ALZ 3824
5Pages

PRECISION SUBMERSIBLE PRESSURE TRANSMITTER WITH DETACHABLE PROBE DESCRIPTION ALZ 3824 is a precision submersible hydrostatic level transmitter with detachable probe, allowing quick and easy removal for service or replacement. High quality silicon piezoresistive sensor, electronic module with an active temperature compensation technology, plastic housing and a hydrometric cable with the ventilation tube make ALZ 3824 an outstanding choice for the applications where better accuracy is required. SPECIFICATIONS Ranges: 1 mH2O up to 100 mH2O Basic accuracy: ±0.1% Probe: Ø35 mm, plastic, detachable from the cable for easy service Outputs: 4...20 mA; 0...20 mA; 0...10 V; RS-485 / Modbus RTU Sensor: silicon piezoresistive Media temperatures: -20…+70 °C Optional: HART® APPLICATIONS Water, wastewater Fuels, oils Tanks, wells Pump protection Laboratory equipment 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

TECHNICAL SPECIFICATIONS MEASURING RANGES Accuracy, % of span* ≤ ±0.1 Temperature effect, (% of span / 10 °C) ≤ ±0.02 Compensated range -20…+50 °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 temperature Vibration resistance Shock resistance Service life MECHANICAL SPECIFICATIONS...

ELECTRICAL SPECIFICATIONS Output signal Power supply, US Load resistance, R 4…20 mA / 2-wire 12…36 V ≤ [(US – 12 V) / 0,02 A] Ohm* 4…20 mA / HART® 4…20 mA / 3-wire 12…36 V ≤ 500 Ohm 0.5…4.5 V / 3-wire 5 V / 6…15 V RS-485 / Modbus RTU 12…36 V * For output signal 4…20 mA / HART® minimum load resistance for digital communication: 250 Ohm. ELECTRICAL CONNECTIONS / PIN ASSIGNMENT Circuits power + power – ground power + power – signal + ground T+ T– T– power + power – A B ground power + power – ground Cable gland wires white brown yellow-green white brown green yellow-green yellow pink gray white...

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. 4. Ordering code. Version: 11.0 Date: 20.05.2020 4…20 mA / 2-wire 4…20 mA / 3-wire 0.5…4.5 V / 3-wire RS-485 / Modbus RTU 4…20 mA / HART® Other (specify whe

ORDERING CODE (CONTINUED) ALZ 3824 FKM NBR EPDM Other (specify when ordering) Standard 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. 5. Ordering code. Version: 11.0 Date: 20.05.2020