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WIKA · Temperature measurement · Family 70

Expansion thermometer with microswitch

Expansion thermometer with microswitch, stainless steel version, for local temperature display and electrical switching
Range
-60…250 °C
Output
Microswitch · microswitch
Accuracy
Class 2 per EN 13190
Protection
IP65
EN 13190EN 60730-1PAC Belarus
Price
On request
Depends on configuration
Request a quote
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Description

Thermometers of this product range find their application whenever a local temperature display is needed at the same time as switching an electric circuit.

Expansion thermometers can be installed or mounted in almost any location. Versions with capillaries are used in locations which are not easily accessible and where long distances have to be bridged. They can therefore be used universally, e.g. in machine building, refrigeration and air-conditioning applications or other industrial applications.

Special features

  • Case and stem from stainless steel
  • Version per EN 13190
  • High switching reliability and long service life
  • Temperature limiter and indicator in a single instrument
  • One or two adjustable microswitches
Identification
Model70-8xx
Product family70
SubcategoryExpansion thermometer with microswitch
Measuring range
Temperature ranges−20…+80 °C · −60…+40 °C · −40…+60 °C · −30…+50 °C · +0…+60 °C · +0…+80 °C · +0…+100 °C · +0…+120 °C · +0…+160 °C · +0…+200 °C · +0…+250 °C
Accuracy
Accuracy classClass 2 per EN 13190
Process conditions
Process connection
G ½ B, male threadG ¾ B, male threadG ½, female threadG ¾, female threadM24 x 1.5, male threadM18 x 1.5, male thread½ NPT, male thread¾ NPT, male threadG 1/2 B, male threadG 3/4 B, male threadG 1/2 female threadG 3/4 female threadM24 x 1.5 male threadM18 x 1.5 male thread1/2 NPT, male thread3/4 NPT, male thread
Process temperature−60…+250 °C
Electrical characteristics
Output signalMicroswitch
Electrical connectionTerminal connection with conductor cross-section up to 1.5 mm2
Materials
Probe materialStainless steel
Operating environment
Ambient temperature+0…+50 °C
IP ratingIP65
Weight1.4 kg
Certifications and approvals
Certifications
EN 13190EN 60730-1PAC BelarusMeasurment Instuments (Metrology)
Additional details
Sensor typebimetal
Probe length600 mm
Probe diameter8 mm
ThermowellNo
Datasheet languagesEN
Tables from datasheet
Basic information
Nominal size in mm[in]100 [4]
Mounting option■ H70.55.100 surface mounting flange (H), stainless steel ■ M70.55.100 instrument mounting bracket (M), aluminium die-casting ■ V70.55.100 Panel mounting flange (V), stainless steel
Other instrument mounting brackets on request
Design 1Plain stem (without thread)
Design 2Male nut
Design 3Union nut
Design 4Compression fitting (sliding on stem)
Design 5Union nut with loose threaded connection
Design 6Compression fitting (sliding on remote capillary)
Further connection designs on request
Fill fluid■ Xylene ■ Silicone oil ■ Syltherm
Material (in contact with the environment)
CaseStainless steel
WindowWith adjustable contactLaminated safety glass
With fixed contactInstrument glass
Measurement principle
Type of measurement principleBourdon tube system
Remote capillary
LengthLength in accordance with customer specifications (max. 10 m)
Material (non-wetted)Stainless steel
Accuracy specifications
Indication accuracyClass 2 per EN 13190
Scale range in °CMeasuring range 1) in °CError limit ± °CScale interval in °C
-60 ... +40-50 ...+3021
-40 ... +60-30 ...+5021
-30 ... +50-20 ...+4021
-20 ... +80-10 ...+5021
-20 ... +80-10 ...+7021
0 ... 6010 ... 5021
0 ... 8010 ... 7021
0 ... 10010 ... 9021
0 ... 12010 ... 10042
0 ... 16020 ... 14042
0 ... 20020 ... 18042
0 ... 25020 ... 22052
View all (9)
Output signal
Type of contactMicroswitch
Contact version■ 1 fixed change-over contact ■ 2 fixed change-over contacts ■ 1 adjustable change-over contact ■ 2 adjustable change-over contacts
Switch rating5 A non-inductive at max. 250 V, 50 ... 60 Hz
Power factorcos ϕ = 1 (0.6)
Operating principle per EN 60730-1Type 1.B Integrated RS Temperature limiter
Number of switching cycles per EN 60730-110,000 (for UL version 6,000)
Standard switch differential< 2 %of scale range, other switch differentials on request
Switch point settingAdjustable from outside with adjustment key or fixed
Electrical connection
Connection typeTerminal connection with conductor cross-section up to 1.5mm 2
Operating conditions
Ambient temperature range0 ... 50 °C [32 ... 122 °F]
Storage and transport temperature range-40 ...+60 °C [-40 ...+140 °F]
Ingress protection (IP code) per IEC/EN 60529IP65 per EN 60529 / IEC 529
LogoDescriptionCountry
PAC BelarusBelarus
Certificates
Certificates■ 2.2 test report ■ 3.1 inspection certificate with 3 test points (optionally with 5 test points)