Instrukcja obsługi Sanwa DCL11R

Sanwa Sprzęt pomiarowy DCL11R

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[1] SAFETY PRECAUTIONS
Before use, read the following safety precautions.
This instruction manual explains how to safely use your new DCL11R digital clamp
meter. Before use, please read this manual thoroughly. After reading it, keep it
together with the product so you can refer to it when necessary. If this product is not
used as specified in this manual, its protection function may be compromised.
To avoid accidental burns or electric shock, always follow any instructions with
“ WARNING” or “ CAUTION” headings.
1-1 Explanation of Warning Symbols
The meanings of the symbols used in this manual and on the product are explained below.
　 : Very important instructions for safe use
•Warning messages are intended to prevent accidents to operating
personnel such as burn and electric shock.
•Caution messages are intended to prevent damage to the instrument.
The meanings of the symbols used exclusively on the product are explained below.
: Symbol requesting reference to the instruction manual before use
: Potential of connection to a power line in live status
: Double in sulation or reinforced insulation
: Power switch : Backlight
1-2 Warning Instructions for Safe Use
To avoid physical injury such as burns or electric shock, be sure to observe
the following instructions when using this instrument.
1.
This instrument is a digital clamp meter for low voltages. It should be
used on power lines with a voltage to ground of 300 Vrms or less.
2.
Pay special attention when measuring voltages of AC 33 Vrms (46.7 V peak)
or DC 70 V or more to avoid injury. Also use insulating protective equipment
as required.
3.
Never use the instrument on power lines that exceed the maximum rated
input current (see 1-3).
4.
Do not use the instrument if the main unit is damaged or broken.
5.
Do not use the instrument with the case or battery compartment cover removed.
6.
Do not hold the measurement clip at any point beyond the barrier.
7.
Do not use the instrument when it or your hand is wet.
8.
Do not attempt to repair or modify the instrument except to replace the batteries.
9.
Be sure to check the instrument before each use and inspect it at least once a year.
10.
Always use the instrument indoors.
11.
To avoid compromising the protection function of this instrument, do not
use it in any way other than instructed in this manual.
*
Voltage to ground of 300 Vrms or less: When the Y-connection voltage is 415 V,
the voltage to ground is equal to 415 / 3
≒
240 V.
1-3 Overload Protection Input Values
Input Max. rated input current Max. overload protection input
Clamp sensor
AC 320 A AC 350 A
[2] APPLICATIONS AND FEATURES
2-1 Application
This instrument is an AC clamp meter with RMS response that allows you to
measure the current range specified in IEC 61010-1 CAT. III 300 V. It is suitable
for measuring the current of low-voltage power lines and electrical appliances.
2-2 Features
• Safety design that complies with IEC61010-1 CAT. III 300 V
• Compact pocket size
• True RMS conversion
• Auto power OFF (approx. 15 min.) (Disabling also possible)
• Backlight
Measurement Category (Overvoltage Category)
Equipment of CAT II :
Primary cable runs of power-consuming equipment from a wall socket.
Equipment of CAT III :
Primary cable runs of equipment directly connected to a distribution board
and cable runs from a distribution board to wall sockets.
Equipment of CAT IV : Cable runs from an incoming line to a distribution board.
01-1507 2040 6011
Correct
○
Incorrect
×
Clamping single conductor on
the center of clamp sensor.
Clamping multiple conductors. Force applied to the tip of
clamp sensor.
DCL11R
DIGITAL CLAMP METER
INSTRUCTION MANUAL
Dempa Bldg., 4-4 Sotokanda 2-Chome
Chiyoda-ku, Tokyo, Japan
This manual emplys soy ink.
WARNING
[3] NAME OF COMPONENT UNITS
3-1 Main unit
MAX 300A300V CAT.III
3-2 Display
[4] DESCRIPTION OF FUNCTIONS
4-1 Power button: button
Press the button to switch the power on and off.
4-2 Auto power OFF function
The instrument incorporates the auto power OFF function that turns the
instrument OFF in about 15 minutes after the last operation. This function can
be disabled by switching the instrument ON while holding the button. The
indicator on the display panel is extinguished when the auto power OFF
function is disabled.
4-3 Low battery indication
The indicator lights on the display when the batteries have discharged
down to a supply voltage of about 2.3 V or less. Replace the batteries when
this indicator lights up.
4-4 Data hold function: button
Press the button. TheHOLD indicator lights on the display and the value
displayed at that time is held and will not change even if the measurement
data varies. Pressing the button against extinguishes the
indicator and
the measurement data is no longer held.
4-5 Backlight function button:
Press this button to light the backlight of the display. Pressing the button again
extinguishes the backlight. The backlight is also extinguished automatically in
about 10 seconds after it is lit.
[5] MEASURING PROCEDURE
1.
Do not apply an input voltage exceeding the maximum rated current.
2. During measurement, do not hold the measurement clip at any point beyond the barrier.
5-1 Start-up inspection
Perform the following pre-operational check for safety.
•
Check the external appearance. Check that the main unit is free of abnormality
or damage due to dropping, etc.
•
Check that the indicator is not lit. If it is lit, replace the batteries with new ones.
• Make sure your hands and the instrument are not wet.
*If nothing is displayed on the LCD, the batteries might have been totally discharged.
5-2 Measuring the AC current (ACA measurement)
1.
To improve the measuring accuracy, position the conductor at the center of
the clamp sensor.
2.
Always clamp only one wire at a time. Accurate measurement is impossible if two
or more wires, a cable with multiple conductors or a parallel cord is clamped.
3. Accurate measurement is impossible if the clamp sensor is not closed completely.
4.
Accurate measurement is sometimes impossible near a source of strong
magnetic field such as a transformer or high-current line, near a source of
electromagnetic waves such as radio equipment or near a charged object.
5.
The CT may generate an oscillating sound when a high current is applied.
This is not malfunction.
①
Set the Power switch to ON.
② Open the clamp sensor, catch the single wire to be measured and close the
clamp sensor completely.
③
Read the measurement value.
WARNING
CAUTION
Load
Load
Auto power OFF enabled
AC (Alternate current) Low battery indication
Data HOLD
Unit (ampere)
Numeric value & decimal point
Clamping current sensor
(CT)
Center position indication
Barrier
HOLD button
LCD
Trigger
Power button
Backlight button
− 1 − − 2 −
①
Using a Phillips screwdriver, remove the
fi x i n g sc re w (x 1) f ro m t h e b at t ery
compartment cover.
② Remove the battery compartment cover.
③
Replace both of the batteries in the
b at t e r y h o l d e r w i t h n e w o n e s b y
observing the correct polarity.
④
Place the battery compartment cover
and tighten th e fixin g screw in the
original position.
[6] MAINTENANCE
1. This section is very important for safety. Read and understand the following
instructions fully and maintain your instrument properly.
2. To maintain safety and accuracy, calibrate and inspect the instrument at
least every year.
6-1 Maintenance and Inspection
Before use, check the instrument to confirm that there is no abnormality and that
the CT can be opened and closed smoothly. If anything is abnormal, do not use the
instrument and return it to your authorized Sanwa agent or distributor for repair.
6-2 Calibration
For more information, please contact Sanwa’s authorized agent / distribute
service provider, listed in our website. See section 7-3.　
6-3 Cleaning and Storage
1. The panel and case are not resistant to volatile solvent and must not be
cleaned with thinner or alcohol. If the instrument gets dirty, wipe with a soft
cloth moistened with a small amount of water.
2. The panel and case are not resistant to heat. Do not place the instrument
near heat-generating devices (such as a soldering iron).
3.
Do not store the instrument anywhere it may be subject to vibrations or could fall.
4. When storing the instrument, avoid hot, cold or humid locations, locations
exposed to direct sunlight, or locations where condensation is anticipated.
5. When the instrument is not going to be used for an extended time, be sure
to remove the batteries.
6-4 Battery replacement
• Batteries shipped with the instrument
The batteries loaded at the factory are monitor batteries, so their service life
may be shorter than that of brand-new batteries. Monitor batteries are a type
of battery used to check the functions and performance of a product.
1.
To avoid electric shock, do not remove the battery compartment cover while an
input is applied to the clamp sensor or the instrument is measuring something.
2.
Make sure that the instrument is set to OFF before replacing the batteries.
[7] AFTER-SALE SERVICE
7-1 Warranty and provision
Sanwa offers comprehensive warranty services to its end-users and to its
product resellers. Under Sanwa's general warranty policy, each instrument is
warranted to be free from defects in workmanship or material under normal use
for the period of one (1) year from the date of purchase.
This warranty policy is valid within the country of purchase only, and applied
only to the product purchased from Sanwa authorized agent or distributor.
Sanwa reserves the right to inspect all warranty claims to determine the extent
to which the warranty policy shall apply. This warranty shall not apply to
disposables batteries, or any product or parts, which have been subject to one
of the following causes:
1. A failure due to improper handling or use that deviates from the instruction manual.
2. A failure due to inadequate repair or modification by people other than Sanwa
service personnel.
3. A failure due to causes not attributable to this product such as fire, flood and
other natural disaster.
4. Non-operation due to a discharged battery.
5. A failure or damage due to transportation, relocation or dropping after the
purchase.
7-2 Repair
Customers are asked to provide the following information when requesting
services:
1. Customer name, address, and contact information
2. Description of the problem
3. Description of the product configuration
4. Model Number
5. Product Serial Number
6. Proof of Date-of-Purchase
7. Where you purchased the product
　Please contact Sanwa authorized agent / distributor / service provider, listed
in our website, in your country with above information. An instrument sent to
Sanwa / agent / distributor without above information will be returned to the
customer.
Note:
1) Prior to requesting repair, please check the following:
Capacity of the built-in battery, polarity of installation and discontinuity of the
test leads.
2) Repair during the warranty period:
The failed instrument will be repaired in accordance with the conditions
stipulated in 7-1 Warranty and provision.
3) Repair after the warranty period has expired:
•
If it is expected that servicing can restore the original functioning of the
product
,
we will service it for a price upon request of the user.
WARNING
CAUTION
WARNING
•
The service charge or transport freight could sometimes become higher than the
product price. Please consult us before asking for servicing.
• The minimum retention period of the servicing performance parts of this
product is six (6) years after the discontinuation of production. This period is
equal to the servicing available period. However, the retention period of a part
may be reduced if it becomes unavailable due to discontinuation of production
of the part manufacturer, etc.
4) Precautions when sending the product to be repaired:
To ensure the safety of the product during transportation, place the product in
a box that is larger than the product 5 times or more in volume and fill cushion
materials fully and then clearly mark “Repair Product Enclosed” on the box
surface. The cost of sending and returning the product shall be borne by the
customer.
7-3 SANWA web site
http://www.sanwa-meter.co.jp
E-mail: exp_sales@sanwa-meter.co.jp
[8] SPECIFICATIONS
8-1 General Specifications
Operation method Δ -Σ method
AC detection method True RMS method (AC coupling)
Display 6000 count
Sampling rate Approx. 2 times/sec
Overload display “OL” on the numeric display
Range selection Auto range
Low battery indication
When the batteries are discharged down to 2.3 V or
less, the indicator lights on the display.
Current measurement
method / aperture
diameter
Clamping current sensor (CT) /
Max. approx. dia. φ22 mm
Operation
environment
Altitude max. 2000 m, indoor use, environmental
pollution degree II.
Operating
temperature/
humidity
Temperature 5 to 40 °C,
Relative humidity max. 80 % RH at 5-31 °C and
decreases linearly through 80 % RH to 50 % RH at
31-40 °C (without condensation)
Storage temperature/
humidity
-10 to 40 °C: Max. 80 % RH (without condensation)
40 to 50 °C: Max. 70 % RH (without condensation)
Power supply “AAA”-size alkaline battery LR03 x 2
Auto power OFF Power off in approx. 15 min. after last operation
Power consumption /
Battery life
Approx. 1.9 mA / Approx. 500 hours (backlight
extinguished)
Dimensions and mass
145 ( )H x 54 x 31 mm, approx. 120 g ( )W( )D
(including batteries)
Safety standards IEC61010-1, IEC61010-2-030 CAT. III 300 V,
IEC61010-2-32
EMC directive IEC61326-1
Accessories Instruction manual, carrying pouch (C-DCL10)
8-2 Measuring ranges and accuracies
Accuracy-guaranteed temperature/humidity range: 23 ±5 °C, max. 80 % RH
(without condensation).
rdg: Reading dgt: digits (lowest digit)
Accuracy-guaranteed range: 1 % to 100 % of measurement range
Crest factor CF: Full-scale CF < 1.6, half scale CF < 3.2
ACA measurement RMS response, AC coupling (sine wave alternate current)
Range Resolution Accuracy: 50/60 Hz Accuracy: 45-400 Hz
60.00 A 0.01 A ±(2.0 %rdg + 5 dgt) ±(3.0 %rdg + 10 dgt)
300.0 A 0.1 A
Accuracy measurement method
(Example) ACA measurement　
Reading: 10.00 A
Range accuracy: 60.00 A range = ±(2 %rdg + 5 dgt)
Error: ±(10.00 A x 2.0 % + 0.01 A + 5) = ±0.25 A
True value: 10.00 A ±0.25 A (in the range from 9.75 to 10.25 A)
* 3 dgt in the 60.00 A range is equivalent to 0.03 A.
* 3 dgt in the 300.00 A range is equivalent to 0.3 A.
Specifications and external appearance of the product described above
may be revised or modified without prior notice.
− 3 − − 4 −

Specyfikacje produktu

Marka: Sanwa
Kategoria: Sprzęt pomiarowy
Model: DCL11R

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