Product Application
Suitable for production sites where temperature gradients are not significant and multiple locations or positions need to be measured simultaneously. Widely used in large fertilizer synthesis towers, storage tanks, and other devices.
Technical Parameter
Electrical outlet: M20 × 1.5, NPT1/2
● Thermal response time: ≤ 8S
● Protection level: IP65
● Wire diameter: Φ 3
Model and specifications

| model | Graduation | Temperature measurement range ℃ | Temperature measurement points | Protective tube material |
| HR-WRNK-230D | K | 0~1000 | 2~14 | GH3030 |
| 0~800 | 1Cr18Ni9Ti | |||
| HR-WREK-230D | E | 0~600 | 1Cr18Ni9Ti | |
| HR-WRNK-430D | K | 0~1000 | GH3030 | |
| 0~800 | 1Cr18Ni9Ti | |||
| HR-WREK-430D | E | 0~600 | 1Cr18Ni9Ti | |
| HR-WZPK-430D | Pt100 | -200~+450 |
★ Selection Notice
1) Model 5) Installation and fixing form
2) Index number 6) Material of protective tube
3) Accuracy level 7) Length or insertion depth
4) Number of thermocouple points
Example A: Multi point thermocouple, K-type, 3 points. Grade I, fixed thread M20 × 1.5, L1=1200,L2=1500,L3=2000。WRNK-220D3, K, Grade I L1=1200, L2=1500, L3=2000, thread M20 × 1.5.
Installation fixed form

| Temperature measurement points | M | D | H | h | S | d |
| 2~6 | M33×2 | Φ48 | 33 | 5 | 36 | Φ20 |
| 7~12 | M42×2 | Φ58 | 38 | 5 | 46 | Φ22 |

| Temperature measurement points | D | D1 | D2 | H | D0 | d |
| 2~6 | Φ105 | Φ75 | Φ55 | 16 | Φ14 | Φ20 |
| 7~12 | Φ115 | Φ85 | Φ65 | 16 | Φ14 | Φ34 |
