DT9502
62 20171205-V3
10. Appendix
10.1. Technical specifications
Intrinsic safety data
Certification: BKI 15 ATEX 0028 X, BKI 15 ATEX 0028 X/1
Marking: II 1G Ex ia IIC T4 Ga -20 °C < Ta < 60 °C
Ex safety data
U
i
I
i
P
i
Ci Li
Supply and signal circuit
30 V 100 mA 0.75 W 48 nF
0
Uo
Io Po Co Lo
Pt100 Temperature
sensor
6.6 V 9 mA 15 mW 2 μF 10 mH
Ui Ii Pi Ci Li Uo Io Po
Limit outputs
10 V 16 mA 40 mW
0 0
6.6 V 0.2 mA 0.2 mW
Input parameters
Input signal: the resistance of the measuring probe Pt100,
α=0.00385
Connecting to the sensor: 3/4 wires
Wire resistance: ≤50 Ω 400 °C-ig, ≤10 Ω 600 °C-ig
Display range: -200 – +600 °C
Measuring current: 800 μA
Sampling rate: 15 measurements / second
Number of averaged samples: 1; 2; 4; 8; 16, 32 (adjustable)
Measurement error: <0.3 °C (-200 – +400 °C)
<0.4 °C (+400 – +600 °C)
referring to the nominal resistance value
Display / manual controls
Display unit: LCD, 4 ½ digit, 7 segments
decimal point and negative sign
Character height: 20.5 mm
Displayable temperature range: -200.0 – +600.0 °C
Resolution: 0.1 °C
Display refresh time: 0.1; 0.3; 0.5; 1.0; 2.0 sec ( adjustable)
Manual controls: 3 membrane push-buttons on the front cover
Power supply
Loop feeding: 12-30 V; protection against reverse polarity
Current range (transmitter
function):
4-20 mA
The serial resistance of the
feeding:
max. (Ut[V] - 12 V) / 0.021 A