Programmable Submersible Level Transmitters CUSTOMER BENEFITS • SDI-12 interface for use in low power applications • Adjustment of zero and span setting through SDI-12 commands • Available as multi-parameter sensor (pressure & temperature) • Fast customization thanks to configurable product design • Stainless steel and titanium version for use in acidic or otherwise aggressive media

(2) Zero based accuracy according to DIN 16086, incl. hysteresis and repeatability at ambient temperature (3) 1 year (typ. / max.), the long term stability can be improved by ageing (burn-in) the sensor(1) TEMPERATURE MEASURING RANGE Standard -25...85 °C (1) For operating temperature > 50°C, PE or FEP cable must be used www.stssensors.com

Output Interface Protocol Resolution Pressure Temperature Measuring units, (1) Pressure Temperature Power supply Supply influence Current consumption sleep mode Current consumption active mode Cable length, (max.) SDI-12 SDI-12 V1.3 0.01% FS 0.05 °C mbar, bar, mWC, mH2O, psi, inWC, ftWC, inH2O °C, °F, K 8...30 V DC < 0.1% FS < 0.5 mA < 6 mA 250 m (850 ft) Description Level Typical interferences mmpp) EN 60068-2-27 Shock 100 G (impulse duration 6 ms) EN 55022 Emission, class B < 30 dBpV/m (0.03...1 GHz) EN 61000-4-3 Irradiated RF 10V/m (0.08...1 GHz) Radio sets, wireless...

Materials Transducer Stainless steel (316L / 1.4435), titanium (Gr. 2), (1) Stainless steel (316L / 1.4404), titanium (Gr. 2) Viton (Standard), EPDM, Kalrez PUR, FEP, PE 200 g (1) Hastelloy (C-276) on request (2) Specification for a PTM/N/SDI-12, closed, without cable Accessories overview Article number Description Article number

(1) Please specify the required cable length and medium (2) Suitable for drinking water (food approved) (3) For operating temperature > 50°C, PE or FEP cable must be used

Technical drawings