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Copyright HT ITALIA 2012

Version EN 1.01 - 19/03/2012

ENGLISH

User manual

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Summary of Contents for HT701

Page 1: ... Copyright HT ITALIA 2012 Version EN 1 01 19 03 2012 ENGLISH User manual ...

Page 2: ...to power off function 9 4 3 3 AutoTest and Manual Test mode 9 4 3 4 HFR mode 9 4 3 5 SMOOTH mode 9 4 3 6 Integrity test on internal fuse 9 4 4 Measuring operations 10 4 4 1 DC Voltage measurement 10 4 4 2 AC Voltage and Frequency measurement 11 4 4 3 DC Current measurement 12 4 4 4 AC current and frequency measurement 13 4 4 5 Resistance measurement and continuity test 14 4 4 6 Diode test 15 4 4 7...

Page 3: ...his manual Caution observe the instructions given in this manual an improper use could damage the instrument or its components Presence of dangerous voltage 30V electrical shock hazard Double insulated meter AC voltage or current DC voltage or current Connection to earth When measuring insulation do not apply between input terminals any voltage higher than 600V DC ACrms 1 1 PRELIMINARY INSTRUCTION...

Page 4: ...called overvoltage category is 6 7 4 Measured circuits reads OMISSIS Circuits are divided into the following measurement categories Measurement category IV is for measurements performed at the source of the low voltage installation Examples are electricity meters and measurements on primary overcurrent protection devices and ripple control units Measurement category III is for measurements perform...

Page 5: ...asuring the TRMS value of the quantity being tested With a perfectly sinusoidal wave the two families of instruments provide identical results With distorted waves instead the rdgs shall differ Average value meters provide the RMS value of the sole fundamental wave TRSM meters instead provide the RMS value of the whole wave including harmonics within the instrument s bandwidth Therefore by measuri...

Page 6: ...lease follow the instructions given in 7 3 2 INSTRUMENT POWER SUPPLY The instrument is supplied with four 1 5V AA IEC LR6 alkaline batteries included in the package In order to prevent compromising its charge the battery is not inserted in the instrument For battery installation follow the instructions given in 5 1 When the batteries are flat the symbol appears on the display To replace insert the...

Page 7: ... Auto Backlight 2 LCD display 3 STORE RECALL key 4 HOLD LOCK key 5 RANGE key 6 Hz 0 key 7 MAX MIN key 8 MODE key 9 TEST key 10 Rotary selector switch 11 Input terminal Hz CV 12 Input terminal COM 13 Input terminal INSULATION 14 Input terminal mA Fig 1 Instrument description ...

Page 8: ... the minimum value currently shown on the display Press and hold the MAX MIN key for 2 seconds the MODE key the RANGE key or turn the rotary switch to exit the function In RECALL function recalling the data saved in the memory on the display see 4 2 5 the key allows selecting the memory cell before the one currently shown on the display 4 2 3 Hz 0 key Pressing the Hz 0 key in functions V mV and mA...

Page 9: ...y and the indication of the memory location is taken back to 0 As an alternative press and hold the STORE RECALL key while switching on the instrument Press the STORE RECALL key again or turn the rotary switch to exit the function 4 2 6 RANGE 50V 1kV key Pressing the RANGE 50V 1kV key allows the following operations Manual selection of the measuring range of the different functions except for posi...

Page 10: ... detection of AC or DC measurement of voltage or current The message AUTOTEST is shown on the display This is the mode set whenever the instrument is switched on Manual Test it allows manually setting the AC or DC measurement of voltage or current Press the MODE key to switch from AutoTest mode to Manual mode The message AUTOTEST disappears from the display and the modes DC or AC can be selected b...

Page 11: ...the measuring range see 4 2 6 or use Autorange selection If voltage value is unknown select the highest range 4 Insert the red cable into input lead Hz CV and the black cable into input lead COM 5 Position the red lead and the black lead respectively in the points with positive and negative potential of the circuit to be measured The display shows the value of voltage 6 If the display shows the me...

Page 12: ...se the RANGE key for manually selecting the measuring range see 4 2 6 or use Autorange selection If voltage value is unknown select the highest range 4 Insert the red cable into input lead Hz CV and the black cable into input lead COM 5 Position the red lead and the black lead respectively in the points of the circuit to be measured see Fig 3 The display shows the value of voltage 6 If the display...

Page 13: ... use Autorange selection If current value is unknown select the highest range 5 Insert the red cable into the input terminal mA and the black cable into the input terminal COM 6 Connect the red lead and the black lead in series to the circuit whose current you want to measure respecting polarity and current direction see Fig 4 7 Supply the circuit to be measured The display shows the value of curr...

Page 14: ...ly selecting the measuring range see 4 2 6 or use Autorange selection If current value is unknown select the highest range 5 Insert the red cable into the input terminal mA and the black cable into the input terminal COM 6 Connect the red lead and the black lead in series to the circuit whose current you want to measure see Fig 5 7 Supply the circuit to be measured The display shows the value of c...

Page 15: ...nto input lead Hz CV and the black cable into input lead COM 4 Short circuit the leads and if necessary press the Hz 0 key to activate the Relative measurement see 4 2 3 The symbol 0 flashes and the value on the display is zeroed 5 Position the test leads in the desired points of the circuit to be measured see Fig 6 The display shows the value of resistance 6 If the display shows the message OL se...

Page 16: ... the leads at the ends of the diode to be tested respecting the indicated polarity see Fig 7 The value of directly polarized threshold voltage is shown on the display For a good P N junction the instrument must show a value between 0 4 and 0 9V If threshold value is equal to 0mV the P N junction of the diode is short circuited 5 If the instrument shows the message OL the terminals of the diode are...

Page 17: ...for manually selecting the measuring range see 4 2 6 or use Autorange selection If the value of capacitance is unknown select the highest range 4 Insert the red cable into input lead Hz CV and the black cable into input lead COM 5 Position the leads at the ends of the capacitor to be tested respecting if necessary the positive red cable and negative black cable polarity on the capacitor to be test...

Page 18: ... colours found on it see Fig 9 4 Connect the provided K type wire probe or one of the optional probes see 6 3 2 to the instrument by means of the adapter respecting the positive and negative polarity on the probe s plug The display shows the value of temperature 5 The message OL indicates that the value of temperature exceeds the maximum measurable value 6 For using the HOLD function see 4 2 1 for...

Page 19: ...n on the display 4 If necessary press the HOLD LOCK key for selecting the LOCK mode see 4 2 1 The symbols and LOCK appear on the display 5 Insert the red remote probe into input lead and the black cable into input lead see Fig 10 6 Position the leads at the ends of the circuit to be tested respecting positive and negative polarity see Fig 10 If necessary use the alligator clips 7 Press and hold th...

Page 20: ...Battery replacement 1 Remove the test leads from the instrument 2 Remove the fastening screw and remove the battery compartment cover 3 Remove the batteries and insert the same number of batteries of the same type see 6 1 3 respecting the correct polarity then restore the battery compartment cover see Fig 11 Use the relevant containers for battery disposal Fuse replacement see 4 3 6 1 Position the...

Page 21: ... 100pF For non sinusoidal voltage consider the following crest factors CF 1 4 CF 2 0 Add 1 0 rdg to accuracy 2 0 CF 2 5 Add 2 5 rdg to accuracy 2 5 CF 3 0 Add 4 0 rdg to accuracy AC TRMS Voltage HFR mode Range Resolution Accuracy 50 60Hz Accuracy 60 5KHz Overload protection 10 000V 0 001V 0 9 rdg 3dgt 2 9 rdg 3dgt 1000VDC ACrms 100 00V 0 01V 1000 0V 0 1V In range 60 Hz 500Hz Input impedance 10M 10...

Page 22: ...nge Resolution Accuracy Minimum duration of pulse Overload protection 100 00Hz 0 01Hz 0 1 rdg 5dgt 10µs 1000VDC ACrms max 440mA 1000 0Hz 0 1Hz 10 000kHz 0 001kHz 100 00kHz 0 01kHz Signal sensitivity for frequency measure Function Range Sensitivity sinusoidal waveform 10Hz 10kHz 10kHz 100kHz AC mV 100 00mV 15 00mV 1000 0mV 150 0mV AC V 10 000V 1 500V 100 00V 3V 1000 0V 30V AC mA 100 00mA 15 00mA 40...

Page 23: ... 50V DC 2 000M 1 5 rdg 5dgt 600VDC ACrms 20 00M 55 0M 100V DC 2 000M 20 00M 110 0M 250V DC 2 000M 20 00M 200 0M 275M 500V DC 2 000M 20 00M 200 0M 550M 1000V DC 2 000M 20 00M 200 0M 2000M 22 0G 10 rdg 3dgt Test voltage accuracy 20 rdg 0 rdg Short circuit current 1mA Minimum resistance nominal current 1mA 50k 50V 100k 100V 250k 250V 500k 500V 1M 1000V Discharge time of measured object 1s C 1µF Maxim...

Page 24: ...es Power supply Battery type 4 x 1 5V alkaline type AA IEC LR6 Low battery indication symbol with battery voltage approx 4 8V Battery life approx 80 hours 600 insulation test with new batteries at room temperature 1M 1kV duty cycle of 5s on and 25s off Auto Power Off after 20 minutes of idleness disabled Memory Characteristics max 100 locations for each function Display Characteristics 5 LCD 10000...

Page 25: ...to metal surfaces Protection holster Batteries not inserted User manual 6 3 2 Optional accessories Couple of test leads Cod 4413 2 K type probe for air and gas temperature Cod TK107 K type probe for semisolid substance temperature Cod TK108 K type probe for liquid substance temperature Cod TK109 K type probe for surface temperature Cod TK110 K type probe for surface temperature with 90 tip Cod TK1...

Page 26: ...quence of improper packaging Repairs which may become necessary as a consequence of interventions performed by unauthorized personnel Modifications to the instrument performed without the manufacturer s explicit authorization Use not provided for in the instrument s specifications or in the instruction manual The content of this manual cannot be reproduced in any form without the manufacturer s au...

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