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The HD2328.0 with two inputs is a portable instrument with a large LCD display. It measures the temperature using immersion, penetration air or contact probes. The sensor may be a thermocouple of type K, J, T or E. The Max, Min and Avg function calculate the maximum, minimum or average values. Other functions include: the relative measurement REL, the HOLD function, and the automatic turning off that can also be disabled. The instruments have IP67 protection degree. INSTRUMENT TECHNICAL CHARACTERISTICS Instrument Dimensions ( Length x Width x Height) 140x88x38mm Weight 160g ( complete with batteries) Materials ABS Display 2x41D2 digits plus symbols Visible area: 52x42mm Operating conditions Operating temperature -5… 50° C Warehouse temperature -25… 65° C Working relative humidity 0… 90% RH without condensation Protection degree IP67 Power Batteries 3 1.5V type AA batteries Autonomy 200 hours with 1800mAh alkaline batteries Power absorbed with instrument off 20¼ A Measuring unit ° C - ° F Connections Input for probes 2-pole female polarized standard miniature connector Measurement of temperature by Instrument TC measurement range: K -200 … + 1370° C TC measurement range: J -100 … + 750° C TC measurement range: T -200 … + 400° C TC measurement range: E -200 … + 750° C Resolution 0.1° C Instrument accuracy Thermocouple K ± 0.1° C up to 600° C ± 0.2° C over 600° C Thermocouple J ± 0.1° C up to 400° C ± 0.2° C over 400° C Thermocouple T ± 0.1° C Thermocouple E ± 0.1° C up to 300° C ± 0.2° C over 300° C The accuracy only refers to the instrument. Error due to the thermocouple or to the cold junction reference sensor is not included. Temperature drift @ 20° C 0.02% / ° C Drift after 1 year 0.1° C/ year