Uniks M37 Bedienungsanleitung
1
1. Introduction ..................................................................... 3
2. Safety................................................................................. 3
2.2. Input Limits................................................................. 5
1.1. International Safety Symbols ................................. 5
1.2. Safety Category Ratings.......................................... 6
2. Description....................................................................... 8
2.1. Meter Description ...................................................... 8
2.2. Symbols Used on LCD Display.............................. 9
3. Button Function............................................................ 10
3.1. MODE and VFD Button........................................... 10
3.2. RANGE Button.......................................................... 10
3.3. Hz/% Button .............................................................. 11
3.4. HOLD/ Flashlight Button........................................ 11
3.5. Auto Power Off......................................................... 11
3.6. Low Battery Indication ........................................... 11
4. Operating Instruction .................................................. 12
4.1. AC/DC Voltage (Frequency, Duty Cycle,VFD)
Measurements ........................................................................ 12
2
4.2. MV Voltage(Frequency, Duty Cycle)
Measurements ........................................................................ 14
4.3. Frequency/Duty Cycle Measurements
(Electronic) .............................................................................. 15
4.4. AC(Frequency, Duty Cycle) Current
Measurements ........................................................................ 16
4.5. DC Current Measurements.................................... 18
4.6. Resistance Measurements.................................... 19
4.7. Diode Test ................................................................. 21
4.8. Continuity Test......................................................... 22
4.9. Capacitance Measurements.................................. 23
4.10. Temperature Measurements............................ 25
4.11. Lo Z AC/DC Voltage Measurements............... 26
5. Maintenance and Cleaning......................................... 28
6. Battery Replacement................................................... 29
7. Fuse Replacement........................................................ 31
8. Specifications................................................................ 32
8.1. Specifications........................................................... 32
8.2. General Specifications........................................... 34
3
Introduction
The meter measures AC/DC Voltage, AC/DC Current ,
Resistance,Diode Test, Continuity , Capacitance,
Frequency,Duty Cycle and Temperature .True RMS readings
provide accurate AC measurements and a Lo Z setting
eliminates errors caused by “ghost” voltages. It features a
waterproof ，rugged design for heavy duty use.and it also
offers the added convenience of a built-in LED
flashlight .Proper use and care of this meter will provide many
years of reliable service.
1. Safety
1.1. Warnings
•Read, understand and follow Safety Rules and
Operating Instructions in this manual before using this
meter.
•The meter’s safety features may not protect the user if
not used in accordance with the manufacturer’s
instructions.
•Keep fingers away from the metal probe tips when
taking measurements.
4
•Before changing functions using the selector switch,
always disconnect the test leads from the circuit under
test.
•Comply with all applicable safety codes. Use approved
personal protective equipment when working near live
electrical circuits - particularly with regard to arc-flash
potential.
•Use caution on live circuits. Voltages above 30 V AC
rms, 42 V ac peak, or 60 V dc pose a shock hazard.
•Do not use if the meter or test leads appear damaged.
•Verify operation before using meter by measuring a
known live voltage.
•Do not use the meter in wet or damp environments or
during electrical storms.
•Do not use the meter or near explosive vapors, dust or
gasses.
•Do not use the meter if it operates incorrectly.
Protection may be compromised.
•Do not operate meter while Low Battery warning is on.
Replace batteries immediately.
•Do not apply voltage or current that exceeds the
meter’s maximum rated input limits.
5
1.2. Input Limits
Function
Maximum Input
Voltage AC or DC
600V AC /DC
Lo Z
600V AC/DC
Frequency,Resistance,Capa
citance,Continuity, Diode
Test,Temperature
600V AC/DC
10A Current AC or DC
10A/600V fast acting
Fuse
1.1. International Safety Symbols
This symbol adjacent to another symbol, terminal or
operating device indicates that the operator must
refer to an explanation in the Operating
Instructions to avoid personal injury or damage to
the meter.
This symbol adjacent to one or more terminals
identifies them as being associated with ranges
that may, in normal use, be subjected to
particularly hazardous voltages. For maximum
safety, the meter and its test leads should not be
handled when these terminals are energized.
Double insulation
Indicates the terminal(s) so marked must not be
connected to a circuit where the voltage with
respect to earth ground exceeds the maximum
safety rating of the meter.
MAX
600V
6
This WARNING symbol indicates a
potentially hazardous situation, which if
not avoided, could result in death or
serious injury.
This CAUTION symbol indicates a
potentially hazardous situation, which if
not avoided, may result damage to the
product.
1.2. Safety Category Ratings
Category
Rating
Brief
Description
Typical Applications
CAT II
Single phase
receptacles and
connected
loads
•Household
appliances, power
tools
•Outlets more than
30ft (10m) from a
Cat III source
•Outlets more than
60ft (20m) from a
Cat IV source
CAT III
Three phase
circuits and
single phase
lighting circuits
in commercial
buildings
•Equipment in fixed
installations such
as 3-phase motors,
switch gear and
distribution panels
WARNING
CAUTION
7
•Lighting circuits in
commercial
buildings
•Feeder lines in
industrial plants
•Any device or
branch circuit that
is close to a Cat III
source
The measurement category (CAT) rating and voltage
rating is determined by a combination of the meter, test
probes and any accessories connected to the meter and
test probes. The combination rating is the LOWEST of any
individual component.
WARNING: Operation is limited to CAT II
applications when the insulated tips are removed
from one or both test probes. Refer to Input Limits
section in this manual for maximum voltage ratings.
8
2. Description
2.1. Meter Description
1. LCD display
2. RANGE button
3. MODE and VFD button
4. Rotary function switch
5. 10A input jack
6. COM input jack
7. Positive input jack
8.HOLD and Flashlight
button
9.Hz% button
10.Flashlight
9
2.2. Symbols Used on LCD Display
V
Volt
k
kilo (103)
A
Ampere
OL
Overload
F
Farad
(Capacitance)
Low battery
Alternating
current
AUTO
Auto ranging
Direct current
HOLD
Display Hold
-
Minus Sign
Hz
Hertz (frequency)
Ω
Ohm
%
Duty Cycle
continuity
°C
Degrees Celsius
Diode Test
°F
Degrees
Fahrenheit
n
nano (10-9)
Auto Power OFF
µ
micro (10-6)
VFD
Filter
m
milli (10-3)
Loz
Low impedance
10
3. Button Function
3.1. MODE and VFD Button
Press the MODE key to select AC/DC Voltage ,AC/DC
Current,Ohms, Diode Test, Continuity or Capacitance,
Temperature.
When the AC voltages,press the MODE key for >2
second to turn on or off the VFD function .
3.2. RANGE Button
When the meter is first turned on, it automatically goes
into Auto Ranging. This automatically selects the best range
for the measurements being made and is generally the best
mode for most measurements. For measurement situations
requiring that a range be manually selected, perform the
following:
1. Press the RANGE button. The “AUTO” display indicator
will turn off.
2. Press the RANGE button to step through the available
ranges until you select the range you want.
3. Press and hold the RANGE button for 2 seconds to exit the
Manual Ranging mode and return to Auto Ranging.
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