GRAPHTEC GL840 - Gl840-M: B-564; B-564 Sl

4-4
CHAPTER 4 Specication
GL840-M: B-564 / B-564SL
Item Description
Number of input
channels
Standard terminal 20 channels (Up to 200 channels when using with the expansion terminal base)
* Between GL840 and terminal and between terminals can be direct-connected or
with an expansion terminal connection cable (sold separately)
Screwless terminal 20 channels (Up to 200 channels when using with the expansion terminal base)
* Between GL840 and terminal and between terminals can be direct-connected or
with an expansion terminal connection cable (sold separately)
Input terminal
type
Standard terminal M3 screw type terminals (Rectangular at washer)
Screwless terminal Screwless terminal
Input method Photo MOS relay scanning system
All channels isolated, balanced input
* Terminal b to be used to connect the resistance bulb is shorted within all channels.
Scan speed 10 ms/1 ch maximum
Measurement ranges 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, C (WRe5-26)
Resistance bulb : 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 to 1 V scaling conversion) xed
Measurement accuracy
(23°C ±5°C)
• When 30 minutes or more have
elapsed after power was switched on
• Sampling 1 s/20 ch
• Filter ON (10)
• GND connected
Voltage: 0.1% of F.S.
Temperature
•
Thermocouple
Thermocouple
Measurement Temperature
Range (°C)
Measurement Accuracy
R/S 0 ≤ TS ≤ 100℃
100 < TS ≤ 300℃
R : 300 < TS ≤ 1600℃
S : 300 < TS ≤ 1760℃
±5.2℃
±3.0℃
± (0.05% of rdg +2.0℃)
± (0.05% of rdg +2.0℃)
B 400 ≤ TS ≤ 600℃
600 < TS ≤ 1820℃
±3.5℃
± (0.05% of rdg +2.0℃)
K - 200 ≤ TS ≤ - 100℃
-100 < TS ≤ 1370℃
± (0.05% of rdg +2.0℃)
± (0.05% of rdg +1.0℃)
E - 200 ≤ TS ≤ - 100℃
- 100 < TS ≤ 800℃
± (0.05% of rdg +2.0℃)
± (0.05% of rdg +1.0℃)
T - 200 ≤ TS ≤ - 100℃
- 100 < TS ≤ 400℃
± (0.1% of rdg +1.5℃)
± (0.1% of rdg +0.5℃)
J - 200 ≤ TS ≤ - 100℃
- 100 < TS ≤ 100℃
100 < TS ≤ 1100℃
±2.7℃
±1.7℃
± (0.05% of rdg +1.0℃)
N - 200 ≤ TS < 0℃
0 ≤ TS ≤ 1300℃
± (0.1% of rdg +2.0℃)
± (0.1% of rdg +1.0℃)
C (W) 0 ≤ TS ≤ 2000℃ ± (0.1% of rdg +1.5℃)
Reference contact compensation accuracy ±0.5℃
* Thermocouple diameters T - K: 0.32 φ, others: 0.65 φ
•
Resistance bulb
Type
Measurement Temperature
Range (°C)
Applied
current
Measurement
Pt100 - 200 to 850℃ (FS=1050℃) 1mA ±1.0℃
JPt100 - 200 to 500℃ (FS=700℃) 1mA ±0.8℃
Pt1000 - 200 to 500℃ (FS=700℃) 0.3mA ±0.8℃
* 3-wire system