14 Temperature 14.21 www.hannainst.com | thermistor thermometers Thermistor probes begin on page 14.21; calibration test keys begin on page 14.21 HI762 HI762 Thermistor Probes General Specifications Sensor Range Accuracy Interchange Error Connector Type NTC Thermistor -50 to 150°C (-58 to 302°F) ±0.2°C (±0.4°F) ±0.2°C (±0.4°F) RCA HI762A Air and Gas Probe Specifications Code Response time (90% of final value) Probe Dimensions Probe Material Probe Handle Probe Handle Color Cable Type Cable Color/Length HI762A 5 seconds L 100 mm x dia 3 mm (3.9 x 0.12”) AISI 316 stainless steel Polypropylene (PP) white PVC/straight white /1 m (3.3’) Cable Specifications Code Response time (90% of final value) Probe Dimensions Probe Material Probe Handle Probe Handle Color Cable Type Cable Color/Length HI762L 5 seconds L 100 mm x dia 3 mm (3.9 x 0.12”) AISI 316 stainless steel Polypropylene (PP) white PVC/straight white /1 m (3.3’) Cable HI762L/2 5 seconds L 100 mm x dia 3 mm (3.9 x 0.12”) AISI 316 stainless steel Polypropylene (PP) white PVC/straight 2 m (6.6’) Cable HI762L/10 5 seconds L 100 mm x dia 3 mm (3.9 x 0.12”) AISI 316 stainless steel Polypropylene (PP) white PVC/straight black /10 m (32.8’) Cable HI762BL 6 seconds L 100 mm x dia 3 mm (3.9 x 0.12”) AISI 316 stainless steel Polypropylene (PP) black PVC/straight 1 m (3.3’) Cable HI762L, HI762BL Liquid Probe, General Purpose 205 mm 8” 100 mm 3.9” 3 mm 0.12” 205 mm 8” 100 mm 3.9” 3 mm 0.12” Calibration Test Keys for Thermistor Thermometers For measurements that are always reliable, thermometers must be calibrated periodically. Hanna test keys offer a fast and simple way of checking the accuracy of your instruments. Connect the key to the probe input. If the reading on the display differs more than 0.4°C (0.8°F) from the key rated value, your thermometer should be recalibrated at our technical service center. Test Keys for Thermometers Using HI762 Probes HI762-18C Test key at -18°C HI762000C Test key at 0°C HI762070C Test key at 70°C HI762-004F Test key at -0.4°F HI762032F Test key at 32°F HI762158F Test key at 158°F For periodic verification of your thermometer’s calibration, it is recommended to check at least two points. Choose the test keys with the nominal values closest to the temperature usually measured.
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