AEMC instruments SR701 Manual de usuario
AC Current Probe
Models SR701 and SR704
User Manual
DESCRIPTION
The SR701/SR704 AC Current Probes (Catalog #2116.29 and #2116.30) are designed for
use in industrial environments. The ergonomic design allows them to easily attach to cables or
small bus bars. The “circular” jaws guarantee a very good accuracy and low phase shift. The
probes have a measurement range up to 1000 Arms and are compatible with any AC ammeter,
To achieve the stated accuracy, use the SR701/SR704 with an ammeter having an accuracy of
0.75 % or better.
WARNING
These safety warnings are provided to ensure the safety of personnel and proper operation of the instrument.
Read the instruction manual completely and follow all the safety information before attempting to use or
service this instrument.
• Use caution on any circuit: potentially high voltages and currents may be present and may pose a shock
hazard.
• Do not use the probe if damaged. Always connect the current probe to the measuring device before it is
connected around the conductor
• Do not use on non-insulated conductor with a potential to ground greater than 600 V CAT III pollution 2.
Use extreme caution when clamping around bare conductors or bus bars.
• Before each use, inspect the probe; look for cracks in housing or output cable insulation.
• Do not use clamp in wet environment or in locations that hazardous gases exist.
• Do not use the probe anywhere beyond the tactile barrier.
INTERNATIONAL ELECTRICAL SYMBOLS
before using the instrument.
DEFINITION OF MEASUREMENT CATEGORIES
CAT IV: For measurements performed at the primary electrical supply (< 1000 V), such as
on primary overcurrent protection devices, ripple control units, or meters.
CAT III: For measurements performed in the building installation at the distribution level, such
CAT II: For measurements performed on circuits directly connected to the electrical
distribution system, such as measurements on household appliances or portable
tools.
RECEIVING YOUR SHIPMENT
Upon receiving your shipment, make sure that the contents are consistent with the packing
description of any damage.
CURRENT PROBE - SR701/SR704 DRAWING
ELECTRICAL SPECIFICATIONS
Current Range: 1 mA to 1200 A
Transformation Ratio: 1000:1
Output Signal: 1 mA AC/A
(1 A at 1000 A)
Accuracy and Phase Shift*:
Accuracy:
(1 to 100) mA: ±3 % Reading ±5 mA
(0.1 to 1) A: ±2 % Reading ±3 mA
(1 to 10) A: ±1 % Reading
(10 to 100) A: ±0.5 % Reading
(100 to 1200) A: ±0.3 % Reading
Phase Shift:
75) % RH, (48 to 65) Hz, external magnetic
current carrying conductor, test sample cen-
Overload:
Accuracy:
Frequency Range: 30 Hz to 5 kHz; current
derating above 1 kHz using the formula:
1000 A × 1
F (kHz)
Load Impedence: 5
Working Voltage: 600 V CAT III
Common Mode Voltage: 600 V CAT III
Open Secondary Voltage:
<25 V by limiting circuit
Inuence of Adjacent Conductor:
< 1 mA/AAC
Weight:
1.21 lbs (550 g)
Output:
SR701: (2) standard safety banana jacks (4
mm)
SR704:5 ft (1.5 m) lead with safety 4 mm
banana plug
SAFETY SPECIFICATIONS
Electrical:
Double insulation or reinforced insulation be-
tween the primary or secondary and the outer
case of the handle conforms to
Common Mode Voltage:
600 V CAT III, Pollution Degree 2
Electromagnetic Compatibility:
-
ORDERING INFORMATION
AC Current Probe SR701 ........Cat #2116.29
AC Current Probe SR704 ........Cat #2116.30
Accessories:
(1000 V CAT IV) .........................Cat #2152.24
............. Cat #2118.46
Banana plug adapter
(to non-recessed plug)................Cat #1017.45
Inuence of Conductor in Jaw Opening:
0.1 % of Reading
Inuence of Frequency:
From (30 to 48) Hz: < 0.5 % of R
From (65 to 1000) Hz: < 1 % of R
From (1 to 5) kHz: < 2 % of R
MECHANICAL SPECIFICATIONS
Operating Temperature:
Storage Temperature:
Inuence of Temperature:
Inuence of Humidity:
From (10 to 90) % RH: 0.1 %
Jaw Opening:
2.25 in (57mm) max
Maximum Conductor Size:
2.05 in (52 mm)
Envelope Protection:
Drop Test:
Mechanical Shock:
Vibration:
(15 to 25) Hz, 1 mm
(25 to 55) Hz, 0.25 mm
Material:
Dimensions:
(4.37 x 8.50 x 1.77) in (111 x 216 x 45) mm
OPERATION
page 1.
Making Measurements with the AC Current Probe Models SR701/SR740
• Connect the black lead of the current probe to “common” and the red lead to the AC
current range (2 AAC range). Clamp the probe around the conductor to be tested with the
arrow pointed toward the load. If the reading is less than 200 mA, select the lower range
0.659 A x 1000 = 659 AAC).
• For best accuracy, avoid if possible, the proximity of other conductors which may create
noise.
Tips For Making Precise Measurements
• When using a current probe with a meter, please select the range that provides the best
resolution. Failure to do this may result in measurement errors.
•
Contaminants cause air gaps between the jaws, increasing the phase shift between
primary and secondary. It is very critical for power measurement.
MAINTENANCE
Warning
• For maintenance use only original replacement parts.
• To avoid electrical shock, do not attempt to perform any service on the device unless you
• To avoid electrical shock and/or damage to the instrument, do not allow water or other
foreign agents to come into contact with the probe.
Cleaning
To ensure optimum performance, it is important to keep the probe jaw mating surfaces clean at
REPAIR AND CALIBRATION
You must contact our Service Center for a Customer Service Authorization number (CSA#).
This will ensure that, when your instrument arrives, it will be tracked and processed promptly.
Please write the CSA# on the outside of the shipping container.
Ship To: Chauvin Arnoux®®Instruments
repair@aemc.com
(Or contact your authorized distributor)
NOTE: You must obtain a CSA# before returning any instrument.
TECHNICAL AND SALES ASSISTANCE
operation or application of your instrument, please call, e-mail or fax our technical support team:
Contact: Chauvin Arnoux®®Instruments
LIMITED WARRANTY
The current probe is warrantied to the owner for a period of two years from the date of
®
Instruments, not by the distributor from whom it was purchased. This warranty is void if the unit
®
Instruments.
Full warranty coverage and product registration is available on our website at:
www.aemc.com/warranty.html.
Please print the online Warranty Coverage Information for your records.
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