1. Ambient temperature: 
-40?85 degrees, minimum to -50?85 degrees; 
  can be connected with PT100 (2-wire, 3-wire or 4-wire) or thermocouple; 
 a. Resistor 
  RTD resistance: PT100 according to DIN IEC 60751, JIS , MIL; Ni according to DIN 43760; Cu 
  resistance value: 0-500Ω0-5000Ω 
  sensor connection: 2-wire, 3-wire, 4-wire system 
b. Thermocouple / voltage 
  division number: B, E, J, K, L, N, R, S, T, U, C, D 
  Measurement accuracy: including linearity, repeatability, hysteresis, at 23oC ± 5K, 20V voltage supply, for PT100, measurement error 0.1K. 
c. Voltage: - 125 mV-125 mV, -125 mV-1100 mV.   Intrinsically 
  safe or flameproof optional; 
  temperature range: fully set before delivery to meet customer needs; 
  with HART protocol, range can be adjusted on site; 
TTF300 
  with LCD display And junction box 
model: TTH200, TTH300 series 
temperature measuring substance: thermocouple thermometer 
temperature system: Celsius thermometer 
display mode: digital 
accuracy: 0.5 ° C and below