PTM/N/SDI-12 Programmable level transmitter SDI-12

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PTM/N/SDI-12 Programmable level transmitter SDI-12

Product catalog summary

Customer Benefits:

SDI-12 interface suitable for low power applications.
Zero and span settings adjustable via SDI-12 commands.
Available as a multi-parameter sensor measuring both pressure and temperature.
Customizable design for quick adaptation to specific needs.
Constructed from stainless steel and titanium for use in corrosive environments.

Technical Specifications:

Pressure Measuring Range: 5 to 250 mH2O with overpressure capability of 3 times full scale and burst pressure over 200 bar. Accuracy is within ±0.1% FS.
Temperature Measuring Range: Standard range from -25 to 85°C with accuracy up to ±0.5°C.
Electrical Specifications: SDI-12 interface with a power supply range of 8 to 30 V DC. Current consumption is less than 0.5 mA in sleep mode and less than 6 mA in active mode.

Qualifications:

Complies with various EN standards for vibration, shock, emission, electrostatic discharge, and more.

Physical Specifications:

Materials include stainless steel, titanium, and optional Hastelloy. Seals available in Viton, EPDM, and Kalrez.
Weight is approximately 200 g without cable.

Ordering Information:

Various configurations available for pressure type, measuring range, process connection, electrical connection, and output signal.
Options for special oil filling, electronics packaging, and seal materials.

Catalog excerpts

PTM/N/SDI-12 Programmable level transmitter SDI-12-1

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

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PTM/N/SDI-12 Programmable level transmitter SDI-12-2

(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

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PTM/N/SDI-12 Programmable level transmitter SDI-12-3

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...

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PTM/N/SDI-12 Programmable level transmitter SDI-12-4

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

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PTM/N/SDI-12 Programmable level transmitter SDI-12-5

(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

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