Second, the main technical parameters
(a) BWY (WTYK) - 803, 802 type
1, normal working conditions: ambient temperature -20 °C ~ +55 °C
                 Relative humidity 5%~95%
2. Measurement range: (0—100)°C (0—120)°C (0—150)°C
3, indicating degree: 1.5
4、Temperature measuring components: Dimensions of external package (Φ14×150)mm, material is stainless steel, mounting thread M27×2
5. Switching performance: Setting range: full scale Setting degree: ±3°C Switching difference: (6±2)°C
                  Rated power: AC 250V 3A DC 250V 50W
                  Standard set point: 803 K1=55°C K2=65°C K3=80°C   
                                802 K1=55°C K2=80°C
6, instrument installation size: compatible with WTYK-02, see the outline drawing.
 
7, outdoor performance: thermostat waterproof, waterproof performance of GB4208-93 IP55 in the provisions.
 
(B) BWY (WTYK) - 803, 802 (TH) type
      1~6 and the same
      Outdoor performance: in line with GB/T2433.3-93 "Basic Environmental Test Specifications for Electrical and Electronic Products Test Ca:
                Constant Moisture Heat Test Method" Mildew resistance of exposed parts.
(c) BWY (WTYK) - 803, 802A (TH)
      Same as above, with Pt 100 platinum resistance output. 
 
XMT series thermometer
       1. Display method: three and a half digits
       2. Display error: ± (0.5% F.S+1 words) ± (1% F.S+1 words) second gear
       3. Set point deviation: less than ± 1% FS
       4 control point insensitive area: less than ± 0.5% FS
       5. Output signal error: less than ± 1% FS
       6. Output contact capacity: AC220V 3A (resistive load)
       7.Temperature coefficient: deviation from 20°C±2°C in the range of 0°C-50°C
                  Its temperature coefficient is less than 0.05%/°C
       8. Industrial power supply: 220V ± 10% 50Hz, power consumption is less than 5W
       9. Working environment: non-corrosive gas with temperature 0°C-50°C and relative humidity ≤85%
       10. Dimensions: 160×80×150 Hole size: 152 +1 ×76 +1
       11. Weight: about 3kg