Specifications
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
