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Temperature Transmitter
- Introduction:
- AST3002 can be installed into thermocouple or RTD junction box to integrated structure
- Suitable for resistance temperature detectors (RTD), thermocouples (TC), resistance and voltage signal input to measure the temperature of solid surface, liquid and gas medium within -200 to 1800°C
- Transmitter features wide measurement range and high accuracy with silicon-rubber, or epoxy resin sealing structure, so it has good performance of shock resistance, resistance to wet, and anti-interference, which is suitable for bad industrial environment
- Applications:
- Standards: RTD/TC
- Ohms and mV signal
- 2-, 3-, and 4-wire RTD input
- Two wire, 4-20mA current output
- Specifications:
- Power supply:
- Transmitter operates between 14 and 45V DC, by the distributor or regulated power supply, and the general work power is 24V DC
- Electronic isolation:
- Sensor signal input and output isolation (isolation voltage up to 2000V DC)
- Resistance to industrial frequency interference, to ensure that the transmitter work reliably in bad industrial environment
- Configuration:
- HART device configurator, software support HART protocol
- Cold-junction compensation
- Built-in cold junction compensation, compensation accuracy ±0.5°C of span
- Sensor input type:
- RTD type Pt100/Pt500/Pt1000/Cu50/Cu100
- TC type B/E/J/K/N/R/S/T
- Resistance 0-400Ω/0-2000Ω
- Voltage: -60 to +60mV/-120 to +120mV
- Some non-standard thermocouples can be customized
- Power supply:
- Load characteristics:
- Load characteristics: RL≤ (Vs-14V)/0.022
- RL- maximum load resistance vs power supply
- HART communication requires a loop resistance (including signal receiving resistance and signal transmission wire resistance), between 230 and 600 ohms
- Operating temperature: -25 to 75°C
- Electrical damping: 0.1-16s to choose
- Output: 4-20mA (maximum 22mA and minimum 3.8mA)
- Communication: HART or UART
| Ordering Information | |
| Code 1 H Code 2 A Code 3 0 1 Code 4 H5 U2 Code 5 P100 P500 P1K C50 C100 B E J K N R S T R400 R2K M60 M120 Code 6 W0 W2 W3 W4 | Transmitter type Head mount Output 4 to 20mA DC Drift compensation No compensation mV 120 input compensation Communication HART UART Factory default sensor input Pt100 RTD PT500 RTD Pt1000 RTD Cu50 RTD Cu100 RTD TC type B TC type E TC type J TC type K TC type N TC type R TC type S TC type T 0 to 400Ω resistance 0 to 2000Ω resistance -60 to 60mV voltage -120 to120mV voltage Factory default connection TC input RTD 2-wire RTD 3-wire RTD 4-wire |
| Ordering example: AST3002-H A 1 H5 P100 W3 (H): transmitter type: head mount (A): output: 4 to 20mA DC (1): drift compensation: mV 120 input compensation (H5): communication: HART (P100): factory default sensor input: Pt100 RTD (W3): factory default connection: RTD 3-wire | |
