Location -> Products -> Temperature -> Thermocouple and Thermal Resistance -> Assembly Thermocouple
Type：assembly thermocouple
Illustrate：It is usually connected with displaymeter, recording meter and computer, etc. to directly measure temperature of liquid, vapor, gas and solid surface ranging from 0C to 1300C during various production process.
Assembly thermocouple
Application
It is usually connected with displaymeter, recording meter and computer, etc. to directly measure temperature of liquid, vapor, gas and solid surface ranging from 0C to 1300C during various production process.
Features
Easy assembly and convenient to replacement
Spring thermal element with good shock-proof performance
Wide measuring range
High mechanical strength, good pressure-resistant
Operation theory
Executive standard
IEC 584
GB/T 16839-1997
JB/T 5582-1991
Insulation resistance at normal temperature
The insulation resistance between electrode and protection tube of assembly thermocouple shall be no less than 1000Ω.m under condition that environment temperature is 20 ±15C, Relative humidity is no more than 80%, and testing voltage is D.C.500 ±50V.
Measuring range and tolerance
|
Name |
Type |
Graduation | Tolerance class | ||||||
|
Tolerance value |
Measuring range C |
Tolerance value |
Measuring range C |
||||||
| NiCr-NiSi | WRN | K | ± 1.5C | -40~+375 | ± 2.5C | -40~+333 | |||
| ± 0.004|t| | 375~1000 | ± 0.0075|t| | 333~1200 | ||||||
| NiCrSi-NiSi | WRM | N | ± 1.5C | -40~+375 | ± 2.5C | -40~+333 | |||
| ± 0.004|t| | 375~1000 | ± 0.0075|t| | 333~1200 | ||||||
| NiSi- konstantan | WRE | E | ± 1.5C | -40~+375 | ± 1.5C | -40~+333 | |||
| ± 0.004|t| | 375~800 | ± 0.004|t| | 333~900 | ||||||
| Fe- konstantan | WRF | J | ± 1.5C | -40~+375 | ± 1.5C | -40~+333 | |||
| ± 0.004|t| | 375~750 | ± 0.004|t| | 333~750 | ||||||
| Cu- konstantan | WRC | T | ± 1.5C | -40~+125 | ± 1.0C | -40~+133 | |||
| ± 0.004|t| | 125~350 | ± 0.0075|t| | 133~350 | ||||||
| PtRh30-Pt6 | WRR | B | ± 1.3C | 0~1800C | ± 2.5C | ||||
| PtRh13-Pt | WRQ | R | ± 1.5C | 0~1600C | |||||
| PtRh10-Pt | WRP | S | ± 1.5C | 0~1600C | |||||
Connection type: anti-spray type and water-proof type
Type naming method
| W | Temperature instrument | |||||||
| R | thermocouple | |||||||
| Thermal element material | ||||||||
| N | NiCr-CuSi | |||||||
| M | NiCrSi-NiSi | |||||||
| E | NiCr-CuSi | |||||||
| C | Cu-CuNi | |||||||
| F | Fe-CuNi | |||||||
| Filament | ||||||||
| Blank simplex | ||||||||
| 2 | Duplex | |||||||
| Mounting &fixing | ||||||||
| 1 | Without fixing device | |||||||
| 2 | Threaded connector | |||||||
| 3 | Movable flange | |||||||
| 4 | Fixed flange | |||||||
| 5 | Elbow tube connection | |||||||
| 6 | Threaded cone connection | |||||||
| 7 | Straight tube connection | |||||||
| 8 | Fixed threaded tube connection | |||||||
| 9 | Movable threaded tube connection | |||||||
| Junction box | ||||||||
| 2 | Anti-spray type | |||||||
| 3 | Water-proof type | |||||||
| Protection tube diameter | ||||||||
| 0 | Φ16 | |||||||
| 1 | Φ20 | |||||||
| 2 | Φ16 high Al content tube | |||||||
| 3 | Φ20 high Al content tube | |||||||
| Measuring end | ||||||||
| G | Variable cross section | |||||||
| W | R | N | 2 | 2 | 3 | 1 | G | Model example |
Type and specification: thermal element
| Description | Type | Graduation | Measuring range ℃ | Specification | |
| d | L | ||||
| NiCrSi-NiSi |
WRM-101 WRM2-101 |
N | 0~1000 |
Φ3 Φ4 Φ5 Φ6 Φ8 |
310 360 410 460 510 560 660 910 1160 |
| NiCr-NiSi |
WRN-101 WRMN-101 |
K | |||
| NiCr-CuSi |
WRME101 WRE2-101 |
E | 0~800 | ||
| Cu-CuSi |
WRC-101 WRC2-101 |
T | 0~350 | ||
| Fe-CuNi |
WRF-101 WRF2-101 |
J | 0~600 | ||
Last：thermocouple without fixing dev.. Next：thermocouple with right angle e..
