It comprises a glass insert and a protecting case mainly used to measure the temperature of machines , pipelines and some containers.

    Types: JWN-11 (straight), JWN-12 (90 dgree angle), JWN-13 (135

degree angle)

Feature of Glass inserts  

• The top is sealed with plaster and cork; the accuracy is controlled in ±1 line. 
• The testing comply with DIN16195 JJG130-2004
• Temperature Range: (-30-50 / 0-50 / 0-100 / 0-120 / 0-160 / 0- 200 / 0-300 / 0-400) °C
• Fillings: organic liquid(Y), mercury (G)
• Scale division: 1°C, 2°C, 5°C
• Scale board: white, aluminum

2)  Feature of casing

• Length : 130mm, 150mm, 160mm, 200mm, 220mm, 250mm
• Diameter: 20mm, 25mm
• Material of protecting case: brass, carbon steel or stainless steel

3)  Feature of the stem

• Length of stem: 50mm, 60mm, 80mm, 100mm, 120mm, 160mm, 200mm, 250mm, 300mm, 400mm
• Thread: 3/8", 1/2", 3/4", M16 x 1.5, M20 x 1.5, M27 x 2

4) Standard (DIN or JB/T)

• DIN16167, DIN16168, DIN16174, DIN16175, DIN16176, JB/T9262-1999, JB/T9263.2-1999, JB/T9263.3-1999