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VisiFerm mA 120 H4

Product catalog summary

Product Overview
The VisiFerm mA 120 H4 is designed for GMP production environments and explosive-rated areas, offering less frequent calibration and longer lifetime. It features a 2-wire 4-20mA/HART interface.

Specifications

Sensor Family: VisiFerm mA
Length: 120 mm
Electrical Connector: M12
Measurement Principle: Oxygen-dependent luminescence quenching with temperature compensation
Measuring Range: 4 ppb to 25 ppm (DO), 0 to 62.85 %-vol, or 0 to 300 %-sat
Accuracy at 25°C: 1 ± 0.05 %-vol; 21 ± 0.2 %-vol; 50 ± 0.5 %-vol
Drift at Room Temperature: < 1 % per week
Sensor Cap: ODO Cap H4
Electrolyte: None
Oxygen Consumption: None
Temperature Sensor: NTC 22 kOhm
Configurable Values: DO in various units; Temperature in °C
Diameter: 12 mm
Process Connection: PG13,5
Wetted Parts: Stainless Steel 1.4435, PTFE, EPDM
Surface Quality of Steel: Ra < 0.4 µm (N5)
4 to 20 mA Current Range: 3.5 to 22 mA
Analog Interface: Two-wire sink 4 to 20 mA for DO, programmable
4 to 20 mA Accuracy: < 0.3 % current value + 0.05 mA
Transmitting Power: Max. 4 dBm
Digital Interface: Bluetooth 5.0, HART Version 7.0
Operating Voltage: 18 to 30 VDC
Serial Number: Yes
Response Time: t98% < 60 s at 25°C
Certificate: Yes, with measured current in air
ATEX Approval: II 1 G Ex ia IIC T3/T4/T5/T6 Ga; II 1 D Ex ia IIIC T135°C Da
IECEx Approval: II 1 G Ex ia IIC T3/T4/T5/T6 Ga; II 1 D Ex ia IIIC T135°C Da
Autoclavable: Yes
CIP: Yes
Steam Sterilizable: Yes, max. Temperature 140°C
Operating Temperature Range: -20 to 140°C; no DO reading above 85°C
Pressure Range: -1 to 12 bar
Protection Rating: IP 68
Required Flow: None

Additional Information
Specifications are subject to change without notice. For more details, visit the Hamilton Company website.

Catalog excerpts

VisiFerm mA 120 H4 Specification Sheet (Part/REF # 10070760-1121) Less frequent calibration and longer lifetime. 2 wire 4-20mA / HART for GMP production environments. Explosive rated environments. Product Specifications Sensor Family Electrical Connector Measurement Principle Oxygen dependent luminescence quenching, temperature compensation Measuring Range Drift at Room Temperature Oxygen Consumption Temperature Sensor Configurable Values DO: mbar; %-sat; %-vol; µg/l; mg/l; ppb/ppm (gas); ppb/ppm (dissolved oxygen); Temperature: °C Process Connection Wetted Parts Stainless Steel 1.4435 PTFE (Polytetrafluoroethylene) EPDM (Ethylene propylene elastomer) See compliance details in Material Specification document Surface Quality of Steel Two wire sink 4 to 20 mA for DO, programmable Transmitting Power Digital Interface Bluetooth 5.0 HART Version 7.0 Operating Voltage Serial Number Response Time Yes, with measured current in air ATEX Approval IECEx Approval

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Steam Sterilizable Operating Temperature Range -20 to 140 °C; the sensor provides no DO reading above 85 °C Protection Rating Required Flow Specifications are subject to change without notice https://www.hamiltoncompany.com/sensors/10070760-1121

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