Mulltimeters for sale


Manuals
 

Racal-Dana 9300 True RMS Voltmeter
Robust, typical Racal-Dana Military specification over engineered test meter!
Wide band True RMS analogue Voltmeter, with high accuracy on High Crest Factor waveforms, with Measurements down to 30uV rms

  • 30uV to316V in 14 half decade ranges (max overload Voltage 500V)
  • 5Hz to 20MHz
  • Input Impedence
    • 1V and up....1Mohm with 30pF
    • 300mV and down...1Mohm with 40pF
  • Isolated input selectable with switch
  • Residual noise less than 10uV
  • Indication of volts and dBm (600 ohms)
  • DC output for use with Digital Voltmeter
  • 240V AC operation

Inputs and outputs via BNC connectors.

This meter is in very good condition. There are marks, scratches, and stains typical of an instrument of this age coming from a military working environment. I believe it is ex-RAF.

Sold

I have a few more waiting for servicing.

Racal 9300
Racal 9300 Racal 9300
Fluke 8000A

3.5 Digit DVM

This is a very clean, fully working Digital Multimeter. Handle and case are undamaged, but a postcode has been engraved on the underside of the front bezel.

This version has option -06 LOW OHM fitted giving lowest range 0 to 2000 miliOhms

Specifications

  • DC V 0V - 1200V (1% )
  • DC mA 0 - 2000mA (0.3%)
  • AC V 0 - 1200Vrms (0.5% or 1%)
  • AC mA 0 - 2000mA (1%)
  • 2 Ohm 0 - 2000mOhm (1%)
  • 20 Ohm 0 - 20Ohm (0.5%)
  • kOhm 0 to 2000kOhm (0.2%)
  • 20MOhm 0 to 20MOhm (0.5%)
  • Input impedence 10 MOhms

I have tested this to the best of my ability, and it performs to specification.

  • Checked against my Solartron 7150 (see pictures), which is checked against my Racal 6000 Auto call DMM
No cables or other items that may be pictured with item are included

 

£35

 

 

Fluke 8000A
Fluke 8000A Volts Fluke 8000 Amps
Gould Advance DMM7

3.5 Digit Digital Multimeter

This is in very good condition, with no noticeable marks to case. All outer panels are metal, and is a heavy instrument for its size.

This is a rare DMM with easy to read LED display

Specifications

  • 0-200uA range
  • 0-2000mA
  • 0-1200V
  • 0-20MOhm

I have tested this to the best of my ability, and it performs to specification.

  • Checked against my Solartron 7150 (see pictures), which is checked against my Racal 6000 Auto call DMM

No cables or other items that may be pictured with item are included

£30

 

 

Goud Advance DMM7
Gould Advance DMM7 Gould Advance DMM7

Racal 9301A

Wideband True RMS RF millivoltmeter

Robust, typical Racal-Dana Military specification over engineered test meter!

Wide band True RMS analogue Voltmeter, with high accuracy on High Crest Factor waveforms, with Measurements down to 100uV rms

True RMS (T.R.M.S.)(TRMS) measurements of rf sinusoidal, pulse and noise waveforms to 2GHz.

  • 100uV to 3V rms in 8 ranges
  • 50 Ohm input (1:1 VSWR to 1GHz) “N” connector
  • 100kohm 3pF probe
  • 10kHz to 1.5GHz
  • 12dB Crest factor
  • Reading hold feature on probe
  • DC output relative to measurement, to connect to digital voltmeter
  • dB of volt scales (referenced to 0dBm)

Probe is in good condition and fully working, including the tip. This part is often missing or damaged due to operation at high voltages (greater than 4Vrms).

Makes measurement of radio I.F stages very simple. Measure the gain of RF amplifiers, or loss through filters.

Manual

SOLD

 

 

Racal 9301A

 

Racal 9301A

Racal 9301A

Racal 9301A

 

Keithley 179A (no2)

Precision 4.5 digit TRMS Digital Multimeter

In very good condition, and performing to specifications. Slight damage to case, handle perfect (slight sticker residue on top). High quality DMM with large and clear LED display, makes it easy to see the display from a distance, or at an angle.

Specifications

  • True RMS
  • AC and DC current measurement to 20 Amps
  • 10uV AC and DC sensitivity
  • 1200VDC, 1000VAC, 20Mohm, 20 Amp
  • 10Meg Ohm input impedance
  • Hi and Lo Ohms settings (High uses 2V, and low uses 200mV) useful for in circuit measurement without semiconductors turning on.
  • 1KV protection on Ohms ranges

Manual

Sold

 

Keithley 179A

Keithley 179A (no3)

Precision 4.5 digit TRMS Digital Multimeter

In very good condition, and performing to specifications. No damage to case, or handle (slight sticker residue on top). High quality DMM with large and clear LED display, makes it easy to see the display from a distance, or at an angle.

Specifications

  • True RMS
  • AC and DC current measurement to 20 Amps
  • 10uV AC and DC sensitivity
  • 1200VDC, 1000VAC, 20Mohm, 20 Amp
  • 10Meg Ohm input impedance
  • Hi and Lo Ohms settings (High uses 2V, and low uses 200mV) useful for in circuit measurement without semiconductors turning on.
  • 1KV protection on Ohms ranges

Manual

Sold

 

Keithley 179A

Keithley 192

6.5 digit (+/- 2,000,000) Auto-Ranging with 5 Voltage ranges and 6 Resistance ranges.

will display 1000V to 1mV resolution!

In good condition, with small amount of damage to top corner (see Photo).

This one has options 1910 (ACV) and 1923 (GPIB IEEE-488) installed.

Unique Hybrid A-D converter

Specifications

  • 6.5 digit display
  • Auto Ranging
  • 1uV to 1200V DC
  • 1uV to 1000V AC
  • 1mOhm (milliohm) to 20 MOhm (MeggerOhm) Two or four terminal measurements
  • up to 1000Meg Ohm input impedence
  • 4mm Binding post terminals for flexibility

Programmable

  1. Filter
  2. Zeroing
  3. Ofset
  4. % Deviation
  5. Min/Max
  6. High/Low Pass
  7. Data Logger

Manual

SOLD

Keithley 192
Keithley 192

Wayne Kerr Automatic Component Bridge

B605 (LCR Bridge)

  • Series or Parallel terms
  • 4 or 5 digit (depending on range)
  • Range hold
  • Dissipation factor of capacitors
  • Q of inductors
  • Three test frequencies
  • Fully automatic bridge
  • Automatic “trim”
  • 0.1% accuracy (0.25% on 10kHz)
  • Up to 50V external polarisation voltage
  • Inputs protected to 500V
  • 0-100M ohm (0.1mOhm resolution)
  • 0-1F (Farad) capacitance (up to 0.0001pF resolution)
  • 0-16kH inductance (up to 0.0001uH resolution)

The input terminations have been modified to standard Kelvin type connectors (4 x BNC)

Originally this instrument used two triaxial BNC connectors. These being virtually unobtainable and horrendously expensive, and almost impossible to wire and were replaced for four BNC Connectors. These have been wired in, exactly as the triaxial connectors were. Both two wire and three wire measurements can still be made.

SOLD

 

Wayne Kerr B424

Wayne Kerr B605Wayne Kerr B605

Wayne Kerr B605

Fluke 8000A BU

3.5 Digit DVM

This is a very clean, fully working Digital/Analogue Multimeter. Handle and case are undamaged.

This is a rare US Military specification with internal battery option, and analogue indicator meter

Specifications

  • DC V 0V - 1200V (1% )
  • DC mA 0 - 2000mA (0.3%)
  • AC V 0 - 1200Vrms (0.5% or 1%)
  • AC mA 0 - 2000mA (1%)
  • 2 Ohm 0 - 2000mOhm (1%)
  • 20 Ohm 0 - 20Ohm (0.5%)
  • kOhm 0 to 2000kOhm (0.2%)
  • Input impedence 10 MOhms

I have tested this to the best of my ability, and it performs to specification.

  • Checked against my Racal 6000 Auto call DMM
No cables or other items that may be pictured with item are included
 

Fluke 8000A BUFluke 8000A BU

Fluke 8000A BUFluke 8000A BU

 

£40.00

 
   
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