A two-channel, isolated analog input module is ready for use with 1,000 ohm platinum resistance temperature detectors (RTDs). With the SNAP-AIRTD-1K, Opto 22’s line of SNAP I/O modules now includes RTD input modules for use with 10-ohm copper, 100-ohm platinum, and 1,000-ohm platinum RTD probes.
1,000-ohm platinum RTD probes precisely measure temperatures in industrial furnace and refrigeration applications, HVAC systems, autoclaves, or in any application requiring accurate measurement over a wide temperature range. The SNAP-AIRTD-1K module is used in systems based on Opto 22’s SNAP PAC programmable automation controller, and also in SNAP Ethernet I/O systems used for PC-based control applications.
The SNAP-AIRTD-1K module provides two channels of analog temperature input, with a nominal input temperature range of -200 to 850°C (-328 to 1,562°F) and an input range of 0 to 4,000 ohms. The module has an average resolution of 0.042°C (0.16 ohms). Used primarily with RTD probes to provide temperature inputs, the SNAP-AIRTD-1K module can also be used for making high-resolution resistance measurements.
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