Withstand High-Voltage High-Precision Terminal Input Section (Gl840-Wv: B-565) - GRAPHTEC GL840 User Manual

CHAPTER 4 Specification

Withstand high-Voltage high-precision terminal input section (GL840-WV: B-565)

Item
Number of input channels
Input terminal type
Input method
Scan speed
Measurement ranges
Measurement accuracy
(23°C ±5°C)
• When 30 minutes or more have
elapsed after power was switched on
• Sampling 1 s/10 ch
* High-precision terminal only
• Filter ON (10)
• GND connected
4-6
20ch (200ch available when used with the extension terminal base)
* Possible to direct-connect or connect with the extension terminal connection cable
(sold separately) between the GL840 and terminal unit, or between terminal units.
M3 screw type terminals (Rectangular flat washer)
Photo MOS relay scanning system
All channels isolated, balanced input
* Terminal b to be used to connect the resistance temperature detector is shorted
within all channels.
10 ms/1 ch maximum
Voltage: 20, 50, 100, 200, 500 mV; 1, 2, 5, 10, 20, 50, 100 V; 1-5 V F.S.
Temperature
Thermocouples : K, J, E, T, R, S, B, N, W (WRe5-26)
Resistance temperature detector: Pt100, JPt100, Pt1000 (IEC751)
Temperature range: 100°C, 500°C, 2000°C
(In the case of Fahrenheit: 150°F, 750°F, 3000°F)
Humidity: 0 to 100% (voltage 0 V to 1 V scaling conversion) fixed
* With B-530 (option)
Voltage: ± (0.05% of F.S. + 10μV)
Temperature
•
Thermocouple
Measurement Temperature
Thermocouple
R/S
R : 300 < TS ≤ 1600℃
S : 300 < TS ≤ 1760℃
B 400 ≤ TS ≤ 600℃
600 < TS ≤ 1820℃
K -200 ≤ TS ≤ -100℃
-100 < TS ≤ 1370℃
E -200 ≤ TS ≤ -100℃
-100 < TS ≤ 800℃
T -200 ≤ TS ≤ -100℃
-100 < TS ≤ 400℃
J -200 ≤ TS ≤ -100℃
-100 < TS ≤ 100℃
N -200 ≤ TS <
W
Reference contact compensation accuracy
* Thermocouple diameters T - K: 0.32 φ, others: 0.65 φ
•
Resistance temperature detector
Measurement Temperature
Type
Pt100
JPt100
Pt1000
* 3-wire system
Description
Measurement Accuracy
Range (°C)
0 ≤ TS ≤ 100℃ ±4.5℃
100 < TS ≤ 300℃ ±3.0℃
±2.2℃
±2.2℃
±3.5℃
±2.5℃
±1.5℃
±0.8℃
±1.0℃
±0.8℃
±1.5℃
±0.6℃
±1.0℃
±0.8℃
100 < TS ≤ 1100℃ ±0.6℃
0℃ ±2.2℃
0 ≤ TS ≤ 1300℃ ±1.0℃
0 ≤ TS ≤ 2000℃ ±1.8℃
±0.3℃
Applied
Range (°C) current
-200 ≤ TS ≤ 100℃
100 < TS ≤ 500℃
500 < TS ≤ 850℃
-200 ≤ TS ≤ 100℃
100 < TS ≤ 500℃
-200 ≤ TS ≤ 100℃
100 < TS ≤ 500℃
Measurement
1mA ±0.6℃
±0.8℃
±1.0℃
1mA ±0.6℃
±0.8℃
0.3mA ±0.6℃
±0.8℃