• Analog & Digital Instrumentation

Temperature Cum Humidity Indicator

Analog & Digital Instrumentation offers a temperature cum humidity indicator. Features: excellent price-performance ratio; accuracy ?3% for RH and ?0.2% for temperature; excellent long term sensor stability; and lower temperature dependence of humidity probe ? 0.05% RH/ ?C. Applications: humidifiers and dehumidifiers; climate controls in museums; monitoring and controlling of storage rooms; controlling photostatic machines; commercial metrological application; and chemicals and pharmaceutical industries. Specifications: range ? temperature ? 0 to 50?C, humidity ? 20 to 95% RH; resolution ? ?0.1?C/?0.1%RH; calibration ? temperature ? PT-100 RTD, humidity ? capacitance type sensor; display ? 3? digits, 7-segment red LED display with 12.5 mm character height, each for temperature and humidity indication; accuracy ? temperature ? ?0.2% ?1 digit, humidity ? ?3% RH; response time ? 60 sec, typical for 90% change; temperature drift ? typical 0.05% RH/?C; probe ? ABS plastic housing with dust filter cap and 500 mm cable; power supply ? 230 V AC ?10%; size ? 92 (W) x 92 (H) x 150 mm (D); and ambient ? 10 to 50?C and 90% relative humidity. Options: multipoint ? up to 16 channels, microprocessor based unit with serial interface, real time clock, parallel centronics printer port available; controller with following specifications provided ? number of control points up to four set points ? 2 for temperature control and 2 for humidity control; type of control ? On/Off or time proportional type; setting method ? potentiometric; setting accuracy ? ?2% of span; control output ? 1 changeover relay contact, 3 A resistive load capacity at 230 AC; relay status ? indicated by red LED; and portable battery operated hand-held model is available.