Oxford PRECISION OXD-516-1725D User manual
AUTO RANGING
CLAMP METER 2000A AC
OPERATOR’S MANUAL
ORDER CODE: OXD-516-1725D
CZ HU PL SK TH cromwell.co.uk
• Auto ranging
• AC current to 2000A
• DC voltage to 1000V
• AC voltage to 750V
• Audible continuity
• Resistance
• Diode testing
• 63mm jaw opening
• LCD backlight
• Maximum value hold
• Data hold
• Auto power off
• Hand strap
• Carrying case
• Test leads
2
SAFETY INFORMATION
Never apply more than the rated voltage, as marked on the Clamp Meter, between
the terminals or between any terminal and grounding. If the value to be measured is
unknown, use the maximum measurement position and reduce the range step by step
until a satisfactory reading is obtained.
Never attempt to use the Clamp Meter if you think it is not working properly.
Never use the Clamp Meter if the battery cover or rear casing is not in place.
Never turn the dial function switch whilst the Clamp Meter is performing tests.
Never alter the internal wiring of the Clamp Meter.
Never use the Clamp Meter near explosive gases, vapours or dust.
Always hold the test leads with your ngers behind the test lead protector.
Always inspect the Clamp Meter for damage before use. Do not use if there are signs of
damage.
Always inspect the test leads for damage and continuity before use. Do not use if there
are signs of damage.
Always be careful when measuring voltages higher than DC 70V or AC 33V due to risk of
electric shock.
Always use approved test leads.
Always disconnect the power and discharge all the capacitors before testing resistance,
continuity and diodes.
Always select the maximum range position if the possible current value is not known.
Always replace the battery if the “
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Figure 1
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” is displayed. When the battery power is low, the
Clamp Meter may produce an incorrect reading.
Always clean the Clamp Meter with a soft cloth using a neutral detergent.
Always disconnect the Clamp Meter from the circuit under test when the measurement
has been completed.
Always connect the common test lead rst and the live test lead last when taking
readings. Reverse the process when disconnecting the test leads.
Always replace the end caps on the banana plugs after using the test leads.
This will prevent debris from causing a false reading.
SYMBOLS USED
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Figure 1
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H
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PRODUCT FEATURES (FIGURE 1)
1. Clamp body
2. Clamp head trigger
3. Function keys
4. Input port
5. LCD
6. Dial function switch
7. Clamp head
8. Wire positioning indicators
DISPLAY SYMBOLS (FIGURE 2)
1. Low battery indicator
2. DC signal measurement indicator
3. Negative polarity indicator
4. AC signal measurement indicator
5. Resistance measurement unit (W, kW, MW)
6. Measured value display
7. Voltage measurement unit (V, mV)
8. Current measurement unit (A)
9. Conduction measurement indicator
10. Diode testing indicator
11. Data hold indicator
12. Auto range indicator
13. Maximum value measurement indicator
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VI. Display symbols (See Figure 2)
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to
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»
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----5 -6-- 7
Figure 2
VII. Key function and buzzer
··
·· M
X
X
V X
v X
Q X
X
X
8
FUNCTION KEYS
SELECT Function selection key.
Used for switching between resistance, diode
and continuity testing at the
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VI. Display symbols (See Figure 2)
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----5 -6--7
Figure 2
VII. Key function and buzzer
··
·· M
X
X
V X
v X
Q X
X
X
setting.
MAX Maximum value hold key
The highest measurement is retained (the
actual value is not the peak value but the
maximum one).
HOLD Reading hold key
Displayed value is locked and held.
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VI. Display symbols (See Figure 2)
I3 1 to i
1
�I »
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----5 -6-- 7
Figure 2
VII. Key function and buzzer
··
·· M
X
X
V X
v X
Q X
X
X
Backlight key
Hold the key for two seconds to turn the
display light on or off.
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VI. Display symbols (See Figure 2)
I3 1 to i
1
�I »
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----5 -6-- 7
Figure 2
VII. Key function and buzzer
··
··
M
X
X
V X
v X
Q X
X
X
VALIDITY OF KEYS
The function keys will only work for certain selected
measurements. The corresponding operation
function can be selected or instrument under sleep
state be awakened only by valid key operations, as
shown below:
BUZZER
When pressing any function key during any
measurement, if valid, the buzzer will beep or remain
silent. When measuring AC voltage > 750V or DC
voltage > 1000V, the buzzer will make a sound to
indicate an over range alarm.
1
2
4
TECHNICAL INFORMATION
General specification
Liquid crystal display: Maximum display 1999.
Polarity display: Auto positive and negative polarity display.
Over range indication: “OL” or “-OL”.
Low battery indication “ ” battery needs replacing.
Sampling rate: 3 times per second
Type of sensor: AC measurement current coil sensor.
Test position error: An additional reading error of ± 1.0% may be resulted when
the power to be measured is not clamped at the centre of
clamp head.
Impact resistance: 1m fall.
Maximum opening of the clamp head: 63mm diameter.
Maximum dimension of
conductor to be measured: 60mm diameter.
Electromagnetic eld impact: Using the Clamp Meter near an electromagnetic eld may
Result in an unstable display or an inaccurate reading.
Power: 6F22 9V alkaline battery.
Dimension: 298mm x 107mm x47mm.
Weight: 390g (inclusive of battery).
Environmental constraint
Working height: Indoor.
Maximum height: 2000m.
Safety codes: IEC61010-1; 1EC61010-2-032; CAT III 1000V CAT IV600V.
Pollution degree: 2.
Operating temperature and humidity: 0°C ~ 30°C (not higher than 80% RH), 30°C ~ 40°C (not higher
than 75% RH), 40°C ~ 50°C (not higher than 45% RH).
Storage temperature and humidity: -20°C ~+ 60°C (not higher than 80% RH).
Electrical specification
Accuracy: ± (%+word number), one year calibration period.
Ambient temperature: 23°C ±5°C.
Ambient humidity: ≤80% RH.
Temperature coecient: 0.1 x(accuracy) /°C.
5
DC VOLTAGE ( )
Input impedance ≥10MW
AC VOLTAGE ( )
Mean value response
Input impedance ≥10MW
Frequency response: 40~400Hz(≤400mV; 50~100Hz)
RESISTANCE (W)
CONTINUITY TEST ( )
DIODE TEST ( )
AC CURRENT ( )
Mean value response
Frequency response: 50Hz~60Hz
6
OPERATING THE CLAMP METER
DC voltage measurement (See Figure 3)
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Figure 1
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DC voltage measurement range must
not exceed DC 1000V.
1. Insert the black test lead into the COM input
port and the red test lead into the “V” input port.
2. Turn the dial function switch to “ ”.
3. Place the red and black test leads to the circuit
under test. The clamp meter will automatically
select the correct range and the LCD will display
the voltage value.
AC voltage measurement (See Figure 4)
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Figure 1
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AC voltage measurement range must not
exceed AC 750V.
1. Insert the black test lead into the COM input
port and the red test lead into the “V” input port.
2. Turn the dial function switch to “ ”.
3. Place the red and black test leads to the
circuit under test. The clamp meter will
automatically select the correct range and
the LCD will display the voltage value (mean
value response).
7
Resistance measurement W(See Figure 5)
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Figure 1
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Always make sure the power is off and
all capacitors are fully discharged before
measuring resistance.
A more accurate measurement result will be
achieved by separating the component from
the circuit.
1. Insert the black test lead into the COM
input port and the red test lead into the
“Ω” input port.
2. Turn the dial function switch to “Ω“.
3. Connect tip of the test leads to the
points where the value of the resistance
is needed.
4. Read the result from the LCD panel.
Diode measurement (See Figure 6)
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Figure 1
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Always make sure the power is off and
all capacitors are fully discharged before
measuring resistance.
A more accurate measurement result will be
achieved by separating the component from
the circuit.
1. Insert the black test lead into the COM
input port and the red test lead into the
“Ω” input port.
2. Turn the dial function switch to “ ”,
press the “SELECT” button once and
“ ” will appear on the LCD.
3. Place the red and black test lead to the
positive and negative terminals of the
diode.
4. The forward conduction voltage value
will be indicated on the LCD.
5. When the red and black test lead is
inadvertently connected, the over range
symbol “OL” is displayed.
8
Continuity test
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Figure 1
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(See Figure 7)
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Figure 1
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Always turn the power off and discharge
fully all capacitors before measuring
continuity.
1. Insert the black test lead into the COM
input port and the red test lead into the
“
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Figure 1
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” input port.
2. Turn the dial function switch to “
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”,
press the “SELECT” button twice and
“
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Figure 1
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” will appear on the LCD.
3. Short the tips of the test leads together
and conrm the LCD screen shows near
zero and the Clamp Meter will emit a tone.
4. Place the red and black test leads at
both the positive and negative points
to be measured. The buzzer will sound
when the resistance is less than 10W,
between 10W and 100W there will
either be a tone or silence and above
100W there will be silence.
2000A AC Current measurement 2000
(See Figure 8)
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Figure 1
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Never exceed AC 2000A when measuring
AC current.
Never measure current using the test probes.
Never attempt to measure a large current
continuously for a long time as it may
cause over heating to the magnetic
circuits and therefore affect accuracy.
1. Turn the dial selection switch to 2000
2. Open the clamp head, insert the wire to
be measured and close the clamp head.
3. Keeping the wire in the centre
position of the clamp head, read the
measurement in the display (mean
value response).
9
200A AC Current measurement 200
(See Figure 9)
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Figure 1
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Never exceed AC 2000A when measuring
AC current.
Never measure current using the test
probes.
Never attempt to measure a large current
continuously for a long time as it may
cause over heating to the magnetic
circuits and therefore affect accuracy.
1. Turn the dial selection switch to 200
2. Open the clamp head, insert the wire to
be measured and close the clamp head.
3. Keeping the wire in the centre
position of the clamp head, read the
measurement in the display (mean value
response).either be a tone or silence and
above 100W there will be silence.
MAINTENANCE
The Clamp Meter should be maintained and
serviced by a qualied electrician.
Clean the outer casing with a soft cloth using
a neutral detergent.
INSTALLING AND REPLACING THE BATTERY
(See Figure 10)
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Always disconnect the test leads from the
Clamp Meter prior to opening the battery
cover.
1. Switch off the Clamp Meter.
2. Put the Clamp Meter face down.
3. Unscrew the battery cover.
4. Take out battery or install a new 6F22 9V
battery as per the indicated polarity.
5. Replace the battery cover and tighten
the screw.
Remove the battery from the Clamp Meter
during long periods of non use.
10
Attaching The Hand Strap (See Figure 11)
1. Open the hand strap.
2. Slide the two tabs through the tether points.
3. Fold the tabs back over themselves and press them down rmly.
4. Close the strap by pressing it rmly in place.
Figure 11
11
NOTES
THE ENVIRONMENT
DECLARATION OF CONFORMITY
We hereby certify that the OXFORD AUTO RANGING
CLAMP METER 2000A AC
(ORDER CODE: OXD-516-1725D)
Complies with all the relevant provisions of the
EMC Electromagnetic Compatibility Directive 2014/30/EU
Standards Applied: EN61326-1:2013, EN61326-2-2:2013
LVD Low Voltage Directive 2014/35/EU
Standards Applied: EN61010-1:2010, EN61010-2-032:2012 EN61010-2-033:2012,
EN61010-031:2015, IEC61010 031:2015
RoHS2 Restriction of Hazardous Substances Directive 2011/65/EU
Signed:
Date: September 2019
Name: Toni Johnson
Position: Compliance Director.
Always dispose of unwanted tools, accessories and packaging materials in an
environmentally friendly manner.
In observance of European Directive on Waste Electrical and Electronic Equipment
(WEEE) and its implementation in accordance with national law, electrical goods that
have reached the end of their life must be collected separately and returned to an
environmentally compatible recycling facility.
Do not dispose of electrical goods with domestic waste materials as inappropriate
disposal may cause potential hazards to the environment and human health.
For further information, please contact your local authority or the retailer from
whom you purchased the product.
QUALITY GUARANTEE & WARRANTY
OXFORD PRECISION products carry a one year manufacturer’s warranty.
OXFORD PRECISION products are designed & manufactured
to the highest standards & specications.
Assuring the quality and performance required by all sectors of industry.
OXFORD PRECISION products are fully guaranteed against faulty materials & workmanship.
Should they be found to be defective, they will either be repaired or replaced
free of charge (fair wear and tear and/or misuse excepted).
Please retain supplier invoice as proof of purchase.
OXFORD PRECISION
P.O. Box 14, Wigston, Leicester,
England, LE18 1AT.
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