Common Specification Of The Terminal In The Input Section - GRAPHTEC midi LOGGER GL840 Kurzanleitung

Common specification of the terminal in the input section

* The following specifications are common to GL840-M and GL840-WV.
Item
Number of input channelsM 3 screw type, 20 channels (maximum 200 channels with extension unit)
Method
Measurement Voltage
accuracy
Temperature
Humidity
A/D converter
Temperature coefficient
Common mode rejection ratio
Noise
Specification 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/20 ch
• Filter ON (10)
• GND connected
Maximum input voltage
Withstand voltage
21
Photo MOS relay scanning system, all channels isolated, balanced input
20/50/100/200/500 mV, 1/2/5/10/20/50/100 V, 1-5 V F.S.
Thermocouple : K, J, E, T, R, S, B, N, W (WRe5-26)
Resistance temperature detector : Pt100, JPt100, Pt1000 (IEC751)
Measurement accuracy : 100°C, 500°C, 2000°C
0 to 100% (voltage 0 V to 1 V scaling conversion)
16-bit Delta-Sigma A/D converter (Effective resolution: approx. 1/40,000 of ± range)
Gain : 0.01% of F.S./°C
Zero : 0.02% of F.S./°C
At least 90 dB (50/60 Hz; signal source 300Ω or less)
At least 48 dB (with +/- terminals shorted)
•
•
Voltage : ±0.1% of F.S.
1
Thermocouple
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
W 0≤TS≤2000˚C
Reference contact compensation
accuracy
•
Resistance temperature detector
Type Measurement
Temperature Range
Pt100 -200 to 850°C
JPt100 -200 to 500°C
Pt1000 -200 to 500°C
Between +/– terminals : 20mV to 2Vrange (60Vp-p)
Between input terminal/input terminal : 60Vp-p
Between input terminal/GND : 60Vp-p
Between input terminal/input terminal : 1 minute at 350Vp-p
Between input terminal/GND : 1 minute at 350Vp-p
Description
* Occurs when sampling speed is 10 ms/20 ms or 50 ms.
(GL840-M with standard terminal)
Description
Measurement Accuracy
±5.2˚C
±3.0˚C
± (0.05% of rdg +2.0˚C)
± (0.05% of rdg +2.0˚C)
±3.5˚C
± (0.05% of rdg +2.0˚C)
± (0.05% of rdg +2.0˚C)
± (0.05% of rdg +1.0˚C)
± (0.05% of rdg +2.0˚C)
± (0.05% of rdg +1.0˚C)
± (0.1% of rdg +1.5˚C)
± (0.1% of rdg +0.5˚C)
±2.7˚C
±1.7˚C
± (0.05% of rdg +1.0˚C)
± (0.1% of rdg +2.0˚C)
± (0.1% of rdg +1.0˚C)
± (0.1% of rdg +1.5˚C)
±0.5˚C
* 3-wire system
Applied current
1mA
1mA
0.3mA
5V to 100V range (110Vp-p)
Accuracy
±1.0°C
±0.8°C
±0.8°C