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Copyright HT ITALIA 2013

Release EN 2.00 - 24/01/2013

ENGLISH

User’s manual

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Summary of Contents for HT32

Page 1: ... Copyright HT ITALIA 2013 Release EN 2 00 24 01 2013 ENGLISH User s manual ...

Page 2: ... 4 Disable Auto Power OFF 8 4 3 Measurements 9 4 3 1 DC Voltage measurement 9 4 3 2 AC Voltage measurement 10 4 3 3 DC Current measurement 11 4 3 4 AC Current measurement 12 4 3 5 Frequency measurement 13 4 3 6 Resistance measurement 14 4 3 7 Diode test and continuity test 15 4 3 8 Capacitance measurement 16 5 MAINTENANCE 17 5 1 General Information 17 5 2 Battery Replacement 17 5 3 Fuse Replacemen...

Page 3: ...he following symbols are used CAUTION refer to the instruction manual an improper use may damage the instrument or its components Danger high voltage risk of electric shock Double insulated meter AC voltage or current DC voltage or current 1 1 PRELIMINARY This instrument has been designed for use in environments of pollution degree 2 It can be used for VOLTAGE and CURRENT measurements on installat...

Page 4: ...ge first disconnect the test leads from the circuit under test in order to avoid any accident When the instrument is connected to measuring circuits never touch any unused terminal When measuring resistors do not add any voltage Although there is a protection circuit excessive voltage could cause malfunctioning If during measurement the displayed values remain constant check whether the HOLD funct...

Page 5: ...s are measurements on distribution boards circuit breakers wiring including cables bus bars junction boxes switches socket outlets in the fixed installation and equipment for industrial use and some other equipment for example stationary motors with permanent connection to fixed installation Measurement category II is for measurements performed on circuits directly connected to the low voltage ins...

Page 6: ...nce of distorted waves readings are different Mean value instruments provide only the value of the fundamental wave while TRMS instruments provide the value of the entire wave including harmonics within the passband of the instrument Accordingly if the same quantity is measured with both kinds of instruments the measured values are identical only if the wave is purely sinusoidal Should it be disto...

Page 7: ...urn back the instrument for any reason please follow the instructions mentioned in paragraph 7 3 2 SUPPLY VOLTAGE The instrument is powered by batteries mod 9V NEDA1604 JIS006P IEC6F22 included in the packaging Battery life is approx 300 hours When batteries are low the symbol is displayed To replace insert batteries follow the instructions indicated in paragraph 5 2 3 3 CALIBRATION The instrument...

Page 8: ...RUCTIONS 4 1 INSTRUMENT DESCRIPTION 4 1 1 Front panel LEGEND 1 LCD display 2 Functions keys 3 Rotary selector 4 A input for AC DC current measurements 5 HzV A input for other measurements 6 COM input Fig 1 Instrument description ...

Page 9: ...TO symbol disappears from the display Press RANGE cyclically to change the measuring range and fix the decimal point on the display To exit this function keep RANGE key pressed for at least 1 second or rotate the selector to another position 4 2 3 HOLD By pressing HOLD the measured value is frozen on the display where the symbol HOLD appears To exit this function press HOLD again or rotate the sel...

Page 10: ... respectively The voltage value will be displayed with automatic detection of the range 4 Press RANGE key to activate the manual mode the AUTO symbol disappears from display Press cyclically RANGE to change the position of the decimal point on the display To activate the Autorange function keep pressed RANGE for at least 1 second 5 The message OL means that the voltage exceeds the measuring limits...

Page 11: ...e poles of the circuit under test respectively The voltage value will be displayed with automatic detection of the range 4 Press RANGE key to activate the manual mode the AUTO symbol disappears from display Press cyclically RANGE to change the position of the decimal point on the display To activate the Autorange function keep pressed RANGE for at least 1 second 5 The message OL means that the vol...

Page 12: ... manual mode the AUTO symbol disappears from display Press cyclically RANGE to change the position of the decimal point on the display To activate the Autorange function keep pressed RANGE for at least 1 second 7 The message OL means that the current exceeds the measuring limits In this case disconnect the test leads from the circuit under test to avoid damaging the instrument or endanger your own...

Page 13: ...ries with the circuit under test as indicated in Fig 4 5 Power the circuit under test The current value is displayed 6 Press RANGE key to activate the manual mode the AUTO symbol disappears from display Press cyclically RANGE to change the position of the decimal point on the display To activate the Autorange function keep pressed RANGE for at least 1 second 7 The message OL means that the current...

Page 14: ... poles of the circuit under test respectively The voltage value will be displayed with automatic detection of the range 4 Press RANGE key to activate the manual mode the AUTO symbol disappears from display Press cyclically RANGE to change the position of the decimal point on the display To activate the Autorange function keep pressed RANGE for at least 1 second 5 The message OL means that the freq...

Page 15: ...tance value will be displayed with automatic detection of the range 4 Press RANGE key to activate the manual mode the AUTO symbol disappears from display Press cyclically RANGE to change the position of the decimal point on the display To activate the Autorange function keep pressed RANGE for at least 1 second 5 The message OL means that the resistance exceeds the measuring limits In this case dis...

Page 16: ...jack Fig 8 3 Connect the red lead to the positive side anode of the diode and the black lead to the negative side cathode The meter displays the diode voltage to approximately 0 4 0 9V for good junction 4 Reverse the connections and measure the voltage across the diode again The message OL on the display corresponds to a correct junction 5 The continuity test is always active and the test is perfo...

Page 17: ...ector on 2 Insert the test leads into the jacks the red plug into HzV A jack and the black plug into COM jack Fig 9 3 Connect the test leads to the capacitor terminals taking care of the shown polarity The capacitance value will be displayed with automatic detection of the range 4 Press RANGE key to activate the manual mode the AUTO symbol disappears from display Press cyclically RANGE to change t...

Page 18: ...ttery liquid which could damage the its inner components 5 2 BATTERY REPLACEMENT When the symbol is displayed batteries need replacement CAUTION Before replacing batteries disconnect the test leads from any energized circuits to avoid electrical shocks LEGEND 1 Turn OFF the meter and disconnect the test leads from the input terminals 2 Remove the protective holster from the meter 3 Unscrew the bat...

Page 19: ...remove the battery 4 Remove the defective fuse and install a new fuse of the same size and rating fast type 10A 1000V Make sure the new fuse is centered in the fuse holder Re screw the battery cover and reposition the protective holster Fig 11 Fuse replacement 5 4 CLEANING To clean the instrument use a soft dry cloth Never use a wet cloth solvents or water 5 5 END OF LIFE CAUTION this symbol indic...

Page 20: ...eform 50 60Hz only for 600 0mV range Basic accuracy is specified for sinusoidal waveform up to 4000 counts Over 4000 counts add 0 6 rdg to the accuracy For non sinusoidal waveform below 2000 counts add 1 5 rdg for crest factor from 1 4 to 3 DC Current Range Resolution Accuracy Output voltage Overload protection 600 0 A 0 1 A 1 0 rdg 2dgt 4mV A 600Vrms 6000 A 1 A 6 000A 1mA 2V max Fast fuse 10A 100...

Page 21: ...d protection 6 000nF 0 001nF 1 9 rdg 8dgt 600V rms 60 00nF 0 01nF 600 0nF 0 1nF 6 000 F 0 001 F 60 00 F 0 01 F 600 0 F 0 1 F 6 000mF 0 001mF 6 1 1 Electrical specifications Conversion TRMS Measuring rate 1 5 times per second Temperature coefficient 0 15 accuracy C 18 C and 28 C NMRR Normal Mode Rejection Ratio 50dB for DC parameters and 50 60Hz CMRR Common Mode Rejection Ratio 100dB from DC up to ...

Page 22: ...ications 4 Digits with max reading 6000 counts symbol and decimal point Over range indication OL or OL 6 2 ENVIRONMENT 6 2 1 Environmental conditions Reference temperature 23 5 C 73 41 F Working temperature 0 30 C 32 86 F Relative humidity 80 Storage temperature 20 60 C 4 140 F Storage humidity 80 6 2 2 EMC and LVD This product conforms to the prescriptions of the European directive on low voltage...

Page 23: ...y by previous attempts for repair carried out by non skilled or unauthorized personnel Instruments for whatever reason modified by the customer himself without explicit authorization of our Technical Dept Use not provided by the instrument s specifications or in the instruction manual The contents of this manual may not be reproduced in any form whatsoever without the manufacturer s authorization ...

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