ĐỒNG HỒ ĐO NHIỆT ĐỘ WIKA 70

Standard version
Measuring principle
Bourdon tube system
Nominal size in mm
63, 100, 160
Design of connection
1 Plain stem (without thread)
2 Male nut
3 Union nut
4 Compression fitting (sliding on stem)
5 Union nut with fitting
6 Compression fitting (sliding on capillary)
Instrument version and type of mounting
B Instruments with capillary; centre back mount triangular bezel with bracket
H Instruments with capillary; lower mount (radial) surface mounting flange
M Instruments with capillary; lower mount (radial) surface mounting bracket, aluminium die cast
V Instruments with capillary; back mount 1) panel mounting flange
A Back mount 1), fix plain stem, threaded connection or thermowell
R Lower mount (radial), fix plain stem, threaded connection or thermowell
S Back mount 1), fix plain stem, threaded connection or thermowell; swivelling approx. 90 ∢°
1) eccentric; NS 63: centric
Fill medium measuring system
Xylol or silicon oil
Accuracy class
Class 2
Rated operating ranges and conditions
EN 13190
Capillary entry
Lower or back
Case
Stainless steel
Bezel ring
Stainless steel
Connection
Stainless steel 1.4571
Capillary
Length to customer specifications (max. 10 m), Ø 2 mm, stainless steel 1.4571, bending radius not less than 6 mm

Stem
Ø 8 mm, stainless steel 1.4571
Active length of sensor
Depending on Ø d and scale range
Dial
Aluminium, white, black lettering
Pointer
Aluminium, black
Window
NS 100, 160: Instrument glass
NS 63: Transparent plastic
Temperature limits for storage and transport
-50 … +70 °C (EN 13190) without liquid damping
-20 … +60 °C (EN 13190) with food-compatible liquid damping
-50 … +60 °C (EN 13190) with liquid damping
Ambient temperature limit at the case
0 … 40 °C max. (others on request)
Pressure rating of stem
25 bar max., static
Ingress protection
IP 65 per EN 60529 / IEC 529
Options
* Scale range °F, °C/°F (dual scale)
* Laminated safety glass, clear plastic
* Ambient temperature compensation
* Accuracy class 1.0
* Thermowell per DIN or to customer specification
* Surface mounting bracket from other materials and in other lengths (A)
* Liquid filling case with
NS 63: Model X70.53.063
NS 100: Model X70.53.100
NS 160: Model X70.53.160
Filling medium: glycerine
* Spiral protecting hose stainless steel
* Designs per DIN EN ISO 13485, medical applications on request
* Model 70 with micro switch see WIKA data sheet TV 28.01
* Stem diameter 6, 10 mm