Testing Diodes and Continuity(See Figure 5)
POCKET DIGITAL
MULTIMETER
• Auto ranging
• AC/DC Voltage 4-600V
• AC/DC Current
• Resistance
• Capacitance
• Frequency
• Continuity
• Diode test
• Data hold
• Relative mode
• Auto power off
• CAT II 600V
5)
tinuity(See
Figure 5)
OPERATOR’S MANUAL
ORDER CODE: OXD-516-6462E
CZ HU PL SK TH cromwell.co.uk
1. Before use, ensure test leads are in good
INTRODUCTION
condition with no insulation damage or
OXD-516-6462E is a 4000 count notebook
broken wires.
type digital Multimeter with following
2. Keep your hands within protection
advantages: auto-ranging, complete functions,
area during the operation.
stable performance, high accuracy, low power
3. To avoid electric shock or damage to
consumption, novel structure, high degree of
the meter do not apply voltage above
safety and reliability. It is capable of
measuringCapacitance(See
Measuring
FigureMultimeter
6)
600V between
terminals and
AC/DC voltage and current, frequency, duty
grounding.
cycle, resistance, capacitance, diode forward
4. Please use caution when working on
voltage drop and continuity.
voltages above DC 60V and AC 42VRMS so
This manual specifies safety information and
as to prevent electric shock.
notes related to this Multimeter, please read
the manual carefully before use and strictly
5. Do not use the Multimeter when the back
follow all warnings and notes during the
cover is not well placed, otherwise, it may
operation.
cause electric hazard.
6. Do not exceed the specified limit value in
WARNING: Please read “the manual” before
order toSpecifications
avoid shock hazard or Multimeter
operating the Multimeter
General
damage
SAFETY INFORMATION
7. Function switch over is not allowed
Pay attention to
warning symbol and its
during measurement so as to protect the
corresponding contents. Warning items state
Multimeter.
situations
or
actions
that
may
cause
potential
Measuring Capacitance(See Figure 6)
8. Do not change internal wiring without
risks to users or damage to the Multimeter or
authorised permission which may endanger
measured equipment. OXD-516-6462E is
the Multimeter or users.
designed and manufactured in accordance
with safety standards IEC61010, Double
9. To ensure accurate readings, please
Insulation and CAT II 600V as well as Pollution
change the battery if
icon appears.
t 10. Do not
Degree 2.
F use or store the Multimeter in
Warning: Operate the Multimeter as specified
environments exposed to high temperature
in the manual; otherwise the protection offered
and humidity.
by the Multimeter will be impaired.
Clean
the Multimeter
with a soft
Measuring DC &11.
AC
Current(See
Figure housing
7,8)
damp cloth with mild detergent.
INTERNATIONAL
ELECTRICAL
SYMBOLS
International Electrical
Symbols
ACCURACY SPECIFICATIONS
Accuracy: ± (a% readings+ b digits),
warranty
one year.
General period:
Specifications
Ambient Temperature: 23°C±5°C.
Relative Humidity: ≤ 75%.
Europeon standards
t
Functions Range Resolution
400mV .1mV
4V
DC Voltage
40V
DCV
400V
600V
Accuracy ± (a%
Input
reading + b digits) Protection
±(0.8%+3)
1mV
10mV
±(0.8%+1)
100mV
1V
±(1%+3)
(See Figure 6)
Accuracy Specifications
,8)
F
rrent(See Figure 7,8)
F
MULTIMETER DESCRIPTION
1. LCD Display
International Electrical
Symbols
Measuring
DC & AC Current(See Figure 7,8)
Input
2. DC & AC Voltage and Current,
Impedance
Resistance,
Capacitance, Diode,
10MΩ
600V
Continuity measurement
selector (SELECT Button)
600V 600V
3. Relative Measurement (REL Button)
4. Function Selection Switch
Europeon standards
5. Hz/% Measurement (V, uA, mA
BATTERY REPLACEMENT
and Hz/% functions)
If
icon
appears
on
LCD,
please
change
Safety Information
6. Data Hold (Hold Button)
600V
the battery and do as
below:
, which
A Warning states
7. however
Positive
Input End
1. Disconnect
test leads from circuits
will
(Red Test Lead)
under test and set rotary switch
600V
to OFF position.
8. Negative Input End
**END**
(Black Test Lead)
2. Unscrew the back
housing and remove it.
3. Replace old battery
600V
with the new 3V
CR2032
Description
General Specifications
600V DC
600V AC
Accuracy Specifications
Accuracy Specifications
**END**
TECHNICAL SPECIFICATIONS
Max. Input Voltage between Voltage Terminal
General
Specifications
and Grounding
600VRMS or 600DCV
Range Selection:
Measuring Speed Rate:
Max. Display:
Over-Load Display:
Polar Indication:
Auto-ranging
3 times per second
3999, 3¾ digits
“OL”
“-” Icon for
negative input
Low Battery Display:
on LCD
Battery:
One Lithium-manganese
button cell, 3V,
model: CR2032
Operating Temperature:
0°C~ 40°C
(32°F~104°F)
Humidity:
≤ 75%
Storage Temperature:
-10°C~ 50°C
(14°F~122°F)
Operating Altitude Height: ≤ 2000m
Dimensions:
109.8mm x 58.2mm
x 10.8mm
Weight:
76g (test leads &
Accuracy Specifications
batteries included)
Auto Power Off:
After 30 minutes
Measuring DC Voltage(See Figure 2)
BUTTON FUNCTION DESCRIPTION
SELECT Button
Used to switch over between DC & AC voltages,
DC & AC Currents as well as for resistance,
Measuring
AC Voltage (See
Figure 2) continuity and diode
capacitance,
buzzer
measurements, indicated by beeping during
the operation. Pressing this button can wake up
the Multimeter from sleep mode and cancel the
auto sleep function.
DC Voltage(See
Figure 2)
REL Measuring
Button (Relative
Measurement)
With this button pressed down, current
reading is set as reference value which will be
subtracted from subsequent readings. Press
**END**
again to exit this mode and return to normal
measuring status. This function is not available
under frequency
and duty cycle measurements.
Measuring Resistance(See
Figure
Measuring
AC3)Voltage (See Figure 2)
HOLD Button (Data hold)
Press this button to lock displayed values,
release it to unlock this status and return to
normal measuring mode.
Hz/% Measurement
range
The Multimeter
can switch into Hz or %
measurement with this button pressed down if
final
currently under V/uA/mA function (also used for
frequency and duty cycle selection); when Hz/%
operation is finished, the Multimeter will return
to V/uA/mA status with fixed range 400mA for
DCV or 4V for ACV and meanwhile “AUTO” icon
on LCD disappears. If high voltage is under test,
Measuring Frequency and Duty Cycle
set rotary
switch to desired range or turn the
(See Figure
4)
Multimeter off to reset auto-ranging for V/uA/
mA function before starting the measurement.
Under Hz/% mode, the Multimeter can switch
over to measure frequency or duty cycle.
Measuring Resistance(See Figure 3)
Testing Diodes and Continuity(See Figure 5)
Testing Diodes and Continuity(See Figure 5)
Testing Diodes and Continuity(See Figure 5)
Measuring Resistance(See Figure 3)
P/N:110401104708X
OPERATING INSTRUCTIONS
Testing
Diodes
Continuity(See
Figure
TESTING
DIODE
ANDand
CONTINUITY
(see Figure
4) 5)
• As for resistance 400Ω range measurement,
3. Read measuring values indicated on LCD.
Switch on the Multimeter to check if there
test leads will cause error 0.1Ω~0.3Ω to
1.
Set
rotary
switch
to
position.
4. If reversing test lead connection,
is
icon on the LCD, if any, it indicates the
readings. In order to get accurate readings,
2. Press SELECT button to access
LCD will indicate negative readings.
power supply is low. To ensure high accuracy
the ultimate results should subtract the
diode measurement mode (repress
for measurement, please change the battery.
WARNINGS:
value when two test leads short circuit. It is
to go into continuity testing).
You should also take notice of WARNINGS,
•
D
o
not
input
voltage
above
600V,
you
may
suggested
performing
the
operation
under
, which
P/N:110401104708X
3.
Connect test leads to
which
indicate
not
to
exceed
maximum
input
get
desired
values,
however,
which
causes
relative
measurement
mode.
600V
range
however will
N:110401104708X
measured diode (red to
limit when measuring voltage.
hazard to internal wiring.
• The meter should display “OL” if no signal
anode, black
to cathode),
Testing
Diodes
and Continuity(See Figure 5)
Measuring DC
Voltage
• To avoid electric shock use extreme caution
is input, for instance, open circuit.
asuring DC Voltage(See
Figure
2) (see Figure 1)
then LCD reading is
final
when
measuring
high
voltage.
1. Set rotary switch to V position, Measuring Resistance(See
•P/N:110401104708X
F
or measurement ≥ 1MΩ, it normally takes
P/N:110401104708X
Figure 3)
approximate value for
AUTO and DC icons appear on LCD.
•D
isconnect test leads with measured600V
several seconds to get stable readings.
diode forward voltage
circuits after finishing all the operations.
drop (if resistance
2. Connect test leads to the power under
MEASURING FREQUENCY AND DUTY CYCLE
between two terminals
test (Black to cathode, red to anode).
MEASURING RESISTANCE (see Figure 2)
(See Figure 3)
of circuits under test
Continuity(See
Figure 5)
3. Read measuring results displayed Testing
on LCD. Diodes
1. and
Set rotary
switch
1. Set rotary switch to Hz/% or V/uA/mA position.
is ≤60Ω, the meter
General
Specifications
Testing AC
Diodes
and
Continuity(See
Figure
5)
asuring
Voltage
(See
Figure
2)
to
position.
4. Reverse test leads, then LCD will display
Figure 4
2. Press
Hz/% button to access
will beep and display
Gene
General
Specifications
negative readings.
2. Connect test leads to
frequency measurement.
resistance value on LCD).
cy Specifications
the resistor under test.
, which (see Figure 1)
MEASURING AC VOLTAGE
3.Testing
Connect
test leads
Measuring
Frequency
andDiodes
Duty
Cycle
WARNINGS: If measured diode is under
and Continuity(See Figure 5)
Testing
Diodes and Continuity(See
Figure 5)
range
3. Read
measured results
to frequency signal
open circuit status or reversing the polarity
1. Set rotary switch to
(See6)Figure 4)
Measuring
Capacitance(See
Figure
on the LCD.
source under test.
(namely, black
to anode,
V position and press
Measuring Capacitance(See
Figure
6) red to cathode),
Measuring Capacitance(See Figure 6)
the Multimeter displays “OL” on LCD.
SELECT button, then
4. Read results on LCD.
final
LCD will display AUTO,
• This function can also measure PN voltage drop
5. Press Hz/% button
AC icons.
of diode or semiconductor. The reading
again
to
access
%
**END**
of forward voltage drop should be within
2. Connect test leads to
measurement.
0.5~0.8V
for a normal
silicon semiconductor.
the power under test
Measuring
Capacitance(See
Figure 6)
(Black to cathode, red
Figure 2
Figure 3
•C
ut off all circuits and discharge the capacitor
to anode).
before measuring online diode so as to avoid
WARNINGS:
WARNINGS:
Multimeter damage.
P/N:110401104708X
The measuring resolution will vary slightly
•P
lease ensure to turn off the power
6
•
D
o not input voltages above DC60V or AC
based on frequency and waveform that have
and and
discharge
all capacitors before
Measuring Frequency
Duty Cycle
30Vrms
to
prevent
damage
to
the
meter
or
Figure 1
been input, and resolution for this Multimeter is
measuring online resistor so as to
P/N:110401104708X
(See Figure 4)
personal injury.
set with reference to sine wave.
avoid Multimeter damage.
asuring Resistance(See Figure 3)
Measuring Capacitance(See Figure 6)
General Specifications
General Specifications
60
THE ENVIRONMENT
Always dispose of unwanted tools, accessories and packaging
WARNINGS:
materials in an environmentally friendly manner.
CAPACITANCE
MEASUREMENT
(see Figure
5) 5) DC & AC CURRENT MEASUREMENTS
Testing Diodes
and Continuity(See
Figure
In observance of European Directive on Waste Electrical
•Cut off the current before connecting
(see Figure 6 & 7)
1. Set rotary switch to
position;
and Electronic Equipment (WEEE) and its implementation
the
Multimeter
to
the
loop,
otherwise
spark
1. Set rotary switch
to “µA”
in accordance with national
law, electrical
goods that have
General
Specifications
General
Specifications
Accuracy
Specifications
Figure
6) F or “mA” position,
2.Testing
Press SELECT
three times Measuring
reached the end of their life must be collected separately and
Diodesbutton
and Continuity(See
Figure 5) Capacitance(See
hazard occurs.
t
Accu
and press SELECT
button
to choose desired Accuracy
Specifications
returnedFto an environmentally compatible recycling facility.
Measuring Capacitance(See
Figure 6)status.
to access capacitance
t
t
F or AC range, then connect test leads
DC
Do not dispose of electrical goods with domestic waste
•Please ensure right input terminals
materials
as
inappropriate
disposal
may
cause
potential
3. Given
there is still readings
in series to measured loop.
range
and functions are selected during
hazards to the environment and human health.
under open circuit, choose
For further information, please contact your local authority
measurement; start from higher range if
2.
Read
current
readings
on
LCD.
Measuring
DC
&
AC
Current(See
Figure
7,8)
Measuring
Capacitance(See
Figure
6)
or the retailer from whom you purchased the product.
Measuring Capacitance(See Figure 6)
relative measurement mode.
not
sure about
current flow under
test.
Measuring DC & AC Current(See Figure 7,8)
RMS value displayed
when measuring
Figure 7,8)
final
4. Press REL button one time. Measuring DC & AC3.Current(See
•This Multimeter is not expected to measure
AC current (Sine wave).
t
F
*
current higher than 400mA.
5. Connect test leads to
QUALITY GUARANTEE & WARRANTY
**END**
OXFORD PRECISION products carry a one year manufacturer’s
warranty.
/N:110401104708Xcapacitance under test,
•Do not connect test leads in parallel to any
OXFORD PRECISION products are designed & manufactured
then read data on LCD.
circuit, otherwise it may burn internal fuse
to the highest standards & specifications.
Assuring
the
quality600V
and performance
required
by all sectorsFigure
of industry.7,8)
Measuring
DC & AC
Current(See
and damage the meter.
WARNINGS:
OXFORD PRECISION products are fully guaranteed
Figure 5
against faulty materials & workmanship.
•Cut off the power supply and then
•C
ompletely discharge all
Should they be found to be defective, they will either be repaired or
disconnect test leads with circuits under
capacitors before measurement.
replaced free of charge (fair wear and tear and/or misuse excepted).
test after finishing all operations, which is
Please retain supplier invoice as proof of purchase.
• As for online capacitor measurement, you
t
F
asuring Frequency
andoff
Duty
particularly important when measuring
600V
must
cut
all Cycle
power
supply
of measured
Testing
Diodes
and
Continuity(See
Figure
5)
large
current.
e Figure 4) circuits and discharge completely all
DECLARATION OF CONFORMITY
We hereby certify that the OXFORD POCKET DIGITAL
capacitors.
MULTIMETER (ORDER CODE: OXD-516-6462E)
• When measuring capacitance with polarity
Complies with
all&
the
relevant
provisions of
the
Measuring
DC
AC
Current(See
Figure
7,8)
General Specifications
EMC
Electromagnetic
Compatibility Directive 2014/30/EU
distinction, ensure right connection between
Standards Applied: EN61326-1:2013, EN61326-2-2:2013
Accuracy
Specifications
test leads and capacitor (red to anode, black
t Figure
LVD Low Voltage Directive 2014/35/EU
6F
Figure 7
Accuracy
Specifications
to cathode).
Standards Applied: EN61010-1:2010, EN61010-2-030:2010
General Specifications
t
F
EN61010-2-033:2012, EN61010-031:2015
• I t normally takes several seconds to display
RoHS2 Restriction of Hazardous Substances Directive 2011/65/EU
Measuring
Figure
6)
readings
whenCapacitance(See
measuring more than
10µF
Accuracy Specifications
Accuracy
Specifications
Measuring
DC
&
AC
Current(See
Figure
7,8)
Capacitance.
t
F
t
F
Measuring DC & AC Current(See Figure 7,8)
• ToMeasuring
avoid damage
to
the
Multimeter
or
Capacitance(See Figure 6)
Signed:
Name: Toni Johnson
Date: September 2019 Position: Compliance Director. **END**
personal injury do not apply voltages above
**END**
DC60V or AC 30Vrms.
Measuring DC & AC Current(See Figure 7,8)
Measuring DC & AC Current(See Figure 7,8)
OXFORD PRECISION
P.O. Box 14, Wigston, Leicester,
England, LE18 1AT.
General Specifications
600V
*
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