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Introduction
3244-50
CARD HiTESTER
INSTRUCTION MANUAL
November
2009 Revised edition 1
Printed in Japan
3244E981-01 09-11H
Thank you for purchasing the HIOKI Model 3244-50 CARD HiTESTER. To obtain maximum performance from the instrument,
please read this manual first, and keep it handy for future reference.
Overview
The 3244-50 is a card-shaped digital multimeter designed to
measure DC/AC voltage and resistance, and Continuity check.
Inspection and Maintenance
Initial Inspection
When you receive the instrument, inspect it carefully to ensure
that no damage occurred during shipping. If damage is evident,
or if it fails to operate according to the specifications, contact
your dealer or Hioki representative.
Preliminary Checks
• Before using the instrument the first time, verify that it operates normally to ensure that the no damage occurred during
storage or shipping. If you find any damage, contact your
dealer or Hioki representative.
• Before using the instrument, make sure that the insulation on
the test leads and probes is undamaged and that no bare
conductors are improperly exposed. Using the instrument in
such conditions could cause an electric shock, so contact
your dealer or Hioki representative for repair.
Maintenance and Service
• To clean the instrument, wipe it gently with a soft cloth moistened with water or mild detergent. Never use solvents such
as benzene, alcohol, acetone, ether, ketones, thinners or
gasoline, as they can deform and discolor the case.
• If the instrument seems to be malfunctioning, contact your
dealer or Hioki representative.
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• Pack the instrument so that it will not sustain damage during
shipping, and include a description of existing damage. We cannot accept responsibility for damage incurred during shipping.
• To avoid corrosion from battery leakage, remove the battery
from the instrument if it is to be stored for a long time.
Safety
This manual contains information and warnings essential for
safe operation of the instrument and for maint aining it in safe operating condition. Before using it, be sure to carefully read the
following safety precautions.
This instrument is designed to comply with IEC
61010 Safety Standards, and has been thoroughly
tested for safety prior to shipment. However, mishandling during use could result in injury or death,
as well as damage to the instrument. Using the
instrument in a way not described in this manual
may negate the provided safety features. 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 instrument defects.
Safety Symbols
In the manual, the symbol indicates particularly important information that the user s houl d re ad befor e usi ng the
instrument. The symbol printed on the instrument indi cates that the user shoul d r efer to a c or respon di ng t opi c i n
the manual (marked with the symbol) before usin g the
relevant function.
Indicates a double-insulated device.
Indicates AC (Alternating Current).
Indicates DC (Direct Current).
Indicates a grounding terminal.
The following symbols in this manual indicate the relativ e importance 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 correct
operation of the product.
Symbols for Various Standards
This symbol indicates that the product conforms to safety
regulations set out by the EC Directive.
WEEE marking:
This symbol indicates that the electrical and electronic
appliance is put on the EU market after August 13, 2005,
and producers of the Member States are required to display it on the appliance under Article 11.2 of Directive
2002/96/EC (WEEE).
Measurement categories (Overvolt age categories)
This instrument complies with CAT III (300 V) and CAT II (600
V) safety requirements. To ensure safe operation of measurement instruments, IEC 61010 establishes safety standards for
various electrical environments, categ orized as CA T I to CAT IV,
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and called measurement categories.
CAT I: Secondary electrical circuits connected to an AC electrical out-
let through a transformer or similar device.
CAT II: Primary electrical circuits in equipment connected to an AC
electrical outlet by a power cord (portable tools, household
appliances, etc.)
CAT III:Primary electric al circuit s of heavy equipment (fixed insta lla-
tions) connected directly to the distribution panel, and feeders
from the distribution panel to outlets.
CAT I V: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 instrument i n an env ironment designat ed
with a higher-numbered category than that for which the instrument is rated could result in a severe accident, and must be
carefully avoided.
Usage Notes
Follow these precautions to ensure safe operation and to obt ain
the full benefits of the various functions.
Preliminary Checks
• Before using the instrument the first time, verify that it operates normally to ensure th at no damage occurred during sto rage or shipping. If you find any damage, contact your dealer
or Hioki representative.
• Before using the instrument, make sure that the insulation on
the test leads is undamaged and that no bare conductors are
improperly exposed. Using the instrument in such conditions
could cause an electric shock, s o con tact your dealer or Hioki
representative for repair.
• Do not allow the ins tr ume nt to g et wet, a nd do not take
measurements with wet hands. The instrument may
be damaged.
• Do not use the instrument where it may be exposed to
corrosive or combustible gases. The instrument may
be damaged or cause an explosion.
• Do not store or use the instrument where it could be exposed
to direct sunlight, high temperature or humidity, or condensation. Under such conditions, the instrument may be damaged and insulation may deteriorate so that it no longer
meets specifications.
• This instrument is not designed to be entirely wate r- or dustproof. Do not use it in an especially dusty environment, nor
where it might be splashed with liquid. This may cause damage.
• Correct measurement may be impos sible in the presence of
strong magnetic fields, such as near transformers and highcurrent conductors, or in the p resence of strong electr omagnetic fields such as near radio transmitters.
• To avoid damage to the instrument, protect it from physical
shock when transporting and handling. Be especially careful
to avoid physical shock from dropping.
Specification
Measurement method
Function
Display
Battery low display
Sampling rate 2.5 times/second
Dimensions and
mass
Accessories
Power supply Battery CR2032 (3 VDC) × 1
Dielectric strength
Maximum input
voltage
Maximum rated
voltage to earth
(50/60 Hz)
Noise rejection ratio
Maximum rated power
Continuous
operating time
Operating
Environment
Operating temperat ure
and humidity
Storage temperature
and humidity range
Temperature
characteristics
Standards accuracy
Accuracy
Accuracy is guaranteed for 1 year at 23°C±5°C , 80%RH or l ess, and no
condensation. Battery low display is off ）
Function Range Accuracy *
DCV
[ V]
ACV
[ V]
Ω
Continuity 420.0 Ω ±2.0% rdg. ±4 dgt. 3.4 V or less
*1: Input impedance *2: Frequency range *3: Open terminal voltage
*4: Threshold level *5: rdg. Displayed value, dgt. Resolution
Double integration
DC voltage ( V), AC voltage( V), Resistance (Ω),
Continuity check( )
3-1/2 digits, LCD, 4199 count max. (except 500 V range)
3 digits, LCD, 549 count max. (500 V range)
lights
Approx. 55W × 109H × 9.5D mm, Approx. 60 g
(Approx. 2.17"W × 4.29"H × 0.37"D, Approx. 2.1 oz).
Instruction Manual, carrying case, Battery (supplied with
this product for monitor)
3.7 kVrms sin (50/60Hz for one minute) between input
and case
500 VDC/ 500 Vrms(sin) or 3×106 V•Hz (DCV/ACV)
Measurement Category III (300 V)
Measurement Category II (600 V),
(Anticipated Transient Overvoltage: 4000 V)
NMRR:40 dB or more [ V]
CMRR:100 dB or more [ V], 60 dB or more [ V]
15 mVA
Approx.150 hours [ V]
Indoors, Pollution Degree 2, up to 2000 m (6562-ft.)
0 to 40°C (32 to 104 °F), 80%RH max (no condensation)
-20 to 60°C (-4 to 140 °F),
70%RH max (no condensation)
Measurement accuracy x 0.15 /°C (except 23° C±5°C)
Safety :EN61010
EMC :EN 61326
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Remarks
420.0 mV ±2.0% rdg. ±4 dgt. 100 M Ω or over
4.200 V ±0.7% rdg. ±4 dgt. Approx. 11 MΩ
42.00 V ±1.3% rdg. ±4 dgt. Approx. 10 MΩ
420.0 V ±1.3% rdg. ±4 dgt. Approx. 10 MΩ
500 V ±1.3% rdg. ±4 dgt. Approx. 10 MΩ
50 to 500 Hz
4.200 V ±2.3% rdg.±8 dgt. Approx. 11 MΩ*
42.00 V ±2.3% rdg.±8 dgt. Approx. 10 MΩ
420.0 V ±2.3% rdg.±8 dgt. Approx. 10 MΩ
500 V ±2.3% rdg.±8 dgt. Approx. 10 MΩ
420.0 Ω ±2.0% rdg. ±4 dgt. 3.4 V or less
4.200 kΩ ±2.0% rdg. ±4 dgt. 0.7 V (typ.)
42.00 kΩ ±2.0% rdg. ±4 dgt. 0.5 V (typ.)
420.0 kΩ ±2.0% rdg. ±4 dgt. 0.5 V (typ.)
4.200 MΩ ±5.0% rdg. ±4 dgt. 0.5 V (typ.)
42.00 MΩ ±10.0% rdg. ±4dgt. 0.5 V (typ.)
*2
50 Ω ±40 Ω
*1
1
*3
500 V DC/
(one minute)
*3
*4
Over load
protection
500 V DC/
ACrms (sin)
or
6
V•Hz
3×10
ACrms (sin)
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Test lead
Red (+) / Black (-)
Connect the test leads to the
object to be measured.
Display
• Measurement value
• Units
• Symbols
• Decimal point
Function switch
• [OFF] Power Off
(
Power is turned ON in any position
other than OFF.)
• [ V]DC voltage
• [ V] AC voltage
• [Ω]Resistance
• [ ]Continuity check
Battery
(-)
(+)
Outlet
Leads
Resistor
Leads
Cord
Leads
Rear panel
Battery
CALIFORNIA, USA ONLY
This product contains a CR Coin Lithium Battery which contai ns
Perchlorate Material - special handling may apply.
See www.dtsc.ca.gov/hazardouswaste/perchlorate
Names and Functions of Parts
Functions
Auto Power Save Function
• This function automatically switches to the power save state
when 30 minutes have elapsed since the last operation.
• The auto power save function is activated automatically
when the power is turned on.
• To restore from the auto power save state, turn the function
switch to the OFF position once.
To avoid battery depletion, turn the function selector OFF after
use (the Auto Power Save feature consumes a small amount of
current).
To Disable Auto Power Save
1.Move the function switch from the OFF position to the
(continuity check) position before all display segments
appear.
2.While all display segments appear (about one second), move
the function switch from to Ω. APS
and the Auto Power Save function is disabled. Turning the
function switch momentarily OFF and then back on reactivates Auto Power Save.
Auto-range Function
When measuring a DC voltage [ V], AC voltage [ V], or resistance [W], the measurement range is automatically set to the
most appropriate range. Manual range setting is not possible.
Overflow Display
When the input exceeds the measurement range, "OF" is displayed.
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→ OFF is displayed,
]
Measurement Method
Pre-Operation inspection
To avoid the possibility of electric shock or incorrect measurement, check the following items before using the instrument.
If the operation check reveals any ab normalities, stop th e check
immediately and do not use the instrument.
Before using the instrument check that the body of
the instrument is not damaged. Also make sure that
the insulation on the test leads is und amaged and
that no bare conductors are improperly exposed.
Using the instrument in such conditions could cause
an electric shock accident may occur, so contact
your dealer or Hioki representative for repair.
• For voltage measurement, short the test leads and check th at
0 V is displayed.
• For Measuring Resistance or Continuity Check, short the test
leads and check that 0 Ω is displayed.
• Measure a test item with a known value (battery, AC supply,
resistor, etc.) to confirm that the known value can be displayed.
Periodic calibration and inspecton is necessary in order to ensure that this instrument operates according to it s product specifications.
Observe the following precautions to avoi d elec tric s hock .
• Always verify the appropriate setting of the function
selector before connecting the test leads. Disconnect
the test leads from the measurement object before
switching the function selector.
• Never apply voltage to the test leads when the Resistance measurement, Continuity check functions are
selected. Doing so may damage the instrument and
result in personal injury. To avoid electrical accidents,
remove power from the circuit before measuring.
• The maximum input voltage is 500 V DC/ACrms or 3 x
6
•V/Hz. Attempting to measure voltage in excess of
10
the maximum input could destroy the instrument and
result in personal injury or death.
• To avoid electrical shock, be careful to avoid shorting
live lines with the test leads.
• For safety, test lead connections must always be
made at the secondary side of a circuit breaker.
• The maximum rated voltage between input terminals
and ground is CAT III (300 V), CAT II (600 V). Attempt ing to measure voltages exceeding 450 V with respect
to ground could damage the instrument and result in
personal injury.
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Measuring DC Voltage [ V]
1.Set the function switch to V.
2.Connect the test leads to the object to be measured.
3.Read the display.
Connecting the leads of negative and positive side oppositely,
"-" is displayed.
Measuring AC Voltage [ V]
1.Set the function switch to V.
2.Connect the test leads to the object to be measured. When
measuring AC voltage, the polarity of leads can be ignored.
3.Read the display.
Measuring Resistance [Ω]
1.Set the function switch to Ω.
2.Connect the test leads to the object to be measured.
3.Read the display.
Continuity Check [ ]
1.Set the function switch to . The indication appears.
2.Connect the test leads to the object to be measured.
3.Conductivity is good when the buzzer sounds.
Replacing Battery
• To avoid electric shock when replacing the batteries,
first disconnect the test leads from the object to be
measured. After replacing the batteries, replace the
cover and screws before using the instrument.
• Be sure to insert them with the correct polarity. Otherwise, poor performance or damage from battery leakage could result. Replace batteries only with the
specified type.
• Battery may explode if mistreated. Do not short-c irc uit,
recharge, disassemble or dispose of in fire.
• Handle and dispose of batteries in accordance with
local regulations.
• Keep batteries away from children to prevent accidental swallo wing.
1.Remove the test leads from the test item, and power the
instrument off.
2.Remove the instrument from the case, and remove the
screws on the rear panel.
3.Remove the used battery.
4.Being careful about the polarity, insert the new battery
(CR2032) of the specified type.
5.Replace the rear panel and fasten the screws.
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