Sensor with 4-20mA loop powered transmitter and display

UNIVERSAL DIN RAIL TRANSMITTER

INPUTS


INPUT RANGE ACCURACY
(Note 1)
K (-200 to 1370) °C
J (-100 to 1200) °C
E (-100 to 1000) °C
N (-180 to 1300) °C
T (-100 to 400) °C
R(-10 to 1760) °C ± 0.5 °C ±0.1 % of FSR 
(Note 2)
0.1 % of FSR ±0.5 °C
(type T 0.2 % FSR. ± 0.5 °C)
S (-10 to 1760) °C ± 0.5 °C ±0.1 % of FSR 
(Note 2)

STABILITY
(Note 6)
O/C

CJ
(Note 3)
Sensor
excitation
(Note 4)
± 0.01 % of FSR / °C Yes - 1 MΩ
P
(-200 to 850) °C ± 0.1 °C / ±0.05 % of rdg ± 0.005 % of FSR / °C
Yes
No <450 uA

Key Rdg = Reading ; FSR = Full Scale Range ; O/C = programmable open circuit sensor detect; CJ = Cold junction error

Notes 1. Accuracy for PT100 and T/C do not include sensor and cold junction errors.
2. Only over the range (800 to 1600) °C
3. Cold junction range (-20 to 70) °C, Accuracy ± 0.5 °C , Tracking ± 0.05 °C
4. PT100 input Maximum lead resistance 20 R, Lead effect 0.015 °C / Ω.
5. Impedance – not including 0.2 uA open circuit detect bias current effect.
6. Ambient (-10 to 50) °C

OUTPUT

Type Two wire current sink; signal range (4 to 20) mA; full range (3.8 to 24) mA
Supply (15 to 30) V dc , 24 V nominal giving Max loop load of 450 R @ 24 V
Response time < 500 ms to reach 95 % of final value ; Start up time < 3 s
Calibration Accuracy ± 5 uA
Loop Effects Loop ripple 0.03 % of FSR; Supply sensitivity 0.05 uA / °C ; supply ripple rejection < ± 5 uA error @ 1 V
rms 50 Hz ripple
Protection Reverse connection and over-voltage protection. Max over voltage current 100 mA.
User Trim Raise and lower buttons, active for offset when output is between (3.8 to 6) mA, Span between (18 to 22)
mA. Trim lock option.
Stability ± 5 uA / °C.

GENERAL

Isolation Input to output tested at 500 V dc.
Ambient operating (-40 to 85) °C (10 to 95) % RH non condensing. Storage (-40 to 85) °C
Approvals CE tested to BS EN 61326
Protection IP67 when used with SCH4 head
Display 4 Digit seven segment Red LED Height 7.3 mm
Display Resolution 0.1 °C , 0.1°F, or 0.00 mA
Display Errors
Err (sensor error) ; Flash OUER (over range) Flash UNDR ( under range)

SPECIFICATION @ 20 °C
IMPEDANCE
(Note 5)