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7

Other Functions

7

1

Sleep Function

NOTE

The  instrument  consumes  small  amount  of  current  in  the  Sleep

(power-down)  mode.    Make  sure  to  turn  the  Function  Selector

switch to the "OFF" position, when the instrument is not in use.

This is a function to prevent the instrument from being left powered

on  in  order  to  conserve  battery  life.    This  function  causes  the

instrument  to  switch  to  the  Sleep  (powered-down)  mode  about  10

minutes after the last switch or button operation.

To  exit  the  Sleep  mode,  press  any  button  or  turn  the  Function

Selector switch back to "OFF", then to any other position.

[How to disable the Sleep function]

Powering  the  instrument  on  with  the  Data  Hold  button  pressed

disables  the  Sleep  function.    "P.OFF"  is  shown  on  the  display  for

about 3 seconds to indicate this.  

To  enable  the  Sleep  function,  turn  the  Function  Selector  switch

back to "OFF", then to any other position.

NOTE

◇The  Sleep  function  is  disabled  while  the  output  plug  is  inserted

into the OUTPUT terminal.  When the output plug is disconnected

from  the  terminal,  the  Sleep  function  is  enabled  in  about  10

minutes.

― 21 ―

6

7

MAX Measurement (Response time: 400ms)

The MAX measurement mode is used to display a maximum reading

over a certain period of time.  This function is available on all ranges

other than Ω ranges.

DANGER

●Never make measurement on a circuit in the following categories;

Measurement category Ⅳ(CAT.Ⅳ)

: over AC/DC600V

Measurement category Ⅲ(CAT.Ⅲ)or lower: over AC750/DC1000V

●Do  not  make  measurement  with  the  battery  compartment  cover

removed.

●Do  not  make  measurement  with  the  test  leads  connected  to  the

instrument.

● Keep  your  fingers  and  hands  behind  the  barrier  during

measurement.

a. Set the Function Selector switch to the desired position.
b. Press the Mode button to select the MAX measurement mode. 

腋胙腴

should be shown on the display.

c.  In  order  to  take  a  correct  reading,  press  the  Zero  Adjust/Reset

button  once  after  clamping  the  jaws  onto  the  conductor  or
connecting the test leads to the circuit under test.

d. The display shows the maximum reading during measurement
e.  Press  the  Zero  Adjust/Reset  button  once  again  to  return  to  the

normal measurement mode.

NOTE

◇Data Hold function is disabled in MAX measurement mode. 
◇ For measurement over a period more than 10 minutes, disable the

Sleep  function  according  to  the  instruction  in  section 

7-1: Sleep

Function

.  Otherwise, the instrument automatically turns itself off

in about 10 minutes.

― 20 ―

Byram 

Labs

Summary of Contents for DSA-2003A

Page 1: ...6 05 Form 355 OPERATING INSTRUCTIONS DSA 2003A DIGITAL AC DC CLAMP METER B y r a m L a b s...

Page 2: ...e quick reference whenever necessary Be sure to use the instrument only in its intended applications and to follow measurement procedures described in the manual Be sure to understand and follow all s...

Page 3: ...instrument may cause sparking which can lead to an explosion The transformer jaws are made of metal and their tips are not insulated Where equipment under test has exposed conductive parts be especia...

Page 4: ...riod of time place it in storage after removing the batteries Do not expose the instrument to the direct sun extreme temperatures or dew fall Use a damp cloth and detergent for cleaning the instrument...

Page 5: ...t 23 5 45 to 85 RH 6 DC AC DC Output Voltages Input Currents Accuracy Range 400A 2000A 400A 2000A 0 to 400 0mV 0 to 200 0mV 0 to 400 0mV 0 to 100 0mV 100 1 to 200 0mV 0 to 400A 0 to 2000A 0 to 400A 0...

Page 6: ...Safety Standard IEC 61010 2 032 pollution degree 2 overvoltage CAT 600V overvoltage CAT 1000V EMC EN 61326 EN 55022 EN 61000 4 2 perfomance criterion B EN 61000 4 3 perfomance criterion B Overload Pr...

Page 7: ...shock and ensuring the minimum required air and creepage distances 11 AC DC Button Used to switch the instrument between the AC and DC modes The instrument is set to the AC mode when it is powered on...

Page 8: ...on Selector switch to the position appropriate for the order of the current under test 13 5 Preparation for Measurement 5 1 Checking Battery Voltage Set the Function Selector switch to any position ot...

Page 9: ...ading on the display During current measurement keep the transformer jaws fully closed Otherwise accurate measurement cannot be made The maximum measurable conductor size is 55mm in diameter Unlike in...

Page 10: ...p of the test leads to the circuit under test Take the reading on the display 17 6 3 DC Voltage Measurement DANGER To avoid electric shock never make measurement on a circuit in the following categori...

Page 11: ...resistance instead of 0 This is the resistance of the test leads not a fault If one of the test leads has a break the display reads OL 19 6 5 Resistance Measurement DANGER Never try to make measuremen...

Page 12: ...se time 400ms The MAX measurement mode is used to display a maximum reading over a certain period of time This function is available on all ranges other than ranges DANGER Never make measurement on a...

Page 13: ...0A position The output is available only in the two ranges Proceed to measurement in the DC or AC mode NOTE During current measurement keep the transformer jaws fully closed Otherwise accurate measure...

Page 14: ...atteries observing correct polarity Make sure to use two new R6P batteries d Replace and screw the battery compartment cover 25 necessary in AC current measurement There is no polarity in the reading...

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