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IETLAB GenRad / QuadTech 1864-9700 Megohmmeter (3% ; 50 kΩ - 200 TΩ)

  • Manufacturer: IET LAB
    Model: GenRad / QuadTech 1864-9700
    Guarantee: 12 month
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Manufacturer: IETLAB
Origin: USA

(Full specifications can be found on datasheet)

200 Test Voltages from 10 V to 1090 VDC
Rugged and Portable Analog Megohmmeter
Up to 3% Accuracy
50 kΩ to 200 TΩ Measurement Range
Reliable High Quality Instrument Designed to Last up to 30 years
Suggested Equipment in Boeing Service Bulletins for DC-10, 747 and others
Self Contained, Portable Carrying Case
Large, Direct Reading Front Panel Meter
Maximum of 5 mA Charge Current
Analog Output

Detail

datasheet

manual

GenRad 1864 Megohmmeter Basic Specifications

(Full specifications can be found on the datasheet)

Resistance Accuracy: (min reading 0.5) Range 1-5: ± 2(meter reading +1)%
Range 6: ± 2% to accuracy above, Range 7: ± 3% to accuracy above, Range 8: ±5% to accuracy above

Voltage Accuracy: (across unknown): +/-2%

Short-Circuit Current: 5mA approximately

Voltage and Resistance Ranges

Voltage  Rmin (Full Scale)  Rmax  Useful Ranges 
10VDC to 50VDC  50 kΩ 2 TΩ 7
50VDC to 100VDC  200 kΩ 20 TΩ 8
100VDC to 500VDC  500 kΩ 20 TΩ  7
500VDC to 1090VDC  5 MΩ 200 TΩ 8

The GenRad 1864 Megohmmeter is the choice for more demanding applications. The test voltage can be set to any value from 10VDC to 109VDC in 1-volt steps and to 1090VDC in 10 volt steps. Thus the GenRad 1864 can be set to any common, or uncommon test voltage for ceramic, mica or paper capacitors, or other devices. The reverse resistance of rectifiers can be readily measured; the low test voltages are especially useful in measuring solid state diodes. An additional range on the 1864 Megohmmeter permits measurements up to 200 TΩ (2 x 1014Ω)

Stability of calibration in the GenRad 1864 Megohmmeter is maintained by use of a four-transistor unity gain amplifier. In addition, no warm-up drift is encountered, and high zero stability is maintained during operation.  Human engineering has not been overlooked in the GenRad 1864 Megohmmeter as evidenced by the warning light that is activated by the application of the test voltage. The 1864 employees a Measure/Charge/Discharge switch and provision for performance grounded and ungrounded measurements.

The GenRad 1864 Megohmmeter is easy to use with direct-reading meter indication and lighted range switch that shows the multiplier for each range and voltage. The maximum current possible at the terminals is limited to a 5mA and a panel light near the terminals warns when voltage is present.

Stable power supplies and feedback voltmeter circuit minimize drift and time wasting adjustments. Guard and ground terminals permit measurement of grounded or ungrounded two- or three-terminal resistors. The instruments are supplied in a convenient, portable, Flip-Tilt case that is a stand for the meter in use and protects it in transit and storage

Some GenRad 1864 Megohmmeter Applications
•Testing Insulation Resistance of Wire and Cables
•Testing Insulation Resistance of Ceramic, Mica, Paper and Other Capacitors
•Measuring Reverse Resistance of Rectifiers
•Testing Solid State Diodes


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