Measurement Accuracy |
Voltage DC |
30.000 V |
0.02% + 2 counts (upper display) |
30.000 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) |
Frequency |
2.0 to 1000.0 CPM |
0.05% + 1 count |
1.0 to 1100.0 Hz |
0.05% + 1 count |
1.00 to 10.00 kHz |
0.05% + 1 count |
Sensitivity |
1 V peak-to-peak-minimum |
Pressure |
Accuracy from 0.025% of range using any of 29 pressure modules (for detailed specifications refer to pressure modules in options and accessories). Modules available for differential, gauge, vacuum, absolute, dual and high pressure. |
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) |
Current DC |
24.000 mA (source) |
0.02% + 2 counts |
24.000 mA (simulate) |
0.02% + 2 counts |
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) |
Frequency |
2.0 to 1000.0 CPM |
0.05% |
1.0 to 1100.0 Hz |
0.05% |
1.00 to 10.00 kHz |
0.25% |
Waveform |
5 V p-p squarewave, -0.1 V offset |
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 |
Operating altitude |
3000 m |
Safety Specifications |
Agency approvals |
EN 61010-1:1993, ANSI/ISA S82.01-1994; CAN/CSA C22.2 No 1010.1:1992 |
Mechanical and General Specifications |
Size |
130 x 236 x 61 mm |
Weight |
0.65 kg |
Batteries |
4 AA alkaline batteries |
Battery replacement |
Separate battery compartment, accessable without breaking calibration seal |
Side port connections |
Pressure module connector, also used for remote real-time programming |