WSS
JIECHUANG
Overview
Bimetal thermometers are field detection instruments used to measure medium and low temperatures. They can directly measure the temperatures of various liquids, steam, and gases within the range of -80°C to +500°C during various production processes. Features include on-site temperature display for intuitive convenience, safety, reliability, and long service life, as well as multiple structural forms to meet different requirements.
Working Principle
Bimetal thermometers are based on the composition of bimetallic strips wound into a ring-shaped bend. When one end expands due to heating, it drives the pointer to rotate, and the working instrument displays the temperature value corresponding to the thermal potential.
Technical Parameters
l Product Standards: JB/T8803-1998; GB38369-83
l Nominal Diameter of Dial: 60, 100, 150
l Accuracy Class: (1.0), 1.5
l Thermal Response Time: < 40s
l Protection Level: IP55
l Angle Adjustment Error: The angle adjustment error should not exceed 1.0% of its range.
l Hysteresis: The hysteresis of the thermometer should not exceed the absolute value of the basic error limit.
l Repeatability: The repeatability limit range of the thermometer should not exceed half of the absolute value of the basic error limit.
l Temperature Measurement Range: -80℃ ~ 500℃
l Normal atmospheric conditions for operation:
Environment | Temperature (°C) | Relative Humidity (%RH) |
Sheltered Environment | -25 ~ +25 | 5 ~ 100 |
Outdoor Environment | -40~ +85 | 5 ~ 100 |
l Measurement End Type:
l Dimension table:
Type | A | B | C | E | L | D |
Axial Type | 65 | 23 | 73 | - | 75 100 150 200 300 400 500 750 1000 | ∅6 ∅8 ∅10 |
105 | 23 | 733 | - | |||
155 | 23 | 73 | - | |||
Radial Type | 65 | 50 | 110 | 34 | ||
105 | 50 | 110 | 34 | |||
155 | 50 | 110 | 34 | |||
135° Type | 105 | 23 | 85 | - | ||
155 | 23 | 85 | - | |||
Universal Type | 105 | 23 | 178 | 120 | ||
155 | 23 | 178 | 120 |
Installation and fixation method
● Movable external threaded pipe joint
M | H | SW | ∅6 ∅8 |
M16×1.5 | 12 | 18 | |
M20×1.5 | 16 | 22 | |
M27×2 | 20 | 30 | |
NPT1/4 | 15 | 18 | |
NPT1/2 | 19 | 22 | |
NPT3/4 | 25 | 30 |
● Movable internal threaded pipe joint
M | H | SW | ∅6 ∅8 |
M16×1.5 | 12 | 18 | |
M20×1.5 | 16 | 22 | |
M27×2 | 20 | 30 | |
NPT1/4 | 15 | 18 | |
NPT1/2 | 19 | 22 | |
NPT3/4 | 25 | 30 |
● Fixed threaded joint
M | H | SW | ∅6 ∅8 |
M16×1.5 | 12 | 18 | |
M20×1.5 | 16 | 22 | |
M27×2 | 20 | 30 | |
NPT1/4 | 15 | 18 | |
NPT1/2 | 19 | 22 | |
NPT3/4 | 25 | 30 |
● Compression fitting threaded joint
M | H | SW | d |
M12×1.5 | 15 | 19 | ∅6 |
M16×1.5 | 15 | 22 | ∅8 ∅10 |
M20×1.5 | 16 | 24 |
● Compression fitting flange joint
D | D0 | D1 | SW | d0 | d |
∅60 | ∅42 | ∅24 | ∅22 | ∅9 | ∅8 |
● Fixed flange
D | D0 | D1 | H | d0 | d |
∅105 | ∅75 | ∅55 | ∅16 | ∅14 | ∅8 |
