Omega DRST-UN User Manual page 16

Universal transmitter
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8
Specifications
Cold junction compensation (CJC)
via external sensor in connector 5910
-20...20°C /
28...70°C ≤±2°C
via internal CJC sensor .... ±(2.0°C + 0.4°C * Δt)
Δt = internal temperature - ambient temperature
Sensor error detection, all TC types
Sensor error current:
when detecting .................. Nom. 2 μA
else ...................................... 0 μA
Current input
Measurement range ............ 0...20 mA
Programmable measurement ranges
Input resistance ................... Nom. 20 Ω + PTC 50 Ω
Sensor error detection:
Loop break 4...20 mA ....... Yes
Voltage input
Measurement range ............ 0...12 VDC
Programmable measurement ranges
0...10 and 2...10 VDC
Input resistance ................... Nom. 10 MΩ
Current output
Signal range (span) ............. 0...20 mA
Programmable signal ranges
Load (max.) .......................... 20 mA / 800 Ω / 16 VDC
Load stability ....................... ≤ 0.01% of span / 100 Ω
Sensor error detection ......... 0 / 3.5 / 23 mA / none
NAMUR NE 43 Upscale / Downscale
Output limitation:
on 4...20 and 20...4 mA signals
on 0...20 and 20...0 mA signals
Current limit ........................ ≤ 28 mA
Voltage output
Signal range.......................... 0...10 VDC
Programmable signal ranges
2...10 / 1...0 / 1...0.2 / 5...0 / 5...1 /
10...0 and 10...2 V
Load (min.) ........................... 500 kΩ
Ex / I.S. approval
FM, applicable in ................. Class I, Div. 2, Group A, B, C, D
Class I, Div. 2, Group IIC
Zone 2
Max. ambient temperature for T5
Marine approval:
Det Norske Veritas, Ships & Offshore
20...28°C ≤ ±1°C
Yes
0...20 and 4...20 mA
0...1 / 0.2...1 / 0...5 / 1...5 /
0...20 / 4...20 / 20...0 / 20...4 mA
23 mA / 3.5 mA
3.8...20.5 mA
0...20.5 mA
0...1 / 0.2...1 / 0...10 / 0...5 / 1...5 /
60°C
Standard for Certification No. 2.4
16

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