Sanwa DCM400AD Manual

Sanwa Måleudstyr DCM400AD

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DCM400AD
DIGITAL CLAMP METER SANWA ELECTRIC
INSTRUMENT CO.,LTD.
Dempa Bldg,Sotokanda2-Chome
Chiyoda-Ku,Tokyo,Japan
General Specification
Digital Display: 3 3/4 digits LCD display with maximum reading 3999
Analog Display: 42 segments fast analog bar display
Symbol and Scale range:
adjust automatically according range and input signal
Polarity:
When negative signal in apply to the meter, will show.
Over Load:
When the signal larger than the maximum will be show
Sample Rate: 2 times/sec for digital data
20 times/sec for analog bar
Low Power Indication:
When the battery is under the proper operation range, will appear on the
LCD display.
Power Source: LR03 or AAA 1.5V battery 2.x
Auto Power Off:
If there is no key or dial operation for 30 minutes, the meter will power itself
off to save battery consumption.
Battery Life: Approx. 50hr (Alkaline Battery)
Power Consumption: 50mW
Clamp opening size: 25mm
Operating temperature: 0 C 40 C,<80% RH, No condensation˚~ ˚
Storage temperature: -10 C 60 C,<70% RH, No condensation˚~ ˚
Approvals: IEC61010-2-32 300V CAT.III 600V CAT.II
Environmental conditions:
Altitude up to 2000 meters, indoor use, pollution degree2
Withstand voltage: AC3.7kV (50/60Hz) for a minute.
Dimension (L x x W H) :193 50 x x 28mm
Weight: 230g
Accessory:
Instruction Manual, Carrying case (C-DCM400), Test lead (TL-23a)
Specification
The accuracy specification is defined as ±( …%reading+…count )
At 23±5 C, ˚≦80%RH
Accuracy
± (1%rdg.+2dgt.)
Accuracy
50Hz〜500Hz
± (1.5%rdg.+5dgt.)
Overload
Protection
660Vrms
Overload
Protection
660Vrms
Input
Impedance
10MΩ
Input
Impedance
10MΩ
DCV (Auto range, Manual range)
Range
400V
600V
Range
400V
600V
Resolution
0.1V
1V
Resolution
0.1V
1V
ACV (Auto range, Manual range)
Resolution
0.01A
0.1A
Accuracy Overload
Protection
600Arms
Range
40A
400A
ACA (Auto range, Manual range)
± (2%rdg.+10dgt.)
Band Width
50Hz〜500Hz
Range
400Ω
Resolution
0.1Ω
Accuracy
± (1%rdg.+2dgt.)
MAX Test
Voltage
1.5VDC
Overload
Protection
600Vrms
Overload
Protection
600Vrms
Ohm (Ω)
Range MAX Test
Voltage
1.5VDC
Continuity ( )
Active Region
<40Ω
Electrical Specification
⑦ Positive input terminal
⑧ Data hold & Manual range button
⑨ Zero button
⑩ Battery lid
⑪ Rear case
① Current Sensing Clamp
② Barrier
③ Jaw-opening handle
④ Main function selector
⑤ LCD display
⑥ COM input terminal
Instrument Familiarization
DCA (Auto range, Manual range)
Overload
Protection
600Arms
Accuracy
± (2.5%rdg.+10dgt.)
Resolution
0.01A
0.1A
Range
40A
400A
Symbol Definition
Zero Button
Press Zero button to enter the Zero mode, " " annunciate turn on and Zero
the display and the reading is stored as reference value for subsequent
measurement.
Press it again, the " " annunciate blinking and memorized reference value
will display.
Press and hold down zero button for 2 second to exit the zero mode.
When the tester is under zero mode the auto range function will be disabled.
Data Hold & Manual Range Button
The user may hold the present reading and keep it on the display by pressing
the "Hold" button.
When the hold data is no longer needed, one may release the data-hold
operation by press "Hold" button again.
One may hold present reading by press the hold button instantaneously. One
may also change the measuring scale range by press and hold the RANGE
button. When the decimal point changes, the user should release the button and
scale range will stay at the setting range. If the user press and hold the button
for more than 2 seconds, the tester will be in auto range mode again.
Disable Auto power off
Press and hold "ZERO" button and then the power on the meter.
Button Instruction
Switch the main function selector to range.
Open the clamp by pressing the jaw-opening handle and insert the cable to be
measured into the jaw.
Close the clamp and get the reading from the LCD display.
Note:
Before this measurement, disconnect the test lead with the meter for safety.
In some occasion that the reading is hard to read, push the HOLD button and
read the result later.
Measuring Instruction
AC Current Measurement Switch the main function selector to range.
Press ZERO button to enter the zero reading.
Before measuring current larger than 40A, adjust the scale to 400A range by
press the range button and press ZERO button again.
Open the clamp by pressing the jaw-opening handle and insert the cable to be
measured into the jaw.
Close the clamp and get the reading from the LCD display.
Note:
Before this measurement, disconnect the test lead with the meter for safety.
In some occasion that the reading is hard to read, push the HOLD button and
read the result later.
DC Current Measurement
CORRECT
INCORRECT
Switch the main function selector to range.
Connect red test lead to “+” terminal and black one to the “ COM “ terminal.
Measure the voltage by touch the test lead tips to the test circuit where the
value of voltage is needed.
Read the result from the LCD display.
ACV Measurement
Switch the main function selector to range.
Connect red test lead to “+” terminal and black one to the “ COM “ terminal.
Measure the voltage by touch the test lead tips to the test circuit where the
value of voltage is needed.
Read the result from the LCD display.
DCV Measurement
Maximum Input Voltage is 600V AC/DC. Do not attempt to take any
voltage measurement that may exceed to avoid Electrical shock hazard
and/or damage to this instrument.
Maximum Input Voltage is 600V AC/DC. Do not attempt to take any
voltage measurement that may exceed to avoid Electrical shock hazard
and/or damage to this instrument.
Switch the main function to range.
Connect red test lead to “+” terminal and black one to the “ COM ” terminal.
Connect tip of the test leads to the points where the value of the resistance is
needed.
Read the result from the LCD display.
Note:
When take resistance value from a circuit system, make sure the power is cut
off and all capacitors need to be discharged.
Resistance Measurement
Switch the main function to range.
Connect red test lead to “+” terminal and black one to the “ COM ” terminal.
Connect tip of the test leads to the points where the conduction condition
needed.
If the resistance is under 40 , the beeper will sound continuously.Ω
Continuity Test
Short circuit Open circuit
Beeper
Battery Changing
When the battery voltage drop below proper operation range the symbol
will appear on the LCD display and the battery need to changed.
Before changing the battery, switch the main dial to “OFF ”and disconnect
test leads. Open the battery lid by a screwdriver.
Replace the old batteries with two LR03 or AAA size batteries.
Close the battery lid and fasten the screw.
1.
2.
3.
To prevent electrical hazard or shock, turn off clamp meter and disconnect
test leads before removing battery lid.
Never uses the meter before the battery lid is closed.
This product has been designed and manufactured in accordance with the safety
standards applicable to IEC 61010-2-32 Electronic Measuring Equipment and
has passed the inspection. Using this product in ways not specified in this manual
may damage its protection function. The instructions given under the heading of
“WARNING” and “CAUTION” must be followed to prevent accidents.
CAUTION : Intended to prevent personal injury such as burn and
electric shock and other serious accidents.
WARNING : Intended to prevent misuse that could result in personal
injury and damage to equipment including this instrument.
Safety Information -
Before use, read the manual
-
1. This is a clamp meter for low-voltage circuits. Never use it on the
power line that exceeds 600VAC to ground. The measurement
classification category of this instrument is 300 V CAT. III, 600V
CAT. II.
2. Use the meter only as described in this manual.
3. Do not apply more than the rated maximum input (400VAC).
4. Pay special attention to voltages above 33VAC (46.7 Vpeak) and
70VDC that are hazardous to the human body.
5. Do not use the meter if it is damaged or broken.
6. Do not use the meter the battery lid or rear case removed.
7. During measurement, keep your fingers behind the barrier (finger
guard).
8. When measuring un-insulated counductors, be careful not to touch
them. Otherwise you will suffer electric shock.
9. Do not use the meter near flammable gases or solvents.
10. Do not use the meter with wet hands or in a damp environment.
11. Do not disassemble or modify the meter nor use components not
specified by the manufacturer.
12. Inspect the meter at least once a year.
13. The meter is for indoor use.
WARNING
①
⑧
⑨
⑦
⑩
②
③
④
⑤
⑥
WARNING WARNING
WARNINGWARNING
1. Maintenance and Inspection
1) Appearance: Is the meter not damaged due to falling or other cause?
2) Test leads:
• Are the core wires not exposed from the test leads?
• Is the plug when inserted to the input terminal not loose?
If any of the above problems exists, stop using the meter and request for
repair.
2. Inspection
Inspect the meter at least once a year.
3. Storage
4. Battery when the meter is shipped:
A battery for monitoring has been installed prior to shipment from the
factory. It may be discharged before the expiration of the described battery
life.
*The battery for monitoring is a battery used to check the functions and
performance of the product.
Maintenance
1. The following instructions are very important for safety. Read this
manual thoroughly to ensure correct maintenance.
2. Calibrate and inspect the meter at least once a year to ensure safety
and maintain its accuracy.
1. The panel and case are not resistant to volatile solvent and must not
be cleaned with thinner or alcohol.
2. The panel and case are not resistant to heat. Do not place the meter
near heat-generating devices.
3. Do not store the meter in a place where it may be subjected to
vibration or where it may fall.
4. Do not store the meter in places under direct sunlight, or hot, cold or
humid places or places where condensation is anticipated.
5. If the meter will not be used for a long time, remove the batteries.
CAUTION
⑪
Low battery indication
Auto range indication
Manual range indication
Hold Data indication
Continuity function indication
Voltage measurement indication
Current measurement indication
Alternative source indication
Direct source indication
Resistance
Polarity indication
Analog bar graph indication

Produkt Specifikationer

Mærke: Sanwa
Kategori: Måleudstyr
Model: DCM400AD

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