HT instruments HT300 - Manual (Page 7)

HT300
EN - 6
4.3. TEMPERATURE MEASUREMENT
CAUTION
Maximum input voltage is 24V DC or ACRMS. Do not attempt to apply any
voltage that exceeds the limits indicates in this manual to avoid electrical
shock hazard or damage the instrument.
1. Insert the connectors of the type K or J probe on T1 input terminal respecting the
polarity (+) and (-) (see Fig. 1) shown on the instrument and on the connector of probe
2. Switch on the instrument by pushing key
3. The temperature value is shown on the display
4. Press it is necessary the HOLD key to freeze result at display
5. Switch off the instrument after measurement by pushing
key
5. MAINTENANCE
5.1. GENERAL INFORMATION
1. This digital meter is a precision instrument. Whether in use or in storage, please do not
exceed the specification requirements to avoid any possible damage or danger during
use
2. Do not place this meter in high temperature or expose to direct sunlight
3. Be sure to turn the meter off after use. For long time storage, remove the battery to
avoid leakage of battery liquid that would damage the interior parts
5.2. BATTERY
REPLACEMENT
When LCD displays the symbol " " replace battery.
CAUTION
Only expert and trained technicians must perform this operation. Remove all
the probes from the devices under test before replacing the battery.
1. Switch OFF the instrument.
2. Remove the temperature probe
3. Remove the battery cover
4. Carefully remove the battery from the battery fastener
5. Set the new battery into battery fastener, and return it to the battery case
6. Replace the battery cover
7. Use the appropriate battery disposal methods for Your area
5.3. CLEANING
For cleaning the instrument use a soft dry cloth. Never use a wet cloth, solvents or water,
etc.
5.4.
END OF LIFE
CAUTION: this symbol indicates that equipment, its accessories and battery
shall be subject to a separate collection and proper disposal.