Hioki 9272-05 Instruction Manual

9272-05
9272-10
CLAMP ON SENSOR
Instruction Manual
Feb. 2017 Revised edition 5
Printed in Japan
9272C981-05 17-02H
° Warranty
Warranty malfunctions occurring under conditions of normal use
in conformity with the Instruction Manual and Product Precau-
tionary Markings will be repaired free of charge. This warranty
is valid for a period of one (1) year from the date of purchase.
Please contact the distributor from which you purchased the
product for further information on warranty provisions.
Introduction
Thank you for purchasing the HIOKI Model 9272-05 and 9272-
10 CLAMP ON SENSOR. To obtain maximum performance
from the device, please read this manual first, and keep it handy
for future reference.
Inspection and Maintenance
Initial Inspection
When you receive the device, inspect it carefully to ensure that
no damage occurred during shipping. In particular, check the
accessories, panel switches, and connectors. If damage is evi-
dent, or if it fails to operate according to the specifications, con-
tact your dealer or Hioki representative.
Pack the device so that it will not sustain damage during ship-
ping, and include a description of existing damage. We cannot
accept responsibility for damage incurred during shipping.
Safety
This manual contains information and warnings essential for
safe operation of the device and for maintaining it in safe oper-
ating condition. Before using it, be sure to carefully read the fol-
lowing safety precautions.
• This device is designed to comply with IEC
61010 Safety Standards, and has been thor-
oughly tested for safety prior to shipment.
However, mishandling during use could result
in injury or death, as well as damage to the
device. Be certain that you understand the
instructions and precautions in the manual
before use. We disclaim any responsibility for
accidents or injuries not resulting directly from
device defects.
EN
• To avoid short circuits and potentially life-
threatening hazards, never attach the device
to a circuit that operates at more than 600V.
Safety Symbols
Indicates cautions and hazards. When the symbol is
printed on the product refer to a corresponding topic in the
Instruction Manual.
Indicates that the device may be connected to or discon-
nected from a live circuit.
Indicates a double-insulated device.
Indicates AC (Alternating Current).
The following symbols in this manual indicate the relative impor-
tance of cautions and warnings.
Indicates that incorrect operation presents an extreme
hazard that could result in serious injury or death to the
user.
Indicates that incorrect operation presents a significant
hazard that could result in serious injury or death to the
user.
Indicates that incorrect operation presents a possibility
of injury to the user or damage to the device.
Indicates advisory items related to performance or cor-
rect operation of the device.
Other Symbol
Indicates a prohibited action.
Measurement categories
This device complies with CAT III safety requirements.
To ensure safe operation of measurement devices, IEC 61010 es-
tablishes safety standards for various electrical environments, cat-
egorized as CAT II to CAT IV, and called measurement categories.
CAT II: Primary electrical cir-
cuits in equipment
connected to an AC
electrical outlet by a
power cord (portable
tools, household
appliances, etc.)
CAT II covers directly
measuring electrical
outlet receptacles.
CAT III:Primary electrical circuits of heavy equipment (fixed installa-
tions) connected directly to the distribution panel, and feeders
from the distribution panel to outlets.
CAT IV:The circuit from the service drop to the service entrance, and
to the power meter and primary overcurrent protection device
(distribution panel).
Using a measurement device in an environment designated with a
higher-numbered category than that for which the device is rated could
result in a severe accident, and must be carefully avoided.Use of a
measurement instrument that is not CAT-rated in CAT II to CAT IV
measurement applications could result in a severe accident, and must
be carefully avoided.