GRAPHTEC midi LOGGER GL240 - Specification of Input Section

Specification of the input section
Description
Item
Measurement
ranges
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)
Temperature range : Fixed
0 to 100% (voltage 0 V to 1 V scaling conversion)
* B-530 (optional) use
Voltage
Temperature
Humidity
At least 90 dB (50/60 Hz; signal source 300 or less)
Between input terminal/input terminal : 1 minute at 350Vp-p
Between input terminal/GND : 1 minute at 350Vp-p
Between input terminal/input terminal : 60Vp-p
Between +/– terminals : 20mV to 1Vrange (60Vp-p)
2V to 100V range (110Vp-p)
Between input terminal/GND : 60Vp-p
At least 48 dB (with +/- terminals shorted)
Gain : 0.01% of F.S./°C
Zero : 0.02% of F.S./°C
* Occurs when sampling interval is 10, 20, or 50 ms.
Temperature coefficient
16-bit Delta-Sigma A/D converter (Effective resolution: approx. 1/40,000 of ± range) A/D converter
Common mode rejection ratio
Noise
Number of input channels M3 screw type terminal (Rectangular flat washer) 10 channels
Method Photo MOS relay scanning system, all channels isolated, balanced input
Scan speed 10ms/1Ch
20
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
*1: Thermocouple diameters T, K: 0.32 , others: 0.65 
Type Measurement AccuracyMeasurement
Temperature Range
R/S
B
K
E
T
N
W
Reference contact compensation
accuracy
J
0TS100˚C ±5.2˚C
±3.0˚C
± (0.05% of rdg +2.0˚C)
± (0.05% of rdg +2.0˚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)
± (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)
±3.5˚C
±2.7˚C
±1.7˚C
±0.5˚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
-200TS<0˚C
0TS1300˚C
0TS2000˚C
•
Thermocouple
•
Voltage : ±0.1% of F.S.
Maximum input voltage
Withstand voltage