auto range, true rms
A
CA LEAKAGE
TESTER
Model : DL-9954
Your purchase of this ACA
LEAKAGE TESTER marks a
step forward for you into
the field of precision
measurement. Although
this ACA LEAKAGE TESTER
is a complex and delicate
instrument, its durable
structure will allow many
years of use if proper
operating techniques are
developed. Please read
the following instructions
carefully and always keep
this manual within easy
reach.
OPERATION MANUAL
Caution Symbol
Caution :
* Risk of electric shock !
Caution :
* Do not apply the overload
voltage, current to the input
terminal !
* Remove test leads before open
the battery cover !
* Cleaning - Only use the dry
cloth to clean the plastic case !
* Double insulation
* Function earth
Environment Conditions
* Jaw Section : CAT III 600 V, 600 A.
* Terminal : CAT II 600 V.
* Pollution Degree 2.
* Altitude up to 2000 meters.
* Relative humidity 80% max.
TABLE OF CONTENTS
1 FEATURES...................................................................1
2 SPECIFICATIONS.......................................................
.
1
2-1 General Specifications............................................ 1
2-2 Electrical Specifications.......................................... 3
3 FRONT PANEL DESCRIPTION....................................... 5
4 PRECAUTIONS & PREPARATIONS FOR
MEASUREMENT........................................................... 6
5 MEASURING PROCEDURE............................................ 7
5-1 Symbols & Units of Display ...................................7
5-2 DCV, ACV Measurement ...................................... 8
5-3 Resistance Measurement.......................................8
5-4 Continuity Check .................................................
.
8
5-5 Diode Test........................................................... 9
5-6 AC leakage Current,
AC Current Measurement...................................... 10
5-7 Relative Measurement..........................................
.
11
5-8 Data Hold Operation............................................. 11
6 MAINTENANCE............................................................12
6-1 Replacement of Battery..........................................12
6-2 Cleaning...............................................................
.
12
7 OPTIONAL ACCESSORIES & ADAPTER.......................... 13
8
T
HE ADDRESS OF AFTER SERVICE CENTER.................. 14
1. FEATURES
* High precision AC mA measurement, it is useful for AC
mA leakage current measurement.
* Measure AC mA on the inductive conductor.
* Design meet IEC 1010 CATIII 600V safety requirement.
* 4000 counts, auto range and multi-functions.
* Measurement for ACA, ACV, DCV, Ohms, Diode,
Continuity beeper.
* True RMS measuring reading for ACV and ACA function.
* Two AC leakage current range : 40 mA, 400 mA .
* Two AC current range : 40 A, 120 A.
* Data hold.
* Relative measurement.
* Crystal time base, high quality.
* LCD display allows clear readout-out even at high
ambient light level.
* LSI circuit provides high reliability and durability.
* Overload protection circuit is provided for all range.
* Compact & heavy duty ABS housing fireproof plastic
case.
2. SPECIFICATIONS
2-1 General Specifications
Display 10.8 mm ( 0.43" ) LCD, 4 digits,
Max. indication 4000.
Measurement ACA, ACV, DCV, Ohms, Diode,
Range Continuity beeper, Relative.
1
Polarity Automatic Switching, " - " indicates
negative polarity.
Over-input Indication of " OL ".
Sampling Time Approx. 0.35 second.
Battery 2 x 1.5 V AA ( UM-3 ) batteries.
Operating 0 to 50 ( 32 to 122 ).℃℉
Temperature
Operating Less than 80% RH.
Humidity
Weight 251 g/0.55 LB ( including battery ).
Dimension HWD : 191 x 64.5 x 36.1 mm
( 7.5 x 2.5 x 1.4 inch )
Max. Jaw 16.0 mm ( 0.63 inch ) Dia.
Open Size
Accessories Operation manual...................... 1 PC.
Included
T
est lead (red & black).............. 1 PC.
Optional Carrying case, CA-52A
Accessories Light Adapter,
Anemometer Adapter,
Pressure Adapter,
Humidity Adapter,
Tachometer Adapter,
Sound level Adapter,
High Voltage Probe.
2
2-2 Electrical Specifications (23±5 )℃
Function Range Reso- Accuracy Overload
lution Protection
DCV 400 mV 0.1 mV ± ( 0.5 % + 2d )
DC only
ACV 4 V 0.001V
DCV :
( true rms ) 40 V 0.01V ± ( 1 % + 2d )
400 V 0.1 V
ACV :
AC/DC 600V
600 V 1 V ± ( 1.2 % + 5d )
ACA 40 mA 0.01mA
Leakage ± ( 1.5 % + 3d )
( true rms ) 400 mA 0.1mA
0.1 to 400 mA
0 to 39.99 A 0.01 A ± ( 1.5 % + 3d )
ACA 40 to 100 A 0.1 A AC 120A
( true rms ) 100.0 to 0.1 A ± ( 3 % + 3d )
0.01 to 120 A
120 A
Remark
* True RMS measuring reading for ACV and ACA function.
* Input impedance for ACV & DCV range is 10 Meg ohm.
* ACA, ACV frequency response is from 40 to 1 KHz.
* ACA, ACV specification be tested on sine wave 50/60 Hz.
3
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