vertical settings
Smart cursors to measure
voltage, time and frequency
Compact unit with very quiet
fan
Accessory pouch, user manual on
CD and power cord
Refurbished, calibrated with warranty
Product
photo's
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MORE AVAILABLE SOON
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Tektronix 2213A
60MHz 2 Channel
Oscilloscope
Better than
80MHz bandwidth with excellent pulse response.
2mV to 5V / div
vertical
Calibrated sweep with delay
XY mode.
Lightweight
and very portable.
Supplied with new power cord and
original service manual
Refurbished, in immaculate
condition
Calibrated with Warranty
2 new X1 and X10 100MHz
probes supplied for $39
Specifications
Images
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SOLD
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Heathkit IT121 Transistor / FET Tester
Test semiconductors in-circuit or out-of-circuit Test bipolar transistors, diodes, FET's, SCR's, triacs, UJT's Large meter displays transconductance and leakage directly Measures DC beta from 1 to 5000 at collector currents from 1mA to 1A.
Gm 0 to 50000umhos
Iceo, Icbes, Icbo, Idss, Igss
Supplied with User Manual on CD and 2 new D cells Fully
refurbished and calibrated with warranty
Product
Photo's
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SOLD
More available soon
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HP 5385A Frequency Counter
10Hz - 100MHz and 90MHz
- 1000MHz inputs 9 digits per second resolution Oven
oscillator option 004 fitted Extremely stable output Drift
<0.002ppm over 14 days Dual-slope eliminates +-1 count
error Fused 50 ohm input on channel B Manual and Automatic
trigger Variable attenuator HP-IB output
Calibrated
with Warranty
Product
Photo's
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SOLD
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HP 5334B Universal Frequency Counter 1.3GHz
2 matched channels 10Hz -
100MHz
C channel measures to 1300MHz
Measures frequency, period,
amplitude, rise/fall time, pulse width, delay, totalize and many
other.
Variable gate time.
Math functions.
HP-IB output
Supplied with power cord and
manual on CD
Calibrated with warranty.
Product
Photo's
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SOLD
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HP 3400A Wideband RMS Voltmeter
- 10Hz to greater than 10MHz Range
- 1mV - 300V full scale ranges
- 10 : 1 Crest factor
- DC output
- 6 months warranty
- Excellent condition, refurbished and calibrated
- Supplied with new power cord, and manual on CD
Images
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$310
SOLD
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Tektronix 2235A 2 Channel 100MHz
2mV
- 5V / div vertical 0.5s - 5ns /div sweep speeds Dual
timebase with calibrated delay New
power cord and service manual CD supplied Calibrated
with warranty Lightweight and portable 2 new X1 and X10
100MHz probes supplied for $39
Specifications Images
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SOLD
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HP 3468A DMM
5.5 digit variable
display DC accuracy better than 0.02% True RMS ac Volts 4
wire ohms HPIB programmable Battery option fitted Supplied
with new power cord and user/service manual on
CD Refurbished and calibrated with warranty
Images
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SOLD
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Wavetek 143 Function Generator
0.0001Hz
- 20MHz frequency range
Sine,
triangle, square, pulse and DC outputs
1000
: 1 sweep capability
Very
low distortion 0.18% @ 1KHz
Triggered
and gated modes
15Vp-p
output into 50 ohms
60dB
stepped attenuator plus 20dB variable
Refurbished
and calibrated.
Warranty
Product Images
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SOLD
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Wavetek 182A Function Generator
0.004Hz to 4MHz in 7 ranges
Sine, triangle, and square
outputs
10V p-p into 50 ohms output
DC offset and DC output
VCG with 1000:1 range
Very low sine distortion <0.2% @
4KHz
Trigger and gate inputs for
producing burst waveforms
Refurbished and calibrated with
warranty
Service/operation manual on CD
Product Images
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$425
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Tektronix CFG250
Function Generator
0.02
Hz - 2 MHz. 10VRMS 50ohm output Built-in sweep
capability Fully refurbished and calibrated. Supplied with
operators manual on CD and power cord. Warranty
Images
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SOLD
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Thurlby Thandar Frequency Counter
5Hz - 25MHz and 20MHz - 1.3GHz
ranges
8 digit display
0.1s, 1s, 10s gate periods
Low
pass filter and hold functions
Auto power down
Battery
operated and very portable.
Mint condition
Calibrated and
with warranty
Product
Photo's
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SOLD
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Keithley 2000 DMM
6.5
digit precision DMM.
Excellent condition
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SOLD
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Tektronix 2430 150MHz Digital
Oscilloscope
150MHz
bandwidth 100MS/s
on both channels Save/Recall
user setups GPIB output Calibrated with warranty
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SOLD
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Tektronix 475 200MHz Oscilloscope
Better
than 200MHz bandwidth 400uV
/ div vertical sensitivity with cascaded channels 0.5s
to 10ns sweep speeds Dual
calibrated sweep XY
mode Manual
supplied Calibrated
with Warranty
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Tektronix TDS-220
100MHz Bandwidth 1GS/s Digital
Oscilloscope Immaculate condition
Images Specifications
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SOLD
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2 X NEW 100 MHz Oscilloscope Probe set with accessories
100MHz bandwidth
X1 and X10 attenuation
2 probes with spring hooks, tip
protectors, coloured rings and adjustment screwdriver.
Compensation range 15 - 35pF
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$45.00
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NEW 100MHz Oscilloscope Probe X1
and X10
General purpose modular switched
probe with hook tip, tip protectors and coloured
rings.
Attenuation: 1:1 and 1:10
Bandwidth: X1 4MHz, X10
100MHz
Compensation range: 15 - 35pF
Input resistance: X1
1Mohm, X10 10Mohm
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$24.95
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