background image

4

OFF

3000A

~

V

~

Hz

Ù

°C/°F

mV

~

400A

D. HOLD 

Light 

> 2 Sec 

Push Button

REL

SELECT 

Hz / 

DUTY 

MAX/MIN

Figure 3. Push Button

1. REL 

r

?

 Pressing this button, the meter enters relative 

   measuring mode, “REL

p

” is displayed on the

   LCD and  the  present  reading  becomes  the 
   reference   value    and    displayed    on    the 
   secondary display. Relative measurement has
   two modes. 

REL 

p

  = 

measurement 

   value-reference value, the other is REL%=
   (REL

p

/Reference value) x100%(press 

    SELECT to select REL 

r

 or REL % mode)..

3

METER DESCRIPTION 

q

 Terminals 

Refer to table 1 for terminal function

Function 

Common terminal for all measurement 

Terminal 

COM

V/

Ù/Hz

Volts, Ohm, Diode, Freq., Temp. 

and Cap. Measurement and square 

wave output terminal 

Table 1. Terminals

COM

V

Ù

Hz

 1000V
750V  

~

MAX

AC True RMS
DC / AC CLAMP

Figure 1. terminals

ROTARY  SWITCH

Position of 

Rotary switch 

Function 

400A  

~

3000A  

~

V  

~

mV  

~

Hz

Ù

°C/°F

DC& AC Ampere current 

DC&AC Ampere current 

DC&AC Voltage 

DC&AC millivolts 

Resistance, Diode & continuity 

Capacitance

Temperature 

Power off

Duty cycle / Frequency

Table 2.Rotary switch functions

off

Summary of Contents for 860A

Page 1: ...DIGITAL DUAL DISPLAY AC DC CLAMP METER MODEL 860A OPERATION MANUAL...

Page 2: ...tance Capacitance Diode And Audible Continuity Test Frequency Duty Cycle Temperature Operation DC and AC Voltage Measurement DC Current Measurement AC Current Measurement Resistance Measurement Capaci...

Page 3: ...safety information must be observed to insure maximum personal safety during the operation of this meter 1 1 Do not operate the meter if the body of meter or the test lead look broken 1 2 Check the m...

Page 4: ...e x100 press SELECT to select REL r or REL mode 3 METER DESCRIPTION q Terminals Refer to table 1 for terminal function Function Common terminal for all measurement Terminal COM V Hz Volts Ohm Diode Fr...

Page 5: ...while the analog bar graph continues to display the updated value In the auto hold mode the meter can display a new value when a new and stable value is on the input and the Beeper will sound 5 6 Pre...

Page 6: ...7 Express Function 1 Display LCD Dual Display facilitates to read the data 2 Clamp Light easy for test the electric current in poorly lighted places 8...

Page 7: ...9 3 Leads Cramp in the clamp Easy for fixing one Lead when you need test two separation vertices 10 4 Magnet in the meter back for fixing instruments on metal shelves Measured convenient operation...

Page 8: ...to 40 C Humidity 80 RH Storage environment Temperature 4 to 140 F 20 C to 60 C Humidity 90 RH Power supply 9V battery Dimension 275 H x120 W x32 D mm Weight Approx 562 g including battery 2 2 ELECTRIC...

Page 9: ...AC rms Impedance 10M 14 2 2 3 DC Current Range Accuracy Resolution Overload protection 3000A DC or AC rms 400A 3 0 of rdg 10digits 3 5 of rdg 20digits 5 5 of rdg 20digits 6 5 of rdg 40digits 0 1A 1A...

Page 10: ...otection 250V DC or AC rms 16 2 2 10 Temperature NiCr NiSi sensor Overload protection 36V DC or AC rms Range Accuracy Resolution C F 20 150 C 4 302 F 150 300 C 302 572 F 300 1000 C 572 1800 F 3 C 2 3...

Page 11: ...for high temperature test 18 3 3 AC Current Measurement 1 Set the selector switch to desired 400A or 3000A position 2 Press SELECT key to choose AC measurement 3 Disconnect the test leads from the me...

Page 12: ...he MAX or MIN sign will appear on the display press it over 2 seconds to exit 3 11 Back Light On any range press the D HOLD key over 2 seconds to light the back light press it again for more than 2 se...

Page 13: ...been inspected and tested in accordance with the published specifications The instrument has been calibrated by using equipment which has already been calibrated to standards traceable to national sta...

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