Инструкция для UNI-T UTM 1204A (UT204A)

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    Shock or damage of clamp meter.
6. To operate the instrument carefully under DC 60V 
    or AC 30V to avoid electric shock.
7. Do not measure voltage or current which  is more 
    than permissible input value. Be sure to place 
    function range switch to the maximum range 
    position if scope of measured value cannot be 
    determined. Be sure to cut off circuit power and 
    discharge all capacitors before ON/OFF 
    measurement of online resistance, diode or 
    circuit. To disconnect probe and measured circuit 
    then remove  probe from input end of  clamp meter 
    and cut off power after measurement.
8. To replace battery in a timely manner during  
    display of LCD display to guarantee high 
    measurement precision. To take battery out if 
    clamp meter has not been used for a long time.
9. Please do not alter internal wiring of  clamp meter 
    randomly to avoid instrument damage and safety 
    danger.
10.Do not store or use clamp meter in environment 
    in high-temperature, high-humidity, combustible, 
    explosive and strong current  magnetic environment.
11.Please clean the instrument shell by soft cloth 
    and neutral detergent during maintenance. Do 
    not use abrasive or solvent to avoid shell 
    corrosion which may cause instrument damage 
    and safety danger.

IV.ELECTRIC SYMBOLS

Duplex insulation
AC
Diode
Warning prompt
AC or DC
To meet European Union standard.

Grounding
DC
Deficient battery
Buzzing ON/OFF

V.Appearance Structure (shown in 
   Figure 1)

1. Input end;
2. LCD digit display;
3. Function key: To select basic functions;
4. Measurement function knob: White mark is 
    initially set value; Blue mark  is validated after 
    selecting blue key;
5. Clamp head trigger: To press the trigger to 
    loosen clamp head.  Clamp head will be tightened 
    again locally if loosening the  trigger;
6. Hand protection: It is designed to guarantee  
    safety when hand of users  touching dangerous 
    zone;
7. Clamp head: It is a device to  measure AC/DC 
    current to convert current to  voltage. Single 
    conductor of measured current must pass through 
    center of clamp head perpendicularly;

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Figure 1

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