Wika Intrinsically Safe Pressure Transmitter Model IS-3 for Hazardous Areas, 0…0.25 Bar, G 1/2 B EN 837 Process Connection, 4...20 mA/2-wire Output Signal, 10 ... 30 V DC, 2m Cable Outlet IP68 Cable Gland, 84256406

Part Number : 84256406

Brand :
WIKA

WIKA IS-3 intrinsically safe pressure transmitter for hazardous areas, featuring 0–0.25 bar measuring range, 4–20 mA 2-wire output, G¼" process connection, and M12x1 electrical connection. Suitable for use in explosive gas and dust environments.

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KWD 220.000

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Description
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Description

The WIKA IS-3 Series Pressure Transmitter is engineered for precise pressure measurement in hazardous environments. With a pressure range of 0 to 0.25 bar and a 4–20 mA 2-wire output, this transmitter is ideal for applications in the oil & gas, chemical, and machinery industries. It offers a G¼" process connection and an M12x1 electrical connector, ensuring robust installation and signal integrity. Designed for harsh conditions, the IS-3 features approvals including ATEX, IECEx, FM, and CSA, and supports medium temperatures up to +200 °C and ingress protection up to IP68 depending on configuration. This unit is optimized for reliability, even in demanding applications.

Key Features

• Intrinsically safe design for use in hazardous areas (ATEX, IECEx certified)

• High measurement accuracy: 0.5% of span

• G 1/2 B EN 837 process connection with stainless steel wetted parts

• 4 ... 20 mA, 2-wire output for standard industrial integration

• Robust cable outlet with IP68-rated cable gland

• Wide operating temperature range: -20 ... +80 °C

• Excellent long-term stability and low temperature drift

• Compact and durable construction for harsh environments

Applications

• Oil and gas industry for pressure monitoring in explosive zones

• Chemical and petrochemical processing plants

• Industrial machinery and automation systems

• Pressure monitoring in hazardous environments

• Mobile and stationary equipment in Zone 0/20 areas

Downloads

DataSheet Wika IS-3 (84256406).pdf

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Datasheet Wika IS-3 Pressure Transmitter.pdf

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Operating Instructions Wika IS-3 Pressure Sensor.pdf

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Specifications

Measuring range
0 ... 0.25 bar
Output Signal
4 ... 20 mA, 2-wire
Permissible load
≤ (power supply - 10 V) / 0.02 A - (cable length in m × 0.14 Ω)
Adjustability
Without
Power Supply
10 ... 30 V DC
Electrical Characteristics
Ui = 30 V, Ii = 100 mA, Pi = 800 mW, Ci = 16.5 nF + 0.2 nF/m, Li = 0 µH + 2 µH/m
Settling time
≤ 2 ms
Accuracy
0.5% of span
Non-linearity (BFSL)
≤ ±0.2 % of span
Long-Term Stability
≤ ±0.2 % of span/year
Temperature Coefficient (Zero Point)
≤ ±0.2 % of span / 10 K (0 ... 80 °C)
Temperature Coefficient (Span)
≤ ±0.2 % of span / 10 K (0 ... 80 °C)
Ambient temperature
Refer to Operating Instruction
Media temperature
-20 ... +80 °C
Storage Temperature
-20 ... +80 °C
Process Connection
G 1/2 B EN 837
Sealing
Without
Wetted parts
Stainless Steel
Electrical connection
Cable outlet with IP68 cable gland
Cable Material
PUR
Cable Length
2 meters
Pin assignment
UB = BN, 0V = GN, Shield connected
Reverse polarity protection
U+ against U-
Insulation Voltage
DC 500 V
Ingress Protection
IP68
Ignition Protection
Intrinsically Safe (ATEX/IECEx)
Approvals
ATEX, IECEx
CE-Conformity
2014/68/EU (PED), 2014/30/EU (EMC), 2014/34/EU (ATEX)

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