Submersible Level and Temperature Transmitters ATM.1ST/N/T - High Precision Level Transmitter CUSTOMER BENEFITS • High measurement accuracy is ensured by sophisticated digital temperature compensation algorithms • Exellent long term stability allow accurate measurements over a long period • Titanium version with FEP cable available for use in aggressive media • Multiparameter probe with pressure & temperature

Burst pressure, (2) > 200 bar > 200 bar > 200 bar Long term stability, (5) < 0.5% FS / < 4 mbar < 0.2% FS / < 4 mbar < 0.1% FS / < 0.2% FS (3) Zero based accuracy according to DIN-16086, incl. hysteresis and repeatability at ambient temperature (4) Total error including accuracy and temperature influences at maximum signal span (16 mA) (5) 1 year (typ. / max.), the long term stability can be improved by ageing (burn-in) the sensor Temperature span, (2) > 30 °C (1) Other temperature measuring ranges on request (2) Measuring range 15 ... 30°C must be contained (3) Probe, electronics,...

Power supply Supply influence Circuit diagram Minimum load resistance RL = (Usupply - 15V) / RL = (Usupply - 15V) / Maximum load resistance RL = (Usupply - 9V) / 0.02A RL = (Usupply - 9V) / 0.02A Load influence < 0.05% FS < 0.05% FS mmpp) EN 60068-2-27 Shock 100 G (impulse duration 6 ms) EN 55022 Emission, class B < 30 dBpV/m (0.03 ... 1 EN 61000-4-3 Irradiated RF 10V/m (0.08 ... 2.7 GHz, 3s) Radio sets, wireless phones EN 61000-4-4 Transients (burst) 4 kV Motors, valves Line-Earth: 1 kV/42 O EN 61000-4-6 Conducted RF 3 V (0.15 ... 80 MHz, 3 s) Frequency...

Housing Seals Cable Weight (2) Stainless steel (316L / 1.4435), titanium (Gr. 2), (1) Stainless steel (316L / 1.4404), titanium (Gr. 2) Viton (standard), EPDM, Kalrez, NBR PUR, FEP, PE, PVC 180 g (1) Hastelloy (C-276) on request (2) Specification for a ATM.1ST/N, closed, without cable Accessories overview

(3) Connector with required cable has to be ordered separately (KART100) (4) Please specify the required cable length and medium (5) Suitable for drinking water (food approved) (6) For operating temperature > 50°C, PE or FEP cable must be used (7) Recommended for drinking water applications (8) With stainless steel cap (9) max. 130°C @ 10 mH2O, max. 110°C @ 50 mH2O

Dimensions Fig. 4: Electrical connection, connectable \z±zt Standard without ballast weight with ballast weight depending on process connection depending on process connection or version Colour 3-wire 4-wirewhite ellow +VinT rown Pout Pout green Tout Specifications may change without notice. STS Headquarters, Switzerland: STS Sensor Technik Sirnach AG Rutihofstrasse 8 | 8370 Sirnach | Switzerland [email protected] | www.stssensors.com STS Germany: STS Sensoren Transmitter Systeme GmbH Poststrasse 7 | 71063 Sindelfingen | Germany [email protected] | www.stssensors.de STS Great Britain:...