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HT Italia HT8100, User Manual

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HT Italia HT8100 User Manual Download Page 7

   HT8100 

 

 

EN - 6

4. OPERATING INSTRUCTIONS 

4.1. INSTRUMENT 

DESCRIPTION 

 

CAPTION: 
1.

 

Auto Backlight 

2.

 

LCD display 

3.

 

Function keys 

4.

 

MODE key 

5.

 

Rotary selector switch 

6.

 

Input terminal COM 

7.

 

Input terminal mA  

8.

 

Input terminal HzV

 

9.

 

Input terminal A  

 

 

Fig. 1: Instrument description 

 

Summary of Contents for HT8100

Page 1: ...Copyright HT ITALIA 2013 Release EN 1 05 08 07 2013 ENGLISH User Manual...

Page 2: ...RECALL modes 9 4 3 6 Activation deactivation of the internal functions 9 4 3 7 Output DC current generation 10 4 3 8 Loop Power and HART 250 modes 10 4 4 Measuring operations 11 4 4 1 DC Voltage measu...

Page 3: ...gerous voltage 30V electrical shock hazard Double insulated meter AC voltage or current DC voltage or current Connection to earth 1 1 PRELIMINARY INSTRUCTIONS This instrument has been designed for use...

Page 4: ...alled 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 o...

Page 5: ...TRMS True Root Mean Square 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 Wi...

Page 6: ...please 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 battery disch...

Page 7: ...IONS 4 1 INSTRUMENT DESCRIPTION CAPTION 1 Auto Backlight 2 LCD display 3 Function keys 4 MODE key 5 Rotary selector switch 6 Input terminal COM 7 Input terminal mA 8 Input terminal HzV 9 Input termina...

Page 8: ...t the function 4 2 2 ENTER and CANCEL keys Pressing the ENTER key allows activating a function flashing on the display selected by means of the 4 arrow selector located on the front panel of the instr...

Page 9: ...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 curre...

Page 10: ...itch off the instrument then switch on the instrument again while pressing and holding the CANCEL key to delete the internal memory 4 3 6 Activation deactivation of the internal functions The followin...

Page 11: ...utput current adjustment is possible with the options STEP setting of values 0 25 50 75 100 120 125 of the selected range Quick adjustment setting of values 0 50 100 of the selected range FINE setting...

Page 12: ...se Autorange selection If voltage value is unknown select the highest range 4 Insert the red cable into input lead HzV and the black cable into input lead COM 5 Position the red lead and the black lea...

Page 13: ...RANGE key for manually selecting the measuring range see 4 2 4 or use Autorange selection If voltage value is unknown select the highest range 4 Insert the red cable into input lead HzV and the black...

Page 14: ...the red cable into input lead mA or A and the black cable into input lead COM 5 Connect the red lead and the black lead in series to the circuit whose current you want to measure respecting polarity a...

Page 15: ...easurement see 4 3 3 or press the HFR key for HFR measurement see 4 3 4 4 Insert the red cable into input lead mA or A and the black cable into input lead COM 5 Connect the red lead and the black lead...

Page 16: ...If the value of resistance is unknown select the highest range 3 Insert the red cable into input lead HzV and the black cable into input lead COM 4 Position the test leads in the desired points of th...

Page 17: ...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 instru...

Page 18: ...e options STEP 100 50 0 or END flashing on the display and confirm with the ENTER key in case of selectable current generation or press the MODE key to select the ramp type see 4 3 7 4 Insert the red...

Page 19: ...r on the front panel to select the options STEP 100 50 0 or END flashing on the display and confirm with the ENTER key in case of selectable current generation or press the MODE key to select the ramp...

Page 20: ...250 HART mode see 4 3 8 The message 250 HART is shown on the display 3 Insert the red cable into input lead A and the black cable into input lead mA 4 Connect the red lead and the black lead to the e...

Page 21: ...nt 1 Remove the test leads 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 th...

Page 22: ...this range 40Hz 1kHz For non sinusoidal voltages consider the following crest factors CF 1 4 FC 2 0 Add 1 0 reading to accuracy 2 0 FC 2 5 Add 2 5 reading to accuracy 2 5 FC 3 0 Add 4 0 reading to acc...

Page 23: ...e 2 000V 1 0 rdg 10dgt 1mA circa 3V 1000VDC ACrms AC Voltage and AC Current Frequency Range Resolution Accuracy Protection against overcharge 500 00Hz 0 01Hz 3dgt 1000VDC ACrms max 440mA 5 0000kHz 0 0...

Page 24: ...rature coefficient 0 1x accuracy C 18 C or 28 C NMRR Normal Mode Rejection Ratio 50dB for DC quantities and 50 60Hz CMRR Common Mode Rejection Ratio 100dB from DC and 50 60Hz DCV 60dB from DC and 50 6...

Page 25: ...122 F 45 RH Storage temperature 20 60 C 4 140 F batteries not inserted Storage humidity 80 RH This instrument satisfies the requirements of Low Voltage Directive 2006 95 EC LVD and of EMC Directive 2...

Page 26: ...uence 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...

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