Specifications Of Input Section (Gl840-Wv Withstand High Voltage High-Precision Terminal); Installation Guide - GRAPHTEC GL840 Quick Start Manual

Specifications of input section
Item
Measurement accuracy *
(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
Maximum input voltage
Withstand voltage
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.
•
•
Voltage : ± (0.05% of F.S. +10 μV)
1
Thermocouple
*1: Thermocouple diameters T, K: 0.32 Φ, others: 0.65 Φ
Type Measurement
Temperature Rang
0≤TS≤100°C
100<TS≤300°C
R/S
R: 300<TS≤1600°C
S: 300<TS≤1760°C
400≤TS≤600°C
B
600<TS≤1820°C
-200≤TS≤-100°C
K
-100<TS≤1370°C
-200≤TS≤-100°C
E
-100<TS≤800°C
-200≤TS≤-100°C
T
-100<TS≤400°C
-200≤TS≤-100°C
J -100<TS≤100°C
100<TS≤1100°C
-200≤TS<0°C
N
0≤TS≤1300°C
C (W) 0≤TS≤2000°C
Reference contact compensation
accuracy
•
Resistance bulb
Type
Temperature Range
Pt100
JPt100
Pt1000
Between +/– terminals : 20mV to 2V range (60Vp-p)
Between input terminal/input terminal : 600Vp-p
Between input terminal/GND : 300Vp-p
Between input terminal/input terminal : 600Vp-p/1 minute
Between input terminal/GND : 2300 VACrms/1 minute

Installation Guide

(GL840-WV Withstand High Voltage high-precision terminal)
Description
* 3-wire system
Measurement Applied current
-200≤TS≤100°C
100<TS≤500°C
500<TS≤850°C
-200≤TS≤100°C
100<TS≤500°C
-200≤TS≤100°C
100<TS≤500°C
5V to 100V range (110Vp-p)
Measurement Accuracy
±4.5˚C
±3.0˚C
±2.2˚C
±2.2˚C
±3.5˚C
±2.5˚C
±1.5˚C
±0.8˚C
±1.0˚C
±0.8˚C
±1.5˚C
±0.6˚C
±1.0˚C
±0.8˚C
±0.6˚C
±2.2˚C
±1.0˚C
±1.8˚C
±0.3˚C
Accuracy
1mA ±0.6°C
±0.8°C
±1.0°C
±0.6°C
1mA
±0.8°C
0.3mA ±0.6°C
±0.8°C
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