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ALZ 3920

ALZ 3920
4Pages

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SMALL DIAMETER SUBMERSIBLE PRESSURE TRANSMITTER DESCRIPTION ALZ 3920 is a small diameter version of our standard submersible hydrostatic level transmitter. High quality silicon piezoresistive sensor, robust Ø21 mm stainless steel housing and a hydrometric cable with the ventilation tube provide high perfomance in a slimmer form factor for a wide variety of industrial level measurement applications. SPECIFICATIONS Ranges: 1 mH2O up to 250 mH2O Basic accuracy: ±0.25% Probe: Ø21 mm, AISI 316L stainless steel Output: 4...20 mA Sensor: silicon piezoresistive Media temperatures: -20…+70 °C Optional: Ex ia APPLICATIONS Confined spaces level measurement Water, wastewater Fuels, oils Tanks, wells Pump protection Appearance, mounting kit contents and/or specifications are subject to change without prior notice. We are constantly working on further improvement of our products. Delivery is subject to standard terms of delivery. © 2020 Piezus Page 1. Version: 11.0 Date: 20.05.2020

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TECHNICAL SPECIFICATIONS MEASURING RANGES P > 0.4 bar P ≤ 0.4 bar Accuracy, % of span* ≤ ±0.25 (standard) / 0.20 (optional) ≤ ±0.5 (standard) Temperature effect, (% of span / 10 °C) ≤ ±0.1 ≤ ±0.2 Compensated range -20…+70 °C 0…+70 °C Power supply effect ≤ ±0.05% of span / 10 V Load resistance effect ≤ ±0.05% of span / kOhm (transmitters with current output) Long term stability ≤ ±0.1% of span / year Response time (10...90%) ≤ 1 ms * Accuracy includes non-linearity, hysteresis and non-repeatability. OPERATING CONDITIONS Medium temperature (depends on seal) Ambient temperature Storage...

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ORDERING CODE UNIT OF MEASUREMENT CABLE LENGTH OUTPUT SIGNAL PVC PUR FEP Other (specify when ordering) any length in meters (e.g., 010M means 10 meters) Page. 3. Ordering code. Version: 11.0 Date: 20.05.2020 4…20 mA / 2-wire (standard) Other (specify whe

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ORDERING CODE (CONTINUED) ALZ 3920 FKM NBR EPDM Other (specify when ordering) Standard Pt100 temperature sensor (incompatible with RS-485 / Modbus RTU) Other (specify when ordering) Anchoring clamp for submersible transmitter PZ 1024 Power supply unit BZ 05 / BZ 10 Dry air junction box for submersible transmitters Page. 4. Ordering code. Version: 11.0 Date: 20.05.2020

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ALZ 3920 4Pages

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ALZ 3920
4Pages