GRAPHTEC GL840 - Specification of Input Section (GL840-WV Withstand High Voltage High-Precision Terminal); Installation Guide

Installation Guide
22
For the install procedure of the GL840 application software (USB driver /
GL100_240_840-APS), refer to the “Application Software Manual” included in the
attached CD-ROM.
Specification of input section (GL840-WV Withstand High Voltage high-precision terminal)
Description
Item
•
Voltage : ± (0.05% of F.S. +10 μV)Measurement accuracy *
1
(23°C ±5°C)
• When 30 minutes or
more have elapsed after
power was switched on
• Sampling 1 s/10 ch
• Filter ON (10)
• GND connected
Between input terminal/GND : 300Vp-p
Between input terminal/input terminal : 1 minute at 600Vp-p
Between input terminal/GND : 1 minute at 2300Vp-p
Between input terminal/input terminal : 600Vp-p
Between +/– terminals : 20mV to 2Vrange (60Vp-p)
5V to 100V range (110Vp-p)
Maximum input voltage
Withstand voltage
*1: Thermocouple diameters T, K: 0.32 Φ, others: 0.65 Φ
•
Resistance temperature detector
Type Measurement AccuracyMeasurement
Temperature Rang
R/S
B
K
E
T
N
W
Reference contact compensation
accuracy
J
0≤TS≤100°C ±4.5˚C
±3.0˚C
±2.2˚C
±2.2˚C
±2.5˚C
±1.5˚C
±0.8˚C
±1.0˚C
±0.8˚C
±1.5˚C
±0.6˚C
±0.6˚C
±2.2˚C
±1.0˚C
±1.8˚C
±3.5˚C
±1.0˚C
±0.8˚C
±0.3˚C
100<TS≤300°C
R: 300<TS≤1600°C
S: 300<TS≤1760°C
400≤TS≤600°C
600<TS≤1820°C
-200≤TS≤-100°C
-100<TS≤1370°C
-200≤TS≤-100°C
-100<TS≤800°C
-200≤TS≤-100°C
-100<TS≤400°C
-200≤TS≤-100°C
-100<TS≤100°C
100<TS≤1100°C
* 3-wire system
-200≤TS<0°C
0≤TS≤1300°C
0≤TS≤2000°C
•
Thermocouple
Type Applied current Accuracy Measurement
Temperature Range
Pt100
JPt100
Pt1000
-200≤TS≤100°C ±0.6°C1mA
100<TS≤500°C ±0.8°C
1mA
500<TS≤850°C
-200≤TS≤100°C
100<TS≤500°C
-200≤TS≤100°C
100<TS≤500°C
±1.0°C
±0.6°C
±0.8°C
±0.6°C
±0.8°C
0.3mA