Itm B+K PRECISION 325 Manual Download Page 14

325 

 

EN-14 

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ZERO relative function  

1.The ZERO relative function subtracts an OFFSET   

(stored when the key has been pressed) from the  
present measurements and displays the result. 

2.To enable this function press the ZERO key for less 

than 1 second. Consequently on the display will 
appear the message "ZERO" and the relative 
value. 

3.Pressing the ZERO key again for less than 1 

second the display will show the offset; and the 
message "ZERO" start blinking. 

 

 

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MAX MIN function 

WARNING 

 

Before pressing MAX/MIN but ton, please take off 
test leads from  circuit and/or Voltage / Ohm jack to 
prevent electric surge cause high MAX figures. 

 

1.  This function allows the instrument to store the 

MIN and MAX values of the quantity selected with 
the rotary switch. 

2.  To enable this function press the MAX/MIN key 

less than 1 second; consequently on the display 
will appear the message ”MAX”. In this mode the 
clamp measures and shows the maximum value of 
the selected quantity. This value will be 
automatically update if a bigger value will occur. 

3.  Pressing again the MAX/MIN key less than 1 

second, the message “MIN” will appear on the 
display. In this mode the clamp measures and 
shows the minimum value of the selected quantity. 

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Summary of Contents for B+K PRECISION 325

Page 1: ...AC DC True RMS Power Clamp Meter ELECTRONIC TEST INSTRUMENTS MODEL 325 www com information itm com 1 800 561 8187...

Page 2: ...rement 9 7 3 DC Voltage DCV measurement 10 7 4 AC Voltage ACV measurement 10 7 5 AC DC Watt Measurement 11 7 6 Resistance measurements 11 7 7 Continuity Tests 12 7 8 Frequency measurements 13 7 9 Func...

Page 3: ...Measure AC power 3 Do not measure voltage current under humid or wet environment 4 If any unusual condition such as breakage deformation fracture foreign substance no display etc of the test leads en...

Page 4: ...tion degree 2 11 Operation Altitude Up to 2000M 12 Operating Temperature Humidity 5 40 below 80 RH 13 Storage Temperature Humidity 10 60 below 70 RH 14 Fingers should hold under the protection guard o...

Page 5: ...IS 006P battery x 1pc 6 Battery Life About 200 hours 7 Jaws opening Max 36 mm 8 Conductor size Max 35mm 9 Dimension 218mm L x75mm W x43mm H 10 Weight About 375g Including battery 11 Accessories Test L...

Page 6: ...Range Resolution Accuracy Overload Protection 400V 0 1V 600V 1V 40Hz 400Hz 1 2 5 400Hz 2kHz 2 0 5 600Vrms Input Impedance 10M less than 100Pf Crest factor 3 1 VOLTAGE 1 mS PEAK HOLD Range Resolution...

Page 7: ...Protection 4KHZ 1HZ 40KHZ 10HZ 400KHZ 100HZ 0 5 3 5Vrms DC600V AC600V rms 5 INSTRUMENT DESCRIPTION fig 1 1 Inductive clamp jaw 2 Safety guard 3 HOLD button 4 Rotary switch Selector 5 MAX MIN key 6 LCD...

Page 8: ...otary switch to A 2 Check if the display shows zero in advance If the display doesn t show zero press ZERO key 3 Open the clamp and put the tested conductor in the center of the clamp jaw taking care...

Page 9: ...th the meter s terminal for current measurement 1 Set the rotary switch to A 2 Open the clamp and put the tested conductor in the center of the clamp jaw 3 The current value will be indicate on the di...

Page 10: ...ding will be displayed with automatic detection of the appropriate range 4 If the reading is preceded by the sign check if the Voltage polarity comply with consideration indicated 5 If the reading is...

Page 11: ...eads into the jacks The red test lead plugs into V O jack and the black test lead plugs into COM jack 3 Connect the two long ends of test leads with the desired circuit Inductive clamp jaw on to the a...

Page 12: ...suring the resistance please be sure to remove power from the circuit being tested and discharge all the capacitors If the reading is over range the symbol OL will be displayed 1 Set the rotary switch...

Page 13: ...automatic detection of the appropriate range 4 If the reading is difficult press the HOLD key to hold the obtained value To exit from this function press HOLD key again The analogy barograph isn t aff...

Page 14: ...test leads from circuit and or Voltage Ohm jack to prevent electric surgecause high MAX figures 1 This function allows the instrument to store the MIN and MAX values of the quantity selected with the...

Page 15: ...MAX MIN function will be disable if l The MAX MIN is pressed for more than 1 second l The position of the rotary switch is changed PEAK H PEAK HOLD function 1 Set the rotary switch to V A range 2 Set...

Page 16: ...g range operation 2 If this function is enabled the symbol is displayed 3 To disable this function select OFF position then select the V position while the MAX MIN key is pressed 4 Turning OFF and ON...

Page 17: ...display correct RMS readings WAVEFORM COMPARISON Table 1 illustrates the relationship between AC and DC components for common waveforms and compares readings for true RMS meters and average responding...

Page 18: ...the displayed value for average responding meter that are calibrated to display RMS for sine waves Crest Factor Peak value True value Battery Replacement WARNING I f t h e s y m b o l a p p e a r s o...

Page 19: ...loth to clean the instrument 4 Do not put the instrument in high temperature or in humid condition Being exposed to direct sunlight is prohibited 5 After finishing the measurement please turn the rota...

Page 20: ...a Linda CA 92887 within fifteen 15 days from proof of purchase Exclusions This warranty does not apply in the event of misuse or abuse of the product or as a result of unauthorized alternations or rep...

Page 21: ...s and accessories that you are using with the device Customers not on open account must include payment in the form of a money order or credit card For the most current repair charges contact the fact...

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