Product Introduction
WSS seriesBimetal thermometerIt is an on-site detection instrument for measuring low to medium temperatures. Bimetallic thermometers can directly measure the temperature of liquid, vapor, and gas media within the range of -80 ℃ to+500 ℃ in various production processes.
Main features
On site temperature display, intuitive and convenient; Safe and reliable, with a long service life;
Multiple structural forms can meet different requirements.
Working principle
A bimetallic thermometer is composed of bimetallic sheets wound in a circular curved shape. When one end expands due to heat, it drives the pointer to rotate, and the working instrument displays the corresponding temperature value.
Technical Parameter
Execution standards
JB/T8803-1998 GB3836-83
Other
Scale dial nominal diameter: 60100150
Accuracy level: (1.0), 1.5
Thermal response time: ≤ 40S
Protection level: IP55
Angle adjustment error: The angle adjustment error should not exceed 1.0% of its range
Return difference: The return difference of the bimetallic thermometer should not exceed the absolute value of the basic error limit
Repeatability: The repeatability limit range of bimetallic thermometers should not exceed 1/2 of the absolute value of the basic error limit
Measuring range

Measurement range ℃	scope of application
	Industrial and Commercial	Laboratory, small
-80～+40	√	√
-40～+80	√	√
0~50	√	√
0~100	√	√
0~150	√	√
0~200	√	√
0~300	√	√
0~400	√	√
0~500	√	√

Normal working weather conditions

workplace	Temperature ℃	Relative humidity%
sheltered location	-25～+55	5~100
Outdoor places	-40～+85	5~100

Measurement end form

Shape and size

form	A	B	C	E	L	d
Axial type	65	23	73	-	75 100 150 200 300 400 500 750 1000	Φ6 Φ8 Φ10
	105	23	73	-
	155	23	73	-
RADIAL	65	50	110	34
	105	50	110	34
	105	50	110	34
135 ° oriented	105	23	85	-
	155	23	85	-
Universal type	105	23	178	120
	155	23	178	120

Installation fixed form
Movable external threaded pipe joint

M H SW d M16×1.5 12 18 Φ6 Φ8 Φ10 M20×1.5 16 22 M27×2 20 30 NPT1/4 15 18 NPT1/2 19 22 NPT3/4 25 30
Movable internal thread pipe joint
M H SW d M16×1.5 12 18 Φ6 Φ8 Φ10 M20×1.5 16 22 M27×2 20 30 NPT1/4 15 18 NPT1/2 19 22 NPT3/4 25 30
Fixed threaded pipe joint
M H SW d M16×1.5 12 18 Φ6 Φ8 Φ10 M20×1.5 16 22 M27×2 20 30 NPT1/4 15 18 NPT1/2 19 22 NPT3/4 25 30
Card sleeve threaded joint
M H SW d M12×1.5 15 19 Φ6 M16×1.5 15 22 Φ8 M20×1.5 16 24 Φ10

Card sleeve flange joint

D	D0	D1	SW	d0	d
Φ60	Φ42	Φ24	Φ22	Φ9	Φ8 Φ10

Flange

D	D1	D2	H	d0	d
Φ105	Φ75	Φ55	Φ16	Φ14	Φ8 Φ10

Note: ANSI, JB, HG and other standard flanges can be provided.
Selection code

SK-

Xianghong Instrument Company logo

serial number

WSS

Bimetal thermometer

Nominal diameter of dial

-3

Φ60

-4

Φ100

-5

Φ150

Dial form

0

Axial (straight)

1

Radial (angular)

2

135 ° direction (obtuse angle type)

8

Wanxiang (adjustable angle type)

Installation fixed form

0

No fixed device

1

Movable external thread

2

Movable internal thread

3

Fixed thread

4

Flange

5

Ferrule thread

6

Card sleeve flange

Protection form

-

Common

W

Protective type

F

Anticorrosive type

Model and specifications
Axial bimetallic thermometer

model	Measuring range	accuracy class	Protective tube material	specifications		Installation fixed form
				D	L
WSS-300	-80～+40 -40～+80 0~50 0~100 0~150 0~200 0~300	1.5	1Cr18Ni9Ti 304 316 316L Ha Shi C-276	Φ60	75 100 150 200 300 400 500 750 1000	No fixed device
WSS-400				Φ100
WSS-500				Φ150
WSS-301				Φ60		Movable external thread
WSS-401				Φ100
WSS-501				Φ150
WSS-302				Φ60		Movable internal thread
WSS-402				Φ100
WSS-502				Φ150
WSS-303				Φ60		Fixed thread
WSS-403				Φ100
WSS-503				Φ150
WSS-304				Φ60		Flange
WSS-404				Φ100
WSS-504				Φ150
WSS-305				Φ60		Ferrule thread
WSS-405				Φ100
WSS-505				Φ150
WSS-306				Φ60
WSS-406				Φ100		Card sleeve flange
WSS-506				Φ150

Radial bimetallic thermometer

model	Measuring range	accuracy class	Protective tube material	specifications		Installation fixed form
				D	L
WSS-310	-80～+40 -40～+80 0~50 0~100 0~150 0~200 0~300 0~400 0~500	1.5	1Cr18Ni9Ti 304 316 316L Ha Shi C-276	Φ60	75 100 150 200 300 400 500 750 1000	No fixed device
WSS-410				Φ100
WSS-510				Φ150
WSS-311				Φ60		Movable external thread
WSS-411				Φ100
WSS-511				Φ150
WSS-312				Φ60		Movable internal thread
WSS-412				Φ100
WSS-512				Φ150
WSS-313				Φ60		Fixed thread
WSS-413				Φ100
WSS-513				Φ150
WSS-314				Φ60		Flange
WSS-414				Φ100
WSS-514				Φ150
WSS-315				Φ60		Ferrule thread
WSS-415				Φ100
WSS-515				Φ150
WSS-316				Φ60
WSS-416				Φ100		Card sleeve flange
WSS-516				Φ150

135 ° directional bimetallic thermometer

model	Measuring range	accuracy class	Protective tube material	specifications		Installation fixed form
				D	L
WSS-420	-80～+40 -40～+80 0~50 0~100 0~150 0~200 0~300 0~400 0~500	1.5	1Cr18Ni9Ti 304 316 316L Ha Shi C-276	Φ100	75 100 150 200 300 400 500 750 1000	No fixed device
WSS-520				Φ150
WSS-421				Φ100		Movable external thread
WSS-521				Φ150
WSS-422				Φ100		Movable internal thread
WSS-522				Φ150
WSS-423				Φ100		Fixed thread
WSS-523				Φ150
WSS-424				Φ100		Flange
WSS-524				Φ150
WSS-425				Φ100		Ferrule thread
WSS-525				Φ150
WSS-426				Φ100		Card sleeve flange
WSS-526				Φ150

Universal bimetallic thermometer

model	Measuring range	accuracy class	Protective tube material	specifications		Installation fixed form
				D	L
WSS-480	-80～+40 -40～+80 0~50 0~100 0~150 0~200 0~300 0~400 0~500	1.5	1Cr18Ni9Ti 304 316 316L Ha Shi C-276	Φ100	75 100 150 200 300 400 500 750 1000	No fixed device
WSS-580				Φ150
WSS-481				Φ100		Movable external thread
WSS-581				Φ150
WSS-482				Φ100		Movable internal thread
WSS-582				Φ150
WSS-483				Φ100		Fixed thread
WSS-583				Φ150
WSS-484				Φ100		Flange
WSS-584				Φ150
WSS-485				Φ100		Ferrule thread
WSS-585				Φ150
WSS-486				Φ100		Card sleeve flange
WSS-586				Φ150

remarks:
Selection notice: Please provide the model, dial diameter, accuracy level, installation and fixing form, temperature measurement range, protective tube material, length or insertion depth. Example of selection: Universal bimetallic thermometer, dial diameter Φ 100, temperature measurement range 0-400 ℃, 1.5 levels, movable external thread M27 × 2, length 450mm WSS-481, 0-400 ℃, L=450, M27 × 2, 1.5 levels