Blood Refrigerator Controller

Wavetronics is manufacturer of analog, digital and microcontroller based process control instruments, sensors, control panels and custom built system for industries to accurate control and specification packed with versatile features conforming to global standards. The company offers a µC based blood refrigerator temperature controller PT-100 (-100.0 to 100.0°C). Features: micro controller based, single or double display; supply 220 V AC; input RTD; output – 1. Relay contact or SSR, 2. Alarm contact or buzzer; cooling application range – -99.09 to 100.0; temperature setting lock as per range adjustable in set mode; alarm high 0.3 to 10.0 adjustable; alarm low 0.3 to 10.0 adjustable; alarm mute by decrement key; hysteresis 0.2 or 2 to 25.0°C adjustable; defrost cycle start temperature adjustable; defrost On time 0 to 250 minute; defrost Off time 0 to 9999 minute; defrost on indication by dp blinking; defrost on time count down indication (double display); defrost on time count down indication by Enter key (single display); manual defrost by pressing increment key for 5 second; delay 0 to 10 minute adjustable; open display if sensor break; relay trip if sensor breaks or connection open; and calibration error correction by front key switch (no preset setting).