Fieldpiece ACH4 - 400A Amp Clamp Accessory Head Manuel d'utilisateur

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Fieldpiece
400AAC Current Clamp
Accessory Head
Model: ACH4
OPERATOR’S MANUAL
Description
The ACH4 current clamp is a small size accesso-
ry head for quickly reading up to 400 AC amps. The
new claw feature at the top of the clamp allows for
quickly picking out the wire you need to measure
and isolating it in the clamp. Once the current car-
rying conductor is isolated, the amperage is con-
verted to mVAC for reading directly on the meter.
The ACH4 works with the Fiedpiece “Stick”
meter, EHDL1 Electronic Handle, DL2 Data Logger,
or any digital multimeter (with mVAC range) con-
nected by Fieldpiece ADLS2 leads or AHDL1.
Use it your way
EHDL1 AHDL1 w/ Meter DL3 HS30
For your safety...
Do not attempt to measure any circuit in which
the circuit-to-ground voltage exceeds 600V rms.
Measurement of AC power sources with induc-
tive loads or AC power sources during electrical
storms may result in extremely high-voltage, high-
energy transients that could damage the meter and
consequently expose the user to a dangerous
shock hazard.
Inspect the test leads for insulation damage or
exposed metal. Replace or don’t use if suspect.
When disconnecting from a voltage measure-
ment, disconnect the “hot” lead first, then the com-
mon.
Discharge capacitors prior to making resistance
or capacitance measurements.
Work with others.
Use one hand.Hands, shoes, and floor must be
dry when taking measurements.
Avoid use of the ACH4 under humid or damp
conditions which could affect the dielectric with-
standing voltage of the clamp.
Specifications
Current range: 1AAC to 400AAC rms
Conversion rate: 1AAC to 1mVAC
Frequency: 50Hz to 60Hz
Operating temperature: 32°F to 122°F
Storage temperature: -4°F to 140°F
Temperature coefficient: 0.1 x (specified accura-
cy) per °F. (32°F to 64°F, 82°F to 122°F).
Altitude: 6561.7 Feet (2000m).
Resolution: 0.1A
Accuracy: ±(1.5%rdg + 0.2A), 1 to 20AAC;
±(2.5%rdg + 0.3A), 20 to 100AAC;
±(3.5%rdg + 0.5A), 100 to 400AAC
Maximum conductor diameter: 1.18 in. (30mm)
Accessories: operator’s manual
Safety: Designed to meet IE C61010-1 (EN61010-
1) and IEC61010-2-032 (EN61010-2-032),
CATIII 300V, class 2 and pollution degree II
indoor use comply with CE.
CAT.III
300V
400A
CLAMP
ACH4
AC Current
Clamp
1AAC / 1mVAC
400AAC MAX
!
WARNING
Do not attempt to measure 600V circuits.
!
!
Prime wire location
The ACH4 is a very accu-
rate current clamp. Even still,
there is a prime location for
the most accurate reading
possible. Try to place the
center of the conductor
going through the clamp
as shown.
Operation
1. Connect the ACH4 to Volts
and COM jacks. (Polarity is
not important.)
2. Set the multimeter to mVAC range.
3. Use the claw shape to pick out the conductor
you need to measure. Snap the jaws of the
ACH4 around one of the current-carrying con-
ductors. Make sure the jaws are tightly clamped.
4. For best accuracy, the wire should be centered
according to the arrow indents on the back of
the clamp.
5. Directly read the current value (in amperes) indi-
cated on the display.
6. If meter displays overload, change range to next
highest (2000mVAC or 2VAC. For 2VAC range,
multiply reading by 1000.)
Cleaning
When the case gets dirty, clean with a damp cloth
and mild detergent. Do not use abrasives or sol-
vents.
Symbols used
Caution, risk of electric shock.
Caution, refer to manual.
Double insulation.
Limited warranty
This meter is warranted against defects in mate-
rial or workmanship for one years from date of pur-
chase. Fieldpiece will replace or repair the defective
unit, at its option, subject to verification of the
defect.
This warranty does not apply to defects resulting
from abuse, neglect, accident, unauthorized repair,
alteration, or unreasonable use of the instrument.
Any implied warranties arising from the sale of a
Fieldpiece product, including but not limited to
implied warranties of merchantability and fitness for
a particular purpose, are limited to the above.
Fieldpiece shall not be liable for loss of use of the
instrument or other incidental or consequential
damages, expenses, or economic loss, or for any
claim of such damage, expenses, or economic loss.
State laws vary. The above limitations or exclu-
sions may not apply to you.
Obtaining service
Call Fieldpiece Instruments for one-price-fix-all
warranty service pricing. Send check or money
order for the amount quoted. Send the meter freight
prepaid to Fieldpiece Instruments. Send proof of
date and location of purchase for in-warranty serv-
ice. The meter will be repaired or replaced, at the
option of Fieldpiece, and returned via least cost
transportation.
.
www.fieldpiece.com
OFF
2000
2000
00
CAT.III
300V
400A
CLAMP
CAT.III
300V
400A
CLAMP
CAT.III
300V
400A
CLAMP
CAT.III
300V
400A
CLAMP
ACH4
AC Current
Clamp
1AAC / 1mVAC
400AAC MAX
!
ACH4
AC Current
Clamp
1AAC / 1mVAC
400AAC MAX
!
ACH4
AC Current
Clamp
1AAC / 1mVAC
400AAC MAX
!
ACH4
AC Current
Clamp
1AAC / 1mVAC
400AAC MAX
!
CAT.III
300V
400A
CLAMP
ACH4
AC Current
Clamp
1AAC / 1mVAC
400AAC MAX
!
!
v10
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Fieldpiece400AAC Current ClampAccessory HeadModel: ACH4OPERATOR’S MANUALDescriptionThe ACH4 current clamp is a small size accesso-ry head for quickly

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