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Address: 27P , Block B , Duhui 100 , Zhonghang Road , Futian District , Shenzhen , China
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High Alumium Industrial Thermocouples Liquid Level Gauge WRR2-120
assembly-type thermocouple
As the sensor of the temperature measurement, assembly-type thermocouple is used with displays, recorders and electrical adjuster completely. It can measure the temperature of liquid, vapor, gas and the surface of solid from 0℃ to 1800℃ directly. According to national regulation, we have manufactured copper- copper nickel, iron-copper nickel etc. type of thermocouple since 1987. They are all in line of IEC international standard graduation.
category | mode | graduation | range | Allowable error(△t℃) |
| Platinum 30%rhodium－Platinum 6%rhodium | WRR | B | 0-1800 | ±1.5℃ or ±0.0025∣t∣ |
| Platinum 10%rhodium－platinum | WRP | S | 0-1600 | ±1.5℃ or ±0.0025∣t∣ |
| chromel－nisiloy | WRN | K | 0-1300 | ±2.5℃ or ±0.0075∣t∣ |
| chromel－copper nickel | WRE | E | 0-800 | ±2.5℃ or ±0.0075∣t∣ |
| Thermocouple type | model | graduation | Temp range oC | Specs | Response time T0.5S | |
Dia mm | Protection casing matertial | |||||
| Single PtRh30-PtRh6 | WRR-120 | B | 0~1600 | Φ16 | corundum | <150 |
| WRR-121 | Φ25 | <360 | ||||
| Double PtRh30-PtRh6 | WRR2-120 | Φ16 | <150 | |||
| WRR2-121 | Φ25 | <360 | ||||
| Single PtRh10-Pt | WRP-120 | S | 0~1300 | Φ16 | High alumium | <150 |
| WRP-121 | Φ25 | <360 | ||||
| Double PtRh10-Pt | WRP2-120 | Φ16 | <150 | |||
| WRP2-121 | Φ25 | <360 | ||||
| Single NiCr-NiSi | WRN-122 | K | 0~1100 | Φ16 | High alumium | <240 |
| WRN-123 | 0~1200 | Φ20 | ||||
| doubleNiCr-NiSi | WRN2-123 | 0~1100 | ||||
| Single PtRh30-PtRh6 | WRR-130 | B | 0~1600 | Φ16 | corundum | <150 |
| WRR-131 | Φ25 | <360 | ||||
| Double PtRh30-PtRh6 | WRR2-130 | Φ16 | <150 | |||
| WRR2-131 | Φ25 | <360 | ||||
| Single PtRh10-Pt | WRP-130 | S﹡ | 0~1300 | Φ16 | High alumium | <150 |
| WRP-131 | Φ25 | <360 | ||||
| Double PtRh10-Pt | WRP2-130 | Φ16 | <150 | |||
| WRP2-131 | Φ25 | <360 | ||||
| Single NiCr-NiSi | WRN-133 | K | 0~1200 | Φ30 | High alumium | <240 |
| double NiCr-NiSi | WRN2-133 | 0~1100 | ||||
016(single layer) | 020 | 025(double -layer) | |||
total length L | Placed-depth l | total length L | placed-depth l | total length L | placed-depth l |
300 | 150 | 400 | 250 | 550 | 400 |
350 | 200 | 450 | 300 | 650 | 500 |
400 | 250 | 550 | 400 | 900 | 750 |
450 | 300 | 650 | 500 | 1150 | 1000 |
550 | 400 | 900 | 750 | 1650 | 1500 |
650 | 500 | 1150 | 1000 | 2150 | 2000 |
900 | 750 | 1650 | 1500 | ||
1150 | 1000 | 2150 | 2000 | ||
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