Catalogs >
PIEZUS >
ALZ 3822

ALZ 3822
5Pages

Catalog excerpts

SUBMERSIBLE PRESSURE TRANSMITTER WITH DETACHABLE PROBE DESCRIPTION ALZ 3822 is a general purpose submersible hydrostatic level transmitter with detachable probe, allowing quick and easy removal for service or replacement. High quality silicon piezoresistive sensor, plastic housing and a hydrometric cable with the ventilation tube make ALZ 3822 a reliable solution for a wide variety of industrial level measurement applications. SPECIFICATIONS Ranges: 1 mH2O up to 100 mH2O Basic accuracy: ±0.25% Probe: Ø35 mm, plastic, detachable from the cable for easy service Outputs: 4...20 mA; 0...20 mA; 0...10 V; 0...5 V; RS-485 / Modbus RTU Sensor: silicon piezoresistive Media temperatures: -20…+70 °C Optional: HART® APPLICATIONS 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

Open the catalog to page 1

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…+50 °C 0…+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...

Open the catalog to page 2

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 ≤ 500 Ohm 0…20 mA / 3-wire 12…36 V 0…10 V / 3-wire ≥ 10 kOhm 0…5 V / 3-wire ≥ 5 kOhm 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...

Open the catalog to page 3

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

Open the catalog to page 4

ORDERING CODE (CONTINUED) ALZ 3822 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

Open the catalog to page 5

ALZ 3822 5Pages

Catalog excerpts

All PIEZUS catalogs and technical brochures

ALZ 3822
5Pages