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NETRIS 2 1
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WIKA · Measurement instruments · Family NETRIS

Radio unit with LoRaWAN ® , 4 ... 20 mA input signal

Radio unit with LoRaWAN, 4 ... 20 mA input signal for applications in hazardous areas, part of WIKA IIoT solution for remote monitoring and preventive maintenance.
Output
4 ... 20 mA, 2-wire
Protection
IP55/IP57
IECExREDRoHSATEXCEEx ia [ia Ga] IIC T3 GaII 1(1)G Ex ia [ia Ga] IIC T3 Ga
Price
On request
Depends on configuration
Request a quote
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Description

Wherever centralised, web-based remote monitoring of measuring instrument data is required, the IIoT-capable WIKA radio unit model NETRIS ® 2 finds it application.

The Ex radio unit receives the data via the two intrinsically safe, analogue 4 ... 20 mA input signals. The fully encapsulated instrument with IP55 ingress protection transmits the received data continuously to a cloud via configurable data packets with LoRaWAN ® (Long Range Wide Area Network).

Battery-operated wireless transmission via LoRaWAN ® is based on LPWAN technology to enable high transmission ranges and long battery life.

For further approvals, see page 5

WIKA radio unit, model NETRIS ® 2

The radio unit is connected to a suitable measuring instrument via cable.

The simple web configuration via the cloud and the LoRaWAN ® network enables the complete end-to-end encryption with bidirectional communication for safe IIoT applications.

The WIKA radio unit NETRIS ® 2 is part of the WIKA IIoT solution. With this, WIKA offers a holistic solution for your digitalisation strategy.

Special features

  • IIoT-capable with LoRaWAN ® transmission
  • Battery-operated LoRaWAN ® wireless transmission based on LPWAN technology
  • High transmission range for the measured values (up to 10 km [6 mi]) with long battery life (up to 10 years)
  • Two intrinsically safe analogue input signals with 4 ... 20 mA
  • The determination of differential pressures is possible
Identification
ModelNETRIS 2
Product familyNETRIS
SubcategoryRadio unit / IIoT device
Electrical characteristics
Output signal4 ... 20 mA, 2-wire
Operating environment
Ambient temperature−30…+60 °C
IP ratingIP55/IP57
Certifications and approvals
Certifications
IECExREDRoHSATEXCE
Explosion protection
Ex ia [ia Ga] IIC T3 GaII 1(1)G Ex ia [ia Ga] IIC T3 Ga
Additional details
Datasheet languagesEN
Tables from datasheet
Radio standard
SecurityFull end-to-end encryption → For details on security, see website: https://lora-alliance.org
Voltage supply and performance data
Battery packWIKA Lithium thionyl chloride / Hybrid layer capacitor (HLC) battery, 3.6 V, potted Model Eve BN2D150
Battery voltageDC 3.6V
Battery lifeMax. 10 years → At reference conditions a measurement and a transmission every hour (24 x a day) takes place at spreading factor 10.
Electrical connection
Connection typeBoard connector
Wire cross-section0.05mm 2 ...1.5mm 2
Pin assignment→ See table 'Pin assignment'
Short-circuit resistanceYes
Reverse polarity protectionYes
Sealing inserts ∅■ 4.5 ... 5 mm[1.77 ... 0.20 in] ■ 6 mm[0.24 in] ■ 7.2 mm[0.28 in] ■ 8.6 mm[0.34 in] ■ 10 mm[0.39 in] ■ 4.5 ... 5 mm[1.77 ... 0.20 in] (dual)
Operating conditions
Ambient temperature range-30 °C [-22 °F] ≤ Ta ≤ +60 °C [+140 °F]
Storage temperature range-40 ...+70 °C [-40 ...+158 °F]
Humidity20 ... 90 %relative humidity
CondensationNon-condensing
Vibration resistance per IEC 60068-2-6a = 1g (7 ... 18 Hz) 10 .... 14.53 Hz
A = 0.8 mm(18 ... 50 Hz)
a = 5g (50 ... 200 Hz) ¹⁾
Shock resistance per IEC 60068-2-31 ¹⁾25g, 6 ms
Free fall per IEC 60068-2-31
Individual packaging1.2 m[3.94 ft]
Multiple packaging0.5 m[1.6 ft]
Ingress protection per IEC/EN 60529IP55/57
View all (7)
LogoDescriptionRegion
EU declaration of conformityEuropean Union
EU declaration of conformityEuropean Union
- Ex i Zone 0 gas IECEx Hazardous areas - Ex i Zone 0 gasII 1(1)G Ex ia [ia Ga] IIC T3 Ga Ex ia [ia Ga] IIC T3 GaInternational
Safety-related characteristic values (Ex)
Ex marking
Parameters
Max. voltage U o≤ 26V
Max. current I o≤ 90mA
Max. power P o≤ 550mW
Internal capacitance C i3.6 nF
Internal inductance L i0.3mH
Output parameters 1)
Gases of group IIBMax. external inductance L 025.7mH19.7mH9.7mH4.7mH
Max. external capacitance C 0446 nF486 nF566 nF686 nF
Gases of group IICMax. external inductance L 02.2mH1.7mH0.7mH0.2mH
Max. external capacitance C 037 nF43 nF60 nF78 nF
Temperature ranges
Temperature classT3
DescriptionOrder number
Battery packWIKA Lithium thionyl chloride / Hybrid layer capacitor (HLC) battery, 3.6 V, potted Model Eve BN2D15014635440