Testboy TV 441, Руководство по эксплуатации

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Safety
Testboy
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TV 441 19
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Safety
The earth resistance tester corresponds with the safety specifications for electronic measurement, control and
laboratory devices. It was designed and produced in accordance with the current safety standard, corresponds with
the pollution degree II and is subject to the measurement category CAT III 300 V.
This operating manual includes warnings and safety instructions which require compliance in order to prevent
personal injury and to guarantee the state of the measuring instrument over the long-term. Please make sure you
read this manual before using the measuring instrument and follow the instructions which it contains. Failure to
comply with the instructions in this manual can result in injury or damage to the measuring instrument.
Danger: Improper use results in serious or fatal injury.
Warning: Improper use can result in serious or fatal injury.
Caution: Improper use can result in personal injury or damage to the measuring instrument.
Danger
|
Before performing a measurement, ensure that the rotary switch is in the correct position.
| Never use the measuring instrument in proximity to explosive gases, steams or dust.
| Never connect the test leads or test rods with wet hands or if the surface of the measuring
instrument is damp.
| Never touch the test leads or test rods during measurement.
|
Do not open the battery compartment whilst the measuring instrument is working.
Warning
|
Do not continue a measurement under abnormal conditions, e.g. if the housing of the measuring
instrument has suffered damage which reveal metal parts of the measuring instrument.
|
Do not replace or modify parts of the measuring instrument without authorisation. Always take
the measuring instrument to the local stockist for repair or inspection.
| Do not change the batteries if the surface of the measuring instrument is damp.
|
Before replacing the batteries, turn the rotary switch to “OFF” and disconnect the test leads.
Caution
| Before conducting a measurement, ensure that the test leads are completely inserted in the
connection.
|
Remove the batteries if the measuring instrument is no longer to be used.
| Do not subject the measuring instrument to sunlight, high temperatures, dampness or dew.
| Only clean the measuring instrument with a neutral solvent or a damp cloth, not with scouring
agents or organic solvents.
| Store the measuring instrument in a dry state only.
Caution
The use of the measuring instrument in a strongly high-frequency electromagnetic field (c. 3 V/m) can restrict the
measuring accuracy. The measuring result can deviate strongly from the actual value.