Operating Instructions for Hand-held Measuring Instrument P300W
Contents
1. Operating Instructions for Hand held Measuring Instrument P300W Kat no 31 1020 Commissioning Remove the protective film from the film keyboard Open the battery compartment on the rear of the instrument and if present remove the battery circuit breaker strip The instrument switches itself on and is immediately ready for operation after inserting the batteries Button ON OFF The measuring instrument can be switched on and off with this button AUTO OFF function The instrument switches itself off automatically after approx 15 minutes if no button has been pressed during this time Button C F This button is provided for switching over the display between C and F The currently active temperature units are retained even after switch off Button HOLD The temperature reading currently shown in the display is frozen when the HOLO button is pressed When the HOLD button is pressed again the instrument returns to measuring mode and shows the actual temperature Button MODE When the MODE button is pressed for the first time the maximum temperature value appears in the display The corresponding minimum temperature value is displayed when this button is pressed again On the third press of this button the instrument returns to normal display of the actual temperature values To cancel the MAX and MIN values hold the MODE button pressed for about 3 seconds while in MAX or MIN mode The display shows To show the ac2. tual tem perature value again press the MODE button once more Display illumination Press the illumination button The display is then illuminated for approx 5 seconds Thereafter the illumination switches off automatically Battery replacement Replace the batteries when the instrument displays meaningless values on pressing the buttons Technical Data Measuring range 40 C to 200 C Resolution 0 1 C through the measuring range Accuracy 1 C from 10 C to 100 C otherwise 2 C Sensor NTC resistor Permissible operating temperature range 0 C 40 C Operating voltage 2 size AA cells 1 5V each Battery life approx 1 year depending on total time in switched on state and illumination Case dimensions approx 130 x 70 x 25 mm L x W x H Weight approx 130 g
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