Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 - TestEquipmentDepot.com
PRO-90 Instruction
Clamp Multimeter Card
Warning
Safety
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Read First
Safety Information
To ensure safe operation and service of
the Tester, follow these instructions.
Failure to observe warnings can result in
severe injury or death.
- Avoid working alone so assistance can
be rendered.
Do not use test leads or the Tester if
-
they look damaged.
- Do not use the Tester if the Tester is
not operating properly or if it is wet.
- Use the Tester only as specified in the
Instruction card
or the protection by
the Tester might be impaired.
- Use extreme caution when working
around bare conductors or bus bar.
Contact with the conductor could
result in electric shock.
Do not use the Tester to measure volt-
-
ages in circuits that could be damaged
by the Tester’s low input impedance
(approximate 4KΩ)
Use caution with voltages above 30 V
-
ac rms, or 60 V
dc. These voltages
pose a shock hazard.
Symbols as marked on the Tester
and Instruction card
Risk of electric shock
See instruction card
DC measurement
Equipment protected by double or
reinforced insulation
<
Battery
Earth
AC measurement
Conforms to EU directives
Application around and removal
from hazardous live conductors is
E
permitted
Do not discard this product or
throw away
Power On / Off
• The Meter displays Battery Capacity
when powering up. Please replace the
battery when 0% is shown.
The Teste
mode.
Caution
powers up in Ω / continuity
r
Auto Power Off Enable /
Disable
Auto Hold Enable /
Disable
Self-Testing Aid
Fail of usage
Ready to use
• Do not measur e while powering up, it
will cause Self-Testing failure.
Do not use the Meter whe
shown. Undiscovered failure could exist
even No “FAIL” is shown.
Caution
n “FAIL” is
ACA
CAT.Ⅲ.600V
with respect to
earth for the jaw.
Barrier for
Hand Guard
Do not hold
the meter above
the Barrier
AC V / DC V
When connecting the test leads to the
circuit or device, connect the black lead
before the red lead ; when removing the
test leads, remove the red lead before
the black lead.
Caution
Continuity
Resistance / Diode
Priority of function
The LCD display shows
voltage mode when the
input Terminal is
satisfied by the following
conditions:
ACV 1.3V ~ 999.9V
DCV 2.1V ~ 999.9V
-0.7V ~ -999.9V
The LCD display shows
Ω mode when the input
terminal is satisfied by
the following conditions:
0 ~ ∞Ω
ACV 0 ~ 0.9V
DCV -0.4 ~ -0.2V
DCV 1.0 ~ 2.0V
The LCD display shows
diode mode when the
Input Terminal is satisfied by the following
conditions:
DCV 0.4 ~ 0.8V
The LCD display shows
AC mode when the
Current Input Jaw is
Priority of function
satisfied by the following
conditions :
ACA 0.9A ~ 600.0A
Data Hold Beep Guard
The internal sounder will beep continuously with LCD display flashing in two
situations in the Data Hold mode:
1. The Meter measures a signal different
from the LCD reading.
2. The measured signal is the same unit
as the LCD reading and is larger 50
counts than the LCD reading.
Auto Hold ( ACA only )
• Input Impedance
≧
4K for input voltage up to 30V.
Impedance increases with input voltage
to approximate 375KΩ
Do not apply more than 1000VDC / 750
VAC between Tester terminal and earth
ground.
Warning
at 750V.
Data Hold
Data Hold is not available when “OL KΩ“
is displayed with no input signals.
Auto Power Off
If the meter is used in the vicinity of
equipment which generates electromagnetic interference, the display may
become unstable or the measurements
shown may be subject to large errors.
Caution
Maintenance
Do not attempt to repair this Tester.
It contains no user-serviceable parts.
Repair or serving should only be
performed by qualified personnel.
Cleaning
Periodically wipe the case with a dry
cloth and detergent do not use abrasives
or solvents.
Battery Replacement
Caution
The calibration seal can only be
punctured by certified distributor for
annual calibration otherwise the meter’s
performance can not be warranted.
Specifications
1-1 General Specifications
LCD display digits :
9999 digit large scale LCD readout.
Measuring rate : 5 times / sec.
Overrange display : “OL” is displayed
for “Ω” function, shows the real value for
“A” and “V” function.
Automatic power off time :
Approximately 20 minute s afte r power on
without operations.
Low battery indicator :
is displayed. Replace the battery
when the indicator appears in the
display.
Power requirement : 9V battery.
Battery type and life :
ALKALINE PP3, 9V 250 hours.
1-2 Environmental Conditio ns
Indoor Use.
Calibration : One year calibration cycle.
Operating temperature :
0°C ~ 30°C (≦80% RH)
30°C ~ 40°C (≦75% RH)
40°C ~ 50°C (≦45%RH)
Storage temperature : -20 to +60°C,
0 to 80% RH (batteries not fitted).
Operating altitude : 2000m (6562 ft)
Overvoltage category :
IEC 61010-1 1000V CAT.Ⅱ,
CAT Application field
Ⅰ
Ⅱ
Ⅲ
Ⅳ
Conductor Size : 27mm diameter.
Pollution degree : 2
EMC : EN 61326-1
Shock vibration :
Sinusoidal vibration per MIL-T-28800E
(5 ~ 55 Hz, 3g maximum).
Drop Protection : 4 feet drop to
hardwood on concrete floor.
600V CAT.Ⅲ
The circuits not connected to mains.
The circuits directly connected t o
Low-voltage installation.
The building installation.
The source of the Low-voltage
installation.
1-3 Electrical Specifications
Accuracy is ±(% reading + number
of digits) at 23°C ± 5°C < 80%RH.
Temperature coefficient :
0.2 x (Specified accuracy) / °C, < 18°C, >
28°C.
Voltage
Function Range Accuracy
V
V
Overload protection :
1000 VDC / 750 VAC
Max Operation time : DT=30s for ≧30V
Input impedance : ≧4K for input voltage
up to 30V. Impedance increase s wit h
input voltage to approximate 375KΩ at
750V.
1.3V ~ 750.0V
2.1V ~ 1000V
-0.7V ~ 1000V
±(1.5%+ 3 dgt)
50Hz ~ 500Hz
±(1%+ 2 dgt)
±(1%+ 4 dgt)
Resistance & Continuity & Diode
Function Range Accuracy
0.0Ω ~ 9999Ω ±(2% + 2 dgt)
Ω ;
0.4V ~ 0.8V
Overload protection :
1000 VDC / 750 VAC
Max. open circuit voltage : 2.0V
Continuity check : Internal sound
activates if the resistance of the circuit
under test is less than 25Ω.
It will then turn off if the resistance is
increased beyond 400Ω.
Specified from 0°C ~ 40°C.
±(1% + 3 dgt)
AC Current
Function Range Accuracy
A
0.9A ~ 600.0A
Overload protection : 600.0A
0 ~ 500A : Continuous Operation.
* 501A ~ 600A : 10 minutes maximum
Followed by 10 minutes cooling period.
±(1.9% + 5 dgt)*
50Hz ~ 60Hz
Limited Warranty
This Meter is warranted to the original
purchaser against defects in material
and workmanship for 1 year from the
date of purchase. During this warranty
period, manufacturer will, at its option,
replace or repair the defective unit,
subject to verification of the defect or
malfunction. This warranty does not
cover disposable batteries, or damage
from abuse, neglect, accident, unauthorized repair, alteration, contamination, or
abnormal conditions of operation or
handling.
Any implied warranties arising out of
the sale of this product, including but
not limited to implied warranties of
merchantability and fitness for a
particular purpose, are limited to the
above. The manufacturer shall not be
liable for loss of use of the instrument
or other incidental or consequential
damages, expenses, or economic loss,
or for any claim or claims for such
damage, expense or economic loss.
Some states or countries laws vary, so
the above limitations or exclusions may
not apply to you.
99 Washington Street
Melrose, MA 02176
800.517.8431
TestEquipmentDepot.com
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