I. Product Overview
The radial bimetal thermometer combines two kinds of metal with different linear expansion coefficient together, one end is fixed, when the temperature changes, the thermal expansion of two kinds of metal is different, driving the pointer deflection to indicate the temperature, this is the radial bimetal thermometer, the temperature measurement range is -80~600C, it is suitable for industrial accuracy is not high when the temperature measurement. As a temperature sensing element, bimetallic sheet can also be used for automatic temperature control.
Two, the main characteristics
On-site display temperature, intuitive and convenient; Safe and reliable, long service life; Various structure forms can meet different requirements.
Three, the working principle
Radial bimetal thermometers are based on bimetal sheets that are wound into a circular curve. When one end is heated and expanded, it drives the pointer to rotate and the working instrument shows the temperature value.
Four, technical parameters
1. Nominal diameter of scale dial: 60,100,150
2, accuracy grade: 1.0, 1.5
3, thermal response time: ≤40S
4. Protection grade: IP55
5, Angle adjustment error: Angle adjustment error should not exceed 1.0% of its range
6, return error: bimetal thermometer return error should not be greater than the basic error limit J.D value
7, repeatability: bimetal thermometer repeatability limit range should not be greater than the basic error limit J.D value of 1/2
Five, temperature range
| Measuring range ℃ | Scope of application | |
| Industry, commerce | Laboratory, small scale | |
| - 80 ~ + 40 | Square root | Square root |
| - 40 ~ + 80 | Square root | Square root |
| 0 ~ 100 | Square root | Square root |
| 0 ~ 200 | Square root | Square root |
| 0 ~ 300 | Square root | Square root |
| 0 ~ 400 | Square root | Square root |
| 0 ~ 500 | Square root | Square root |
| 0 ~ 550 | Square root | Square root |
| 0 ~ 600 | Square root | Square root |
Six, dimensions
| In the form of | A | B | C | E | L | d |
| The axial type | 65 | 23 | 73 | - |
75 100 150 200 300 400 500 750 1000 |
Φ 6 Φ 8 Φ 10 |
| 105 | 23 | 73 | - | |||
| 155 | 23 | 73 | - | |||
| The radial type | 65 | 50 | 110 | 34 | ||
| 105 | 50 | 110 | 34 | |||
| 105 | 50 | 110 | 34 | |||
| 135 ° to type | 105 | 23 | 85 | - | ||
| 155 | 23 | 85 | - | |||
| Universal type | 105 | 23 | 178 | 120 | ||
| 155 | 23 | 178 | 120 |
7. Selection coding
| Series no. | WSS |
|
Bimetal thermometer | ||||||||
| Nominal dial diameter | - 3 |
|
Φ 60 | ||||||||
| 4 - |
|
Φ 100 | |||||||||
| - 5 |
|
Φ 150 | |||||||||
| Dial form | 0 |
|
Axial (straight) | ||||||||
| 1 |
|
Radial (angular) | |||||||||
| 2 |
|
135° direction (obtuse Angle) | |||||||||
| 8 |
|
Universal (adjustable Angle type) | |||||||||
| Mounting fixed form | 0 |
|
No fixing device | ||||||||
| 1 |
|
Movable external thread | |||||||||
| 2 |
|
Movable internal thread | |||||||||
| 3 |
|
Fixed screw thread | |||||||||
| 4 |
|
Fixed flange | |||||||||
| 5 |
|
Card sets of thread | |||||||||
| 6 |
|
Card flange | |||||||||
| Protect the form |
|
|
ordinary | ||||||||
| W |
|
protected | |||||||||
| F |
|
Anti-corrosion type | |||||||||
Eight, radial model radial bimetal thermometer model parameters
| model | Temperature measurement range | Precision grade | Protective tube material | specifications | Mounting fixed form | |
| D | L | |||||
| WSS-310 |
- 40 ~ + 80 0 ~ 50 0 ~ 100 0 ~ 150 0 ~ 200 0 ~ 300 0 ~ 400 0 ~ 500 0 ~ 600 |
1.5 |
1Cr18Ni9Ti 304 316 316L Hartz C - 276 |
Φ 60 |
75 10
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