| Measurement Accuracy |
| Voltage DC | 30.000 V | 0.02% + 2 counts (upper display) |
| 20.000 V | 0.02% + 2 counts (lower display) |
| 100.00 mV | 0.02% + 2 counts |
| -10.00 mV to 75.00 mV | 0.025% + 1 count (via TC connector) |
| Current DC | 24.000 mA | 0.02% + 2 counts |
| Resistance | 0.0 to 400.0 Ω | 0.1 Ω (4-wire), 0.15 Ω (2- and 3-wire) |
| 401 to 1500 Ω | 0.5 Ω (4-wire), 1 Ω (2- and 3-wire) |
| 1500 to 3200 Ω | 1 Ω (4-wire), 1.5 Ω (2- and 3-wire) |
| Source Accuracy |
| Voltage DC | 100.00 mV | 0.02% + 2 counts |
| 10.000 V | 0.02% + 2 counts |
| -10.00 mV to 75.00 mV | 0.025 % + 1 count (via TC connector) |
| Resistance | 15.0 to 400.0 Ω | 0.15 Ω (exc. current 0.15 to 0.5 mA), 0.1 Ω (exc. current 0.5 to 2 mA) |
| 401 to 1500 Ω | 0.5 Ω (excitation current 0.05 to 0.8 mA) |
| 1500 to 3200 Ω | 1 Ω (excitation current 0.05 to 0.4 mA) |
| RTDs and Thermocouples |
| Measure accuracy | NI-120 | 0.2°C |
| PT-100 (385) | 0.33°C |
| PT-100 (393) | 0.3°C |
| PT-100 (JIS) | 0.3°C |
| PT-200 (385) | 0.2°C |
| PT-500 (385) | 0.3°C |
| PT-1000 (385) | 0.2°C |
| Resolution | 0.1°C |
| J | 0.7°C |
| K | 0.8°C |
| T | 0.8°C |
| E | 0.7°C |
| R | 1.8°C |
| S | 1.5°C |
| B | 1.4°C |
| L | 0.7°C |
| U | 0.75°C |
| N | 0.9°C |
| Resolution | J, K, T, E, L, N, U: 0.1°C, 0.1°F B, R, S: 1°C, 1°F |
| XK | 0.6°C |
| BP | 1.2°C |
| Source accuracy | NI-120 | 0.2°C |
| PT-100 (385) | 0.33°C |
| PT-100 (393) | 0.3°C |
| PT-100 (JIS) | 0.3°C |
| PT-200 (385) | 0.2°C |
| PT-500 (385) | 0.3°C |
| PT-1000 (385) | 0.2°C |
| Resolution | 0.1°C |
| Accuracy stated for 4-wire measurement. |
| J | 0.7°C |
| K | 0.8°C |
| T | 0.8°C |
| E | 0.7°C |
| R | 1.4°C |
| S | 1.5°C |
| B | 1.4°C |
| L | 0.7°C |
| U | 0.75°C |
| N | 0.9°C |
| Resolution | J, K, T, E, L, N, U: 0.1°C, B, R, S: 1°C |
| XK | 0.6°C |
| BP | 1.2°C |
| Specifications |
| Ramp functions | Source functions | Voltage, current, resistance, frequency, temperature |
| Ramps | Slow ramp, Fast ramp, 25% step-ramp |
| Loop power function | Voltage | 24 V |
| Accuracy | 10% |
| Maximum current | 22 mA, short circuit protected |
| Step functions | Source functions | Voltage, current, resistance, frequency, temperature |
| Steps | 25% of range, 100% of range |
| Environmental Specifications |
| Operating temperature | -10°C to 55°C |
| Storage temperature | -20°C to 71°C |
| Humidity (without condensation) | 90% | 10°C to 30°C |
| 75% | 30°C to 40°C |
| 45% | 40°C to 50°C |
| 35% | 50°C to 55°C |
| Safety Specifications |
| Safety rating | CSA C22.2 No. 1010.1:1992 |
| EMC | EN50082-1:1992 and EN55022:1994 Class B |
| Mechanical and General Specifications |
| Size | 96 x 200 x 47 mm |
| Weight | 650 g |
| Batteries | Four AA alkaline batteries |
| Warranty | Three years |
| Battery life | 25 hours typical |
| Shock and vibration | Random, 2 G, 5-500 Hz |
