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Help CenterJ/K/T/E/R/S/B Type Thermocouple Signal to RS232 or RS485 Converter
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Themalcouple A-D Converter Technical Parameter:
(typical @ +25℃，Vs is rated value)
Input: Thermocouple: J type: 0℃～760℃，K type: 0℃～1000℃，T type:-100℃～400℃，
E type:0℃～1000℃，R type: 500℃～1750℃，S type:500℃～1750℃，B type: 500℃～1800℃
(Input type can be set through software)
Accuracy: @+25℃ as shown in Table 1.
Input Imbalance: ±0.02 uV/℃
Temperature Drift: ±1 ppm/℃(±3 ppm/℃, Max.)
Input Resistance: 100 M Ω
Band width: thermocouple -3 dB 3.27 Hz
Switching rate: thermocouple 3.76 Sps
Common mode restraint (CMR): 120 dB(1kΩ Source Imbalance @ 50/60 Hz)
Normal mode restraint (NMR): 60 dB (1kΩ Source Imbalance @ 50/60 Hz)
Input terminal protection: 240Vrms, sustainable
ANSI/IEEE C37.90.1-1989 transient protection
Cold Junction Compensation Sensor
Accuracy： @+25℃ ±0.25℃ (±0.75℃, Max.)
Accuracy： +5℃～+45℃ ±0.5℃ (Non-linearity ±0.0125℃/℃)
Communication: RS-485 interface or RS-232 interface；ASCII character protocol and MODBUS RTU communication protocol. Baud rage(300bps、600 bps、1200 bps、2400 bps、4800 bps、9600 bps、19200 bps、38400bps)(can be set through software).
Address (00H~FFH)can be set through software
Response time: 100 ms Max.
Operation Power Supply：+8 ～ 50 VDC wide range power，internal anti-inverse connection and over-voltage protection circuit.
Power Consumption：≤1W
Operation Temperature：- 45 ~ +85℃
Operation Humidity：10 ~ 90% (no dew)
Storage Temperature：- 45 ~ +85℃
Storage Humidity：10 ~ 95% (no dew)
Isolation Withstand Voltage： 3KVDC between input and output，1 minute，stray current 1mA, Output and power are common-ground
Endure Impact Voltage： 3KVAC， 1.2/50us(peak value)
Dimension：101 mm x 23 mm x 116.5 mm
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