Comet Commeter C3121 Instruction Manual Download Page 1 | Manualshive

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Instruction manual

Commeter C3121

Digital thermometer-hygrometer
with external probe

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Summary of Contents for Commeter C3121

Page 1: ...www cometsystem com Instruction manual Commeter C3121 Digital thermometer hygrometer with external probe...

Page 2: ...onditions 6 Dimensions 7 OPERATION OF THE DEVICE 8 Switching ON and OFF the device 8 Displaying of actual measured values 8 Function HOLD storing of actual measured values and minimum a maximum memory...

Page 3: ...D display Temperature is measured by RTD sensor Ni1000 6180ppm Instrument compares measured values of temperature humidity and dew point with two adjustable levels for each measured quantity Breaking...

Page 4: ...approximately 1m s temperature step 20 C Relative humidity Measuring range 0 to 100 RH Resolution 0 1 RH Accuracy 2 5 RH from 5 to 95 RH at 23 C Response time t90 1 min with plastic sensor cover witho...

Page 5: ...refreshed in interval up to 5 s in case measured values remain stable Refresh interval is shortened to approximately 0 7 s only if measured values change Current consumption in this mode in usual oper...

Page 6: ...perating range 5 to 95 RH no condensation device 0 to 100 RH probe Temperature and rel humidity restriction The measuring range of the external probe is limited in accordance with the graph and must n...

Page 7: ...IE COM C3121 12 7 Dimensions...

Page 8: ...the measurement mode and actual measured values are displayed If instrument is ON do not disconnect or connect the probe to prevent storing of incorrect value to minimum and maximum memory Displaying...

Page 9: ...isplay minimum resp maximum value of other values Pressing MIN MAX or MENU key again to return to default mode Minimum and maximum memory is cleared from menu after confirmation selection CLR see belo...

Page 10: ...FAST mode refreshment is fastest with regular interval approximately 0 7 s In the dynamic refresh mode DYN each 15 s refresh interval of display is doubled to maximum 5 s if measured values are stable...

Page 11: ...of the arrow keys Press and hold the arrow key UP to make value increase fast Press and hold the arrow key DOWN to make value decrease fast Release the arrow key and press ENTER to confirm new limit R...

Page 12: ...f d REF and AUDI from menu selections and data in memory HOLD MIN and MAX will be lost For the same reason do not disconnect the battery for longer than 1 minute even if instrument is switched OFF If...

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