GRAPHTEC MT100 Quick Start Manual page 22

Input unit specifications:
Item
Number of input channels 10 ch
Input terminal type M4 screw type terminals
Input method Photo MOS relay scanning system
All channels isolated, balanced input
Scan speed 0.1s/10 ch maximum
Measurement Voltage 20, 50, 100, 200, 500mV; 1, 2, 5, 10, 20, 50V; 1-5 V F.S.
ranges
Temperature
Humidity 0 to 100% (voltage 0V to 1V scaling conversion) *with B-530 (option)
Voltage 0.1% of F.S.
Measurement
accuracy*1
Temperature
(23°C 5°C
*1
When 30 minutes or more
have elapsed after power
was switched on
Sampling 1s
Filter ON (10)
GND connected
Reference contact compensation accuracy Internal/External switching
A/D converter 16 bits (out of which 14 bits are internally acknowledged)
Temperature coefficient Gain: 0.01% of F.S./°C
1M
Input resistance
Within 300
Allowable signal source resistance
Maximum permissible Between +/– terminals: 60Vp-p
input voltage
Between input terminal/input terminal: 60Vp-p
Between input terminal/GND: 60Vp-p
Withstand voltage Between input terminal/input terminal: 1 minute at 350Vp-p
Between input terminal/GND: 1 minute at 350Vp-p
Between input terminal/GND: At least 50M
Insulation resistance
At least 90dB (50/60Hz; signal source 300
Common mode rejection ratio
Noise At least 48dB (with +/– terminals shorted)
Filter Off, 2, 5, 10, 20, 40
Filter operation is on a moving average basis.
The average value of the set sampling count is used.
Thermocouples: K, J, E, T, R, S, B, N, W (WRe5-26)
Resistance temperature detector: Pt100, JPt100, Pt1000 (IEC751)
Thermocouple*2
Type
R/S
R: 300
S: 300
B
K
E
T
J
N
W
Reference contact compensation accuracy
*2: Thermocouple diameters T: 0.32
Resistance temperature detector
Type
Pt100 -200 to 850°C (FS=1050°C)
JPt100 -200 to 500°C (FS=700°C)
Pt1000 -200 to 500°C (FS=700°C)
5%
Description
Measurement Temperature Range
0 Ts 100
100 Ts 300
Ts 1600
Ts 1760
400 Ts 600
600 Ts 1820
200 Ts 100
100 Ts 1370
200 Ts 100
100 Ts 800
200 Ts 100
100 Ts 400
200 Ts 100
100 Ts 100
100 Ts 1100
0 Ts 1300
0 Ts 2000
, others: 0.65
Measurement Temperature Range
(at 500VDC)
or less)
Measurement Accuracy
5.2°C
3.0°C
(0.05% of rdg +2.0°C)
(0.05% of rdg +2.0°C)
3.5
(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 +1.0°C)
(0.1% of rdg +1.5°C)
0.5°C
Applied current Measurement Accuracy
1mA (0.05% of rdg +0.5°C)
1mA (0.05% of rdg +0.5°C)
0.2mA (0.05% of rdg +0.5°C)
40