SPRTX-SS

Supported Applications

The Omega SPRTX-SS Series is a miniature, splash-proof connector/transmitter designed for direct attachment to sanitary Pt100 sensors with M12 connectors. The device features an integral shielded cable and built-in transmitter housing intended for use with clean-in-place (CIP) sanitary Pt100 probes.

Operating Conditions & Performance

The series accepts RTD, Pt100 inputs following the 0.00385 curve in either 3 or 4-wire configurations via an M12 style, 4-pin female connector. It provides a linearized 4 to 20 mA dc output over specified input ranges of -99 to 208°C (SPRTX-SS1) and 2 to 569°C (SPRTX-SS2). Performance specifications include an accuracy of ±0.5% FS @ 23°C (73°F), repeatability of ±0.25°C (0.5°F), and a temperature effect of ±0.00022 mA/°C (0.00012 mA/°F). The unit operates within an ambient temperature range of -40 to 85°C (-40 to 185°F) with upscale break protection.

Configuration Options

The SPRTX-SS Series is configured for specific input ranges and wiring options. Key configurable dimensions include:

• Housing & Dimensions: Splash-proof body, 76 H x 20 mm Dia (3.0 x 0.8") without cable; weight max 110 g (0.25 lb) with cable.
• Electrical Connection: Integral 2-wire shielded polyurethane cable, 4 m (12') with stripped leads.
• Power Supply: Requires 9 to 24 Vdc @ 30 mA max; Max Loop Resistance is calculated as (Vs – 9V) / 0.020 A.
• Approvals & Calibration: CE marked with NIST traceable calibration available via option CAL-3†.

The series supports the following accessories for extended installation or power requirements:

• SCTX2-100: Extension cable, 2-wire shielded, 30 m (100')
• PSR-24S: Regulated power supply, 24 Vdc, 400 mA, screw terminals
• PSR-24L: Regulated power supply, 24 Vdc, 400 mA, UL, 1.8 m (6') cable with stripped leads
• PSR-24L-230: Regulated power supply, 24 Vdc, 400 mA, 230 Vac, CE, 1.8 m (6') cable with stripped leads
• SCE-604ELJ*: NEMA type 4 enclosure 6 H x 4 W x 4" D

Key Product Differences

The series is ordered using the format SPRTX-SS<MODEL>-M12-<WIRING_OPTION>. Model numbers distinguish between input ranges:

• SPRTX-SS1-M12-(*): Input range -99 to 208°C.
• SPRTX-SS2-M12-(*): Input range 2 to 569°C.

The final segment of the model number specifies the wiring option: "1" for Wiring Option #1 or "2" for Wiring Option #2. An ordering example is SPRTX-SS1-M12-1, representing a temperature transmitter with Pt100 input, -99 to 208°C (-146 to 406°F) range, 4 to 20 mA output, wiring option 1, M12 female connector for probes (input), and the standard 4 m (12') cable.