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Dual Channel
Electrometer
- Current measurement from 10fA to 2A dc
- Voltage measurement from 1µV to 200V dc with 20 Tohm input resistance
- Resistance measurements from 10 mohm to 2 Tohm
- Optional dual channels and IEEE interface
DC Volts
| Range |
Maximum Reading |
| 200 mV |
199.999 x 10-3 |
| 2 V |
1.99999 |
| 20 V |
19.9999 |
| 200 V |
199.999 |
- Input Resistance: Greater than or equal to 20 Tohm
DC Amps
| Range |
Maximum Reading |
| 2 nA |
1.99999 x 10-9 |
| 20 nA |
19.9999 x 10-9 |
| 200 nA |
199.999 x 10-9 |
| 2 µA |
1.99999 x 10-6 |
| 20 µA |
19.9999 x 10-6 |
| 200 µA |
199.999 x 10-6 |
| 2 mA |
1.99999 x 10-3 |
| 20 mA |
19.9999 x 10-3 |
| 2 A |
1.99999 |
- Input Voltage Drop: Less than 1mV at full-scale except less than 0.6V on 2A range
Ohms
| Range |
Maximum Reading |
| 2 kohm |
1.99999 x 10-3 |
| 20 kohm |
19.9999 x 10-3 |
| 200 kohm |
199.999 x 10-3 |
| 2 Mohm |
1.99999 x 10-6 |
| 20 Mohm |
19.9999 x 10-6 |
| 200 Mohm |
199.999 x 10-6 |
| 2 Gohm |
1.99999 x 10-9 |
| 20 Gohm |
19.9999 x 10-9 |
| 200 Gohm |
199.999 x 10-9 |
| 2 Tohm |
1.99999 x 10-12 |
- Ohms Current Sources:
2 kohm, 20 kohm: 100µA
200 kohm, 2 Mohm: 1µA
20 Mohm, 2 Gohm: 10nA
20 Gohm through 2 Tohm: 100pA
- Analog Output: Analog output voltage level is the product of the Ohms current
source and the resistance being measured
IEEE-488 Bus Implementation
(Requires installation of Model 6193)
General
- Display: Numeric; 0.56" LED digits, 4½-digit mantissa @ 6.2 rdg/s (5½
digits @ 2.4 rdg/s in high resolution mode), 2 digit exponent, decimal point, signed
exponent and mantissa
- Overrange Indication: Display reads OFLO
- Maximum Allowable Input: 250V rms dc to 60Hz sinewave
- Input Connectors (6194 Electrometer rear panel): 2A range: 5-way binding posts.
All other functions and ranges via Teflon® insulated triaxial connector
- Output Connectors: Analog: Amphenol Series 80 (Microphone), 6194 Electrometer
rear panel. IEEE: Amphenol or Cinch Series 57, 6193 IEEE Interface rear panel.
BNC (chassis isolated) connections for EXTERNAL TRIGGER and ELECTROMETER COMPLETE
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