YOKOGAWA DL850 ScopeCorder - Page 137

6-29
IM DL850-03EN
Specifications
1
2
3
4
5
6
App
Index
Temperature, High Precision Voltage Isolation Module (701265)
Specifications
Item Specifications
Standard operating conditions Temperature:
Humidity:
23 ±5°C
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, and GND
TC:
DC:
Temperature (thermocouple) measurement
Voltage measurement (DC coupling)
Data update rate 500 Hz
Measurement range/accuracy
1
For the thermocouple
standards, see the 701261
specifications.
[Voltage measurement] Voltage sensitivity:
Voltage accuracy:
100 μV/div to 10 V/div (1-2-5 steps)
±(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 reading + 1.5°C)
Except ±(0.2% of reading + 1.5°C)
for −200°C to 0°C
R
S
0 to 1700°C
0 to 1700°C
±(0.1% of reading + 3°C)
Except, 0 to 200°C: ±8°C
200 to 800°C: ±5°C
B 0 to 1800°C ±(0.1% of reading + 2°C)
Except, 400 to 700°C: ±8°C
Effective range is 400 to 1800°C
W 0 to 2300°C ±(0.1% of reading + 3°C)
Au7Fe
3
0 to 300K 0 to 50K:
50 to 300K:
±4K
±2.5K
Frequency characteristics
1
(−3 dB point when a sine wave
of amplitude ±3 div is applied)
[Voltage measurement]
[Temperature measurement]
DC to 100 Hz
DC to 100 Hz
Maximum input voltage
4
(at a frequency of 1 kHz or less)
Both temperature and voltage input: 42 V (DC + ACpeak)
Maximum allowable common
mode voltage
5
(at a frequency of 1 kHz or less)
Both temperature and voltage input: 42 V (DC+ACpeak) (CAT II, 30 Vrms)
Vertical resolution [Voltage measurement] During voltage input: 2400 LSB/div
[Temperature measurement] When measuring temperature: 0.1°C
−3 dB point when AC coupled
low frequency attenuation point
[Voltage measurement] 0.5 Hz or less
Input connector Binding post
Input impedance Approx. 1 MΩ
Common mode rejection ratio [Voltage measurement] 80 dB (50/60 Hz) or more (Typical
6
)
[Temperature measurement] 120 dB or more (50/60 Hz, with 2-Hz filter ON, signal source
resistance of 500 Ω or less) (Typical
6
)
Residual noise level
(Input section shorted)
[Voltage measurement] ±4 µV or ±0.01 div, whichever is greater (Typical
6
)
A/D conversion resolution [Voltage measurement] 16 bits (2400 LSB/div)
Temperature coefficient [Voltage measurement] Zero point: ±(0.01% of 10 div)/°C + 0.05µV/°C) (Typical
6
)
Gain ±(0.02% of 10 div)/°C (Typical
6
)
Reference junction compensation
accuracy (when the input terminal
temperature is balanced)
K, E, J, T, L, U, N:
R, S, B, W:
Au7Fe:
±1°C
±1.5°C
±1K
Bandwidth limit (digital filter) Select from OFF, 30 Hz, 8 Hz, and 2 Hz
6.13 Module Specifications