Pressure & Temperature Control Instrument Co was established in 1980 with ‘Heatgauge’ brand to meet the demand of reliable process control instruments. All PTCI products are designed and manufactured to the highest standards of quality and reliability.
Pressure & Temperature Control Instrument Co offers a range of temperature and pressure recorders.
This is a high-accuracy temperature and pressure recorder with internal battery and non-volatile memory for deployment at high depths; this is intended for moorings or other long-term, fixed-site applications, as well as shorter-term deployments on nets, towed vehicles, or ROVs
Calibration coefficients are stored in EEPROM, and uploaded data is in ASCII engineering units (°C and decibars)
The thermistor has a long history of exceptional accuracy and stability; the pressure sensor has a superior new design that is entirely different from conventional 'silicon' types in which the deflection of a metallic diaphragm is detected by epoxy-bonded silicon strain gauges
The sensor employs a micro-machined silicon diaphragm into which the strain elements are implanted using semiconductor fabrication techniques; unlike metal diaphragms, silicon's crystal structure is perfectly elastic, so the sensor is essentially free of pressure hysteresis
Compensation of the temperature influence on pressure offset and scale is performed by the CPU; PTCI produces a broad range of instruments and sensors for temperature and process control
The instruments range from the simplest of single board controls to sophisticated microprocessor based products capable of computer communication; temperature sensors include thermocouple, RTD, and thermistor assemblies and accessories.
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