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N131C 1
N131C
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WIKA · Force measurement · Family N131

Inclination sensor

Flameproof enclosure Ex d, redundant, 0 ... 360°
Output
2 x 4 ... 20 mA (3-wire)
Accuracy
< 0.1 % of FS
Protection
IP67
RoHSATEXIECExEMCCE
Price
On request
Depends on configuration
Request a quote
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Description

Inclination sensors of model N131C for hazardous areas are designed with a flameproof enclosure and, for instance, intended for applications in offshore areas, for maritime applications and for the oil and gas industry.

The fields of application for these sensors are diverse. Due to the flameproof enclosure they fulfil the ignition protection type Ex d. Inclination sensors with flameproof enclosure are used in offshore plants for oil and gas extraction.

WIKA-data shet FO 59.02

Inclination sensor, model N131C

The sensors have a measuring range of up to 360° and offer an extraordinarily high accuracy and precision over the entire measuring range. Other measuring ranges, customer-specific as well, are also possible. The measured value resolution is 0.01°.

Special features

  • Measuring range 0 ... 360°
  • Relative linearity error < 0.1 % of FS over the entire measuring range
  • Good damping behaviour, no influence due to gravity
  • Resistant to seawater, IP67
  • Easy retrofitting
Identification
ModelN131C
Product familyN131
SubcategoryInclination sensor
Accuracy
Accuracy class< 0.1 % of FS
Process conditions
Process temperature−40…+80 °C
Electrical characteristics
Output signal2 x 4 ... 20 mA (3-wire)
Materials
Cell materialStainless steel
Operating environment
Ambient temperature−40…+85 °C
IP ratingIP67
Certifications and approvals
Certifications
RoHSATEXIECExEMCCE
Explosion protection
Ex II 2G Ex d IIC T4 Gb (BVS 13 ATEX E 030 X)Ex II 2G Ex d IIC T4 Gb (BVS 13.0065X)ATEX: Ex II 2G Ex d IIC T4 Gb (BVS 13 ATEX E 030 X)IECEx: Ex II 2G Ex d IIC T4 Gb (BVS 13.0065X)
Additional details
Cable length10 m
Datasheet languagesEN
Tables from datasheet
Model N131C
Measuring range ■ Standard ■ Optional0 …360° other measuring ranges possible
Relative linearity error d lin ■ < 100° ■ > 100°< 0.1° < 0.1 %of FS
Relative reversibility error v< 0.05 %of FS
Resolution< 0.01°
Transverse inclination error ■ ≤ 10° ■ ≤ 45°< 0.05 ° < 0.2 °
Service temperature B T, G-40 …+80 °C
Temperature effect on ■ the characteristic valueTK c ■ the zero signalTK 00.0016 %of FS/K 0.0016 %of FS/K
Electrical connectionConnection cable, 10 m, flying leads (others on request)
Output signal (rated characteristic value) C nom2 x 4 ... 20 mA(3-wire)
Voltage supplyDC 9 ...36V
Material of the measuring bodyStainless steel
Salt spray testingDIN EN 60068-2-52
Ingress protection (per IEC/EN 60529)IP67
EMC61326-1 IEC:2012, DIN EN 61000-4 Part 2, Part 3, Part 4, Part 6, Part 8, Part 9, Part 10; DIN ISO 7637 Part 2, DIN ISO 11452 Part 2, Part 4, Part 5; DIN EN 55025 Part 6.3, Part 6.4
CertificationsATEX and IECEx: acc. to EN60079-0:2012 und EN60079-1:2007 (Ex d)
LogoDescriptionRegion
EU declaration of conformity ■ EMV-directive ■ RoHS-directiveEuropean Union
ATEX directive Hazardous areas Ex II 2G Ex d IIC T4 Gb (BVS 13 ATEX E 030 X)-40 °C <T amb < +85 °CEuropean Union
IECEx Hazardous areas Ex II 2G Ex d IIC T4 Gb (BVS 13.0065X)-40 °C <T amb < +85 °CInternational
Cable assignment
WireOutput
1UB+ (+24V)
2S+ Signal 1 (4 ... 20 mA)
30V/S- (electrical ground)
4S+ signal 2 (4 ... 20 mA)