6-24
IM DL35O-03EN
Temp./Hi-Prec. Voltage Module (Low Noise) (720266)
Item
Specifications
Standard operating conditions
Temperature:
23 ± 5°C
Humidity:
20 to 80% RH
After a 30 minute warm-up and after calibration
Function
Temperature (thermocouple) or voltage measurement (switchable)
Effective measurement range
[Voltage measurement] 20 div (display range: 10 div)
Number of input channels
2
Input coupling
TC, DC, GND
TC:
Temperature (thermocouple) measurement
DC: Voltage measurement (DC coupling)
Data update rate
Approx. 125 Hz
Input type
Isolated unbalanced
Measurement range/accuracy
1
For the thermocouple
standards, see the 701261
specifications.
[Voltage measurement]
Voltage sensitivity:
100 µV/div to 20 V/div (1-2-5 steps)
Voltage accuracy:
±(0.08% of 10 div + 2 µV)
[Temperature measurement]
2
Type
Measurement Range
Accuracy
K
E
J
T
L
U
N
−200 to 1300°C
−200 to 800°C
−200 to 1100°C
−200 to 400°C
−200 to 900°C
−200 to 400°C
0 to 1300°C
±(0.1% of r 1.5°C)
Except ±(0.2% of r 1.5°C) for
−200°C to 0°C
R
S
0 to 1700°C
0 to 1700°C
±(0.1% of r 3°C)
Except, 0 to 200°C: ±8°C
200 to 800°C: ±5°C
B
0 to 1800°C
±(0.1% of r 2°C)
Except, 400 to 700°C: ±8°C
Effective range is 400 to 1800°C
W
0 to 2300°C
±(0.1% of r 3°C)
Au7Fe
3
0 to 300K
0 to 50K:
±4K
50 to 300K:
±2.5K
Frequency characteristics
1
(−3 dB point a when sine wave
of amplitude ±3 div is applied)
[Voltage measurement]
DC to 15 Hz
[Temperature measurement] DC to 15 Hz
Maximum input voltage
4
(at a frequency of 1 kHz or less)
Both temperature and voltage input:
42 V (DC + ACpeak)
Maximum rated voltage to
ground
5
Between input and case
Between inputs
(at a frequency of 1 kHz or
less)
Both temperature and voltage input:
42 V (DC + ACpeak) (CAT II, 30 Vrms)
Selectable maximum DC offset
range
[Voltage measurement]
±5 div
Vertical resolution
[Voltage measurement]
During voltage input:
2400 LSB/div
[Temperature measurement] When measuring temperature:
0.1°C
Input connector
Binding post
Input impedance
Approx. 1 MΩ
Common mode rejection ratio
[Voltage measurement]
80 dB (50/60 Hz) or more (typical value
6
)
[Temperature measurement] 120 dB or more (50/60 Hz, with 2-Hz filter ON, signal source
resistance of 500 Ω or less) (typical value
6
)
Residual noise level
(input section shorted)
[Voltage measurement]
±4 µV or ±0.01 div, whichever is greater (typical value
6
)
A/D converter resolution
[Voltage measurement]
16 bits (2400 LSB/div)
Temperature coefficient
[Voltage measurement]
Zero point:
±(0.01% of 10div)/°C + 0.05 µV/°C) (typical value
6
)
Gain:
±(0.02% of 10 div)/°C (typical value
6
)
Reference junction
compensation accuracy
(when the input terminal
temperature is balanced)
K, E, J, T, L, U, N:
±1°C
R, S, B, W:
±1.5°C
Au7Fe:
±1K
6.13 Module Specifications