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Yudian Universal Scanner

 Ai702  Ai704 AI706
 AI-702M
2-channel Scanner
  AI-704M
4-channel Scanner
  AI-706M
6-channel Scanner
  • TECHNICAL SPECIFICATION
  • Input:
  • Thermocouples: K, S, R, E, J, T, B, N and WRe5-WRe26 (with J1 module)
  • Two-wire RTDs: PT100, Cu50, 0-80Ohm, 0-400Ohm (with J2 module that supports 2 inputs)
  • Three-wire RTDs: PT100, Cu50, 0-80Ohm, 0-400Ohm (with J0 module that supports 1
  • inputs)
  • Linear mV voltages: 0-20mV, 0-50mV, 0-100mV, 0-1V (with J1 module)
  • Linear voltage: 0-1V, 0-3V, 0-5V, 1-5V etc. (with J3 module)
  • Linear current: 0-12mA, 0-20mA, 4-20mA etc. (with J4 module)
  • Extraction calculation input: 1-5V, 4-mA etc. (with J3 voltage and J4 current input module)
  • Two-wire transmitter inputs: connect to 4-20mA two-wire transmitter (with J5 module that
  • provides 24VDC power supply)
  • Maximum lead wire resistance for RTD input
  • 2-wire type RTDs: 2 Ohm for Pt100 or 0-400Ohm RTD input,1 Ohm for Cu50 or 0-200Ohm
  • RTD input;
  • 3-wire type RTDs: 5 Ohm
  • Measurement range:
  • K(0~1300℃), S(0~1700℃), R(0~1700℃), T(-200~+350℃), E(0~1000℃),
  • J(0~1200℃), B(0~1800℃), N(0~1300℃), WRe5-WRe26(0~2300℃),
  • Pt100(-200~+800℃), Cu50(-50~+150℃)
  • Linear input:-1999~+9999 set by user
  • Measurement accuracy:±0.2%FS±1digit or ±0.3%FS±1digit (only for Cu50)
  • Note 1: For thermocouple inputs with internal cold junction compensation, 1℃ CJC error
  • should be taken into consideration. For those with Cu resistor, ice point or thermostat bath
  • compensation, the accuracy is as above.
  • Note 2: Accuracy is not guaranteed between 0 and 600℃ for type B thermocouple input.
  • Temperature drift : ≤0.01%FS/℃ (typical 50ppm/℃)
  • Electromagnetic compatibility: IEC61000-4-4, ±4KV/5KHz; IEC61000-4-5, 4KV
  • Isolation withstanding voltage:
  • between power, relay contact and signal terminals ≥ 2300VDC;
  • between isolated eletroweak signal terminals ≥ 600VDC
  • Response time:≤1.5 seconds(if digital filter parameter is set as 0 or 1)
  • Automatic pilot time interval:approx. 1.2s or 2s configurable
  • Alarm function:high and low alarm,configurable separately for each channel
  • Alarm output:
  • relay contact output(NO or NC):250VAC/1A or 30VDC/1A
  • no contact discrete output(NO or NC):250VAC/0.3A(transient current 1A)
  • Power supply: 100~240VAC/50Hz
  • Power consumption:≤6W
  • Work ambience:temperature -10~+60℃, humidity ≤ 90%RH

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