Mechanical

temperature measurement

Machine glass thermometers

Model 32, V-Form
WIKA data sheet TM 32.02

for further approvals

see page 5

Applications

■■ Universal application
■■ Machine building
■■ Vessel construction
■■ Central and large heating systems
■■ Plant construction

Special features

■■ Insensitive to vibrations
■■ Non-toxic thermometric liquid
■■ Measuring ranges from -30 ... +200 °C

Machine glass thermometer model 32

Fig. left: Straight design
Fig. right: 90° angle version

Description

The model 32 machine glass thermometer is mainly used in

industrial applications such as machine building and also in
heating, air-conditioning and refrigeration technology.

It is notable for its high accuracy and very long service life
(since there is no mechanical wear).

WIKA data sheet TM 32.02 ∙ 08/2014 Page 1 of 5

Standard version Nominal size 110 x 30 mm

Nominal size in mm Connection type

110, 150 and 200 Design E, male thread

Measuring principle ■■ Straight design per DIN 16181

Liquid expansion Threaded connection
- G ½ B, M20 x 1.5 (form B per DIN)
Error limit - G ⅜ B, M16 x 1.5 (form B1 per DIN)
DIN 16195 Threaded connections screwed into housing
Insertion length l1 = 30, 40, 63, 100, 160, 250 mm
Permissible working pressure at the stem Copper alloy
Max. 6 bar
■■ 90° angle version per DIN 16182

Stem Threaded connection

Ø 10 mm - G ½ B, M20 x 1.5 (form S per DIN)
Ø 6.5 mm for NS 200 x 36 with union nut M24 x 1.5 - G ⅜ B, M16 x 1.5 (form S1 per DIN)
Threaded connectors inserted into housing, removable
Case Insertion length l1 = 30, 40, 63, 100, 160, 250 mm
Aluminium, brass-coloured, anodised Copper alloy

■■ 135° angle version

Scale setting
Threaded connection
printed with special ink, protected by anodised finish
- G ½ B, M20 x 1.5
- G ⅜ B, M16 x 1.5
Thermometer glass insert
Threaded connections screwed into housing
Rod shape, prismatic capillary
Insertion length l1 = 30, 40, 63, 100, 160, 250 mm
Copper alloy
Thermometric liquid
Blue, wetting

Nominal size 150 x 36 mm Nominal size 200 x 36 mm

Connection type Connection type

Design E, male thread Design E, male thread

■■ Straight design per DIN 16185 ■■ Straight design per DIN 16189
Threaded connection Threaded connection
- G ½ B, M20 x 1.5 (form B per DIN) - G ½ B, M20 x 1.5 (form B1 per DIN)
- G ¾ B, M27 x 2 - G ¾ B, M27 x 2 (form B per DIN)
Threaded connections screwed into housing Threaded connections screwed into housing
Insertion length l1 = 63, 100, 160, 250 mm Insertion length l1 = 63, 100, 160, 250 mm
Copper alloy Copper alloy

■■ 90° angle version per DIN 16186 ■■ 90° angle version per DIN 16190
Threaded connection Threaded connection
- G ½ B, M20 x 1.5 (form S per DIN) - G ½ B, M20 x 1.5 (form S1 per DIN)
- G ¾ B, M27 x 2 - G ¾ B, M27 x 2 (form S per DIN)
Threaded connectors inserted into housing, removable Threaded connectors inserted into housing, removable
Insertion length l1 = 63, 100, 160, 250 mm Insertion length l1 = 63, 100, 160, 250 mm
Copper alloy Copper alloy

■■ 135° angle version ■■ 135° angle version

Threaded connection Threaded connection
- G ½ B, M20 x 1.5 - G ½ B, M20 x 1.5 (form B1 per DIN)
- G ¾ B, M27 x 2 - G ¾ B, M27 x 2 (form B per DIN)
Threaded connections screwed into housing Threaded connections screwed into housing
Insertion length l1 = 63, 100, 160, 250 mm Insertion length l1 = 63, 100, 160, 250 mm
Copper alloy Copper alloy

Page 2 of 5 WIKA data sheet TM 32.02 ∙ 08/2014

Scale ranges
Nominal size Scale range Scale spacing Error limit
in mm in °C in °C in °C
NS 110 -30 ... +50 1 2
0 ... 60 1 1.5
0 ... 100 2 2
0 ... 120 2 2
0 ... 160 4 4
0 ... 200 5 5
NS 150 -30 ... +50 1 2
0 ... 60 1 1.5
0 ... 100 2 2
0 ... 120 2 2
0 ... 160 2 4
0 ... 200 2 4
NS 200 -30 ... +50 1 2
0 ... 60 1 1.5
0 ... 100 1 2
0 ... 120 1 2
0 ... 160 2 4
0 ... 200 2 4

Models
Nominal size in mm Model Connection location DIN
NS 110 G 3200 straight DIN 16181
W 3201 90° angle DIN 16182
W 3202 135° angle -
NS 150 G 3210 straight DIN 16185
W 3211 90° angle DIN 16186
W 3212 135° angle -
NS 200 G 3220 straight DIN 16189
W 3221 90° angle DIN 16190
W 3222 135° angle DIN 16191

Options (for all nominal sizes)

■■ Dual scale °F/°C - 90° angle version per DIN 16190
■■ Other scale ranges Union nut
■■ Threaded connections from other materials - G ½, M20 x 1.5 (form C1 per DIN)
■■ Thermowells in accordance with DIN from copper alloy, - G ¾, M27 x 2 (form C per DIN)
steel, stainless steel or other materials - M24 x 1.5 (form F per DIN)
■■ Connection design (selectable): Design 3, union nut Adapter inserted into housing, removable
■■ Variants Insertion length l1:
- Straight design per DIN 16189 - Form C1: l1 = 89, 126, 186, 276, 426 mm
Union nut - Form C: l1 = 93, 130, 190, 280, 430 mm
- G ½, M20 x 1.5 (form C1 per DIN) - Form F: l1 = 155, 215, 275, 295, 355, 415 mm
- G ¾, M27 x 2 (form C per DIN) Union nut and copper alloy adapter, pipe st. 35
- M24 x 1.5 (form F per DIN)
Adapter screwed into housing, removable - 135° angle version per DIN 16191
Insertion length l1: Union nut
- Form C1: l1 = 89, 126, 186, 276, 426 mm - G ½, M20 x 1.5 (form C1 per DIN)
- Form C: l1 = 93, 130, 190, 280, 430 mm - G ¾, M27 x 2 (form C per DIN)
- Form F: l1 = 155, 215, 275, 295, 355, 415 mm - M24 x 1.5 (form F per DIN)
Union nut and copper alloy adapter, pipe st. 35 Adapter screwed into housing, removable
Insertion length l1:
- Form C1: l1 = 89, 126, 186, 276, 426 mm
- Form C: l1 = 93, 130, 190, 280, 430 mm
- Form F: l1 = 155, 215, 275, 295, 355, 415 mm
Union nut and copper alloy adapter, pipe st. 35

WIKA data sheet TM 32.02 ∙ 08/2014 Page 3 of 5

Dimensions in mm

Connection design E, male thread

straight 90° angle 135° angle

3073092.01

3073106.01

3073114.01
Connection design 3, union nut (only with NS 200)
straight 90° angle 135° angle
3073122.01

3073130.01

3073181.01
NS Dimensions in mm Weight
a1 a2 B Ød Ø d1 G G1 H H1 SW in kg
110 44 20 30 10 22 G⅜B - 110 130 22 0.25
44 20 30 10 21 M16 x 1.5 - 110 130 22 0.25
44 20 30 10 26 G½B - 110 130 27 0.25
44 20 30 10 25 M20 x 1.5 - 110 130 27 0.25
150 46 21 36 10 26 G½B - 150 170 27 0.30
46 21 36 10 25 M20 x 1.5 - 150 170 27 0.30
46 21 36 10 32 G¾B - 150 170 32 0.30
46 21 36 10 32 M27 x 2 - 150 170 32 0.30
200 46 21 36 10 26 G½B G½ 200 220 27 0.35
46 21 36 10 25 M20 x 1.5 M20 x 1.5 200 220 27 0.35
46 21 36 10 32 G¾B G¾ 200 220 32 0.35
46 21 36 10 32 M27 x 2 M27 x 2 200 220 32 0.35
46 21 36 6.5 - - M24 x 1.5 200 220 32 0.35

Page 4 of 5 WIKA data sheet TM 32.02 ∙ 08/2014

 Approvals

■■ GL 1), ships, shipbuilding (e.g. offshore), Germany

■■ CRN, safety (e.g. electr. safety, overpressure, ...), Canada

1) For straight and 90° angle versions

Approvals and certificates, see website

Ordering information
Model / Nominal size / Scale range / Connection design / Length l1 / Options

© 2008 WIKA Alexander Wiegand SE & Co. KG, all rights reserved.
The specifications given in this document represent the state of engineering at the time of publishing.
We reserve the right to make modifications to the specifications and materials.

WIKA data sheet TM 32.02 ∙ 08/2014 Page 5 of 5

08/2014 GB

WIKA Alexander Wiegand SE & Co. KG

Alexander-Wiegand-Straße 30
63911 Klingenberg/Germany
Tel. +49 9372 132-0
Fax +49 9372 132-406
info@wika.de
www.wika.de