Specifications
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
