HT Italia FLASHMETER User Manual Download

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FLASHMETER

EN - 13

7. TECHNICAL SPECIFICATIONS

7.1. TECHNICAL

CHARACTERISTICS

Accuracy calculated as ±[%r (num. digits*resol)] referred to 18°C



28°C,<70%HR.

DC voltage (Autorange)

Range Resolution

Accuracy

Input

impedance

Protection against

overcharge

400.0V

0.1V



(1.0%rdg+5digits)

>10M

Ω

600VDC/ACrms

600.0V

AC TRMS voltage (Autorange)

Range Resolution

Accuracy (*)

(40Hz



1kHz)

Input impedance

Protection against

overcharge

400.0V

0.1V



(1.0%rdg+5digits)

>9M

Ω

600VDC/ACrms

600.0V

(*) Accuracy specified from 5% to 100% of the measuring range.

Resistance (Autorange)

Range

Resolution

Accuracy

Protection against overcharge

40.0



0.1





(2.0%rdg+18digits)

600VDC/ACrms

400.0





(2.0%rdg+10digits)

4.000k



0.001k



40.00k



0.01k



400.0k



0.1k



Continuity test with buzzer

Function Buzzer

Test

current

Protection against

overcharge

<40



<0.3mA 600VDC/ACrms

Summary of Contents for FLASHMETER

Page 1: ... Copyright HT ITALIA 2017 Version EN 1 00 28 02 2017 ENGLISH User manual ...

Page 2: ...scription of function keys 7 4 3 1 ON OFF key 7 4 3 2 AutoHold 7 4 3 3 V Ω key 7 4 3 4 Detection of AC voltage without contact 7 4 3 5 Auto Power Off function 7 5 OPERATING INSTRUCTIONS 8 5 1 1 DC voltage measurement 8 5 1 2 AC voltage measurement 9 5 1 3 Resistance measurement 10 5 1 4 Continuity test 11 6 MAINTENANCE 12 6 1 General information 12 6 2 Replacing the battery 12 6 3 Cleaning the ins...

Page 3: ... 20V since a risk of electrical shock exists In this manual and on the instrument the following symbols are used Warning observe the instructions given in this manual improper use could damage the instrument or its components High voltage danger electrical shock hazard Double insulated meter AC voltage DC voltage 1 1 PRELIMINARY INSTRUCTIONS This instrument has been designed for use in environment...

Page 4: ...t 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 performed on installations inside buildings Examples are measurements on distribution boards circuit breakers wiring including...

Page 5: ...VALUE meters instruments measuring 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 readings 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 instruments ...

Page 6: ... recommend checking that the packaging contains all components indicated in 7 3 1 In case of discrepancy please contact the Dealer In case the instrument should be returned please follow the instructions given in 8 3 2 INSTRUMENT POWER SUPPLY The instrument is supplied with 2x1 5V alkaline batteries type AAA IEC LR03 included in the package When the battery is flat the symbol appears on the displa...

Page 7: ...Input terminal COM 9 Input terminal V Ω Fig 1 Description of the instrument 4 2 DESCRIPTION OF THE SYMBOLS SHOWN ON THE DISPLAY CAPTION 1 Activated white light torch 2 Active A HOLD function 3 Auto Power Off APO 4 Activation of continuity test 5 Presence of high voltage 6 Measuring unit 7 DC voltage 8 LCD display 9 AC voltage 10 Low battery symbol Fig 2 Description of the symbols shown on the disp...

Page 8: ...fter approx 30s seconds 4 3 3 V Ω key CAUTION The instrument switches on in Ω mode The instrument automatically switches to VAC or VDC if the following voltages are detected VAC ca 1 5V VDC ca 1 0V The instrument automatically switches to Ω mode with the following measured voltages VAC and VDC ca 0 6V Press the V Ω key to manually select resistance measurement and continuity test 4 3 4 Detection o...

Page 9: ...OL appears on the display 2 Insert the red cable into input terminal V Ω and the black cable into input terminal COM 3 Position the red lead and the black lead respectively in the spots with positive and negative potential of the circuit to be measured see Fig 3 The instrument automatically switches to DC voltage measurement for value ca 1 0V The display shows the value of voltage 4 The message O ...

Page 10: ...F key The measuring mode Ω is automatically selected and the indication OL appears on the display 2 Insert the red cable into input terminal V Ω and the black cable into input terminal COM 3 Position the test leads in the desired spots of the circuit to be measured see Fig 4 The instrument automatically switches to AC voltage measurement for value ca 1 5V The display shows the value of voltage 4 T...

Page 11: ...instrument by pressing the ON OFF key The measuring mode Ω is automatically selected and the indication OL appears on the display 2 Insert the red cable into input terminal V Ω and the black cable into input terminal COM 3 Position the test leads in the desired spots of the circuit to be measured see Fig 5 The display shows the value of resistance 4 The message O L indicates that the value of resi...

Page 12: ...test 1 Switch on the instrument by pressing the ON OFF key The measuring mode Ω is automatically selected and the indication OL appears on the display 2 Press the V Ω key until the symbol appears on the display 3 Insert the red cable into input terminal V Ω and the black cable into input terminal COM 4 Position the test leads in the circuit to be measured see Fig 6 The continuity buzzer activates ...

Page 13: ... Only expert and trained technicians should perform this operation Before carrying out this operation make sure you have disconnected all cables from the input terminals 1 Switch off the instrument by pressing the ON OFF key 2 Loosen the battery compartment cover fastening screw and remove the cover 3 Remove the batteries and insert the same number of new batteries of the same type see 7 1 2 respe...

Page 14: ... TRMS voltage Autorange Range Resolution Accuracy 40Hz 1kHz Input impedance Protection against overcharge 400 0V 0 1V 1 0 rdg 5digits 9MΩ 600VDC ACrms 600 0V Accuracy specified from 5 to 100 of the measuring range Resistance Autorange Range Resolution Accuracy Protection against overcharge 40 0 0 1 2 0 rdg 18digits 600VDC ACrms 400 0 2 0 rdg 10digits 4 000k 0 001k 40 00k 0 01k 400 0k 0 1k Continui...

Page 15: ...eristics 4 digit LCD 4000 dots decimal sign and point with backlight Out of range indication OL symbol on the display Sampling frequency 3times s Conversion TRMS 7 2 ENVIRONMENT 7 2 1 Environmental conditions for use Reference temperature 18 C 28 C 64 F 82 F Operating temperature 0 C 50 C 32 F 122 F Allowable relative humidity 75 HR Storage temperature 20 C 60 C 4 F 140 F Storage humidity 80 HR Me...

Page 16: ...sequence 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 ...

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