RGK DT-916 User manual
OPERATING INSTRUCTION
AUTORANGING MULTIMETER
1
SAFETY INFORMATION
The following safety information must be observed to insure
maximum personal safety during the operation at this meter:
Do not use the meter if the meter or test leads look
damaged, or if you suspect that the meter is not
operating properly.
Never ground yourself when taking electrical
measurements. Do not touch exposed metal pipes,
outlets, fixtures, etc., which might be at ground potential.
Keep your body isolated from ground by using dry
clothing, rubber shoes, rubber mats, or any approved
insulating material.
Turn off power to the circuit under test before cutting,
unsoldering, or breaking the circuit. Small amounts of
current can be dangerous.
Use caution when working above 60V dc or 30V ac rms.
such voltages pose a shock hazard.
When using the probes, keep your fingers behind the
finger guards on the probes.
Measuring voltage which exceeds the limits of the
multimeter may damage the meter and expose the
operator to a shock hazard. Always recognize the meter
voltage limits as stated on the front of the meter.
Never apply voltage or current to the meter that
exceeds the specified maximum:
2
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 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.
This symbol advises the user that the
terminal(s) so marked must not be
connected to a circuit point at which the
voltage with respect to earth ground
exceeds (in this case) 500 VAC or VDC.
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.
WARNING
CAUTION
MAX
3
CONTROLS AND JACKS
1. 4000 count Liquid Crystal Display with symbolic signs
2. Function switch
3. 10A (positive) input jack for 10A DC or AC
measurements
4. COM (negative) input jack
5. Positive input jack
6. MODE pushbutton
7. Range pushbutton
8. Data Hold/Back Light pushbutton
9. Relative pushbutton
10. Battery Cover
4
SYMBOLS AND ANNUNCIATORS
Continuity
BAT Low Battery
Diode
DATA HOLD Data Hold
AUTO AutoRanging
AC Alternating Current or Voltage
DC Direct Current or Voltage
SPECIFICATIONS
The instrument
complies with: EN61010-1.
Insulation: Class2, Double insulation.
Overvoltage category: CATIII 600V.
Display: 4000 counts LCD display with
function indication.
Polarity: Automatic, (-) negative polarity
indication.
Overrange: “OL” mark indication.
Low battery indication: The “BAT” is displayed when the
battery voltage drops below the
operating level.
Measurement rate: 2 times per second, nominal.
Auto power off: Meter automatically shuts down
after approx. 30 minutes of
inactivity.
Operating environment: 0 oCto 50 oC(32
o
Fto 122
o
F) at <
70 % relative humidity.
Storage temperature: -20 oCto 60 oC(-4
o
Fto 140
o
F) at
< 80 % relative humidity.
For inside use,
max height: 2000m
5
Pollution degree: 2
Power: One 9V battery , NEDA 1604, IEC
6F22.
Dimensions: 138 (H) x 68 (W) x 37 (D) mm
Weight: Approx.: 210g.
Accuracy is given at 18 oCto 28 oC(65
o
F to 83
o
F), less than
70 % RH
DC Voltage (Auto-ranging)
Range
Resolution
Accuracy
400.0mV
0.1mV
+0.5% of rdg + 2 dgts
4.000V
1mV
+1.2% of rdg + 2 dgts
40.00V
10mV
400.0V
100mV
600V
1V
+1.5% of rdg + 2 dgts
Input Impedance: 7.8M.
Maximum Input: 600V dc or 600V ac rms.
AC Voltage (Auto-ranging except 400mV)
Range
Resoluti
on
Accuracy
400.0mV
0.1mV
+1.5%of rdg + 70 dgts
4.000V
1mV
+1.2% of rdg + 3 dgts
40.00V
10mV
+1.5% of rdg + 3 dgts
400.0V
100mV
600V
1V
+2.0% of rdg + 4 dgts
Input Impedance: 7.8M.
Frequency Range:50 to 400Hz
Maximum Input: 600V dc or 600V ac rms.
6
DC Current (Auto-ranging for uA and mA)
Range
Resolution
Accuracy
400.0uA
0.1uA
+1.0% of rdg + 3 dgts
4000uA
1uA
+1.5% of rdg + 3 dgts
40.00mA
10uA
400.0mA
100uA
10A
10mA
+2.5% of rdg + 5 dgts
Overload Protection: 0.5A / 250V and 10A / 250V Fuse.
Maximum Input: 400mA dc or 400mA ac rms on uA / mA
ranges, 10A dc or ac rms on 10A range.
AC Current (Auto-ranging for uA and mA)
Range
Resolution
Accuracy
400.0uA
0.1uA
+1.5% of rdg + 5 dgts
4000uA
1uA
+1.8% of rdg + 5 dgts
40.00mA
10uA
400.0mA
100uA
10A
10mA
+3.0% of rdg + 7 dgts
Overload Protection: 0.5A / 250V and 10A / 250V Fuse.
Frequency Range: 50 to 400 Hz
Maximum Input: 400mA dc or 400mA ac rms on uA / mA
ranges, 10A dc or ac rms on 10A range.
Resistance (Auto-ranging)
Range
Resolution
Accuracy
400.0
0.1
+1.2% of rdg + 4 dgts
4.000k
1
+1.0% of rdg + 2 dgts
40.00k
10
+1.2% of rdg + 2 dgts
400.0k
100
4.000M
1k
40.00M
10k
+2.0% of rdg + 3 dgts
Input Protection: 250V dc or 250V ac rms.
7
Capacitance (Auto-ranging)
Range
Resolution
Accuracy
40.00nF
10pF
+5.0% of rdg + 7 dgts
400.0nF
0.1nF
+3.0% of rdg + 5 dgts
4.000uF
1nF
40.00uF
10nF
100.0uF
0.1uF
+5.0% of rdg + 5 dgts
Input Protection: 250V dc or 250V ac rms.
Frequency (Auto-ranging)
Range
Resolution
Accuracy
5.000Hz
0.001Hz
+1.5% of rdg + 5 dgts
50.00Hz
0.01Hz
500.0Hz
0.1Hz
+1.2% of rdg + 3 dgts
5.000kHz
1Hz
50.00kHz
10Hz
500.0kHz
100Hz
5.000MHz
1kHz
+1.5% of rdg + 4 dgts
10MHz
10kHz
Sensitivity: >8V RMS
Overload protection: 250V dc or ac rms.
Duty Cycle
Range
Resolution
Accuracy
0.1%~99.9%
0.1%
+1.2% of rdg + 2 dgts
Pulse width: >100us, <100ms;
Frequency width: 5Hz – 150kHz
Sensitivity: >8V RMS
Overload protection: 250V dc or ac rms.
8
Temperature
Range
Resolution
Accuracy
-20
o
C~+760
o
C1
o
C+3% of rdg
+5
o
C/9
o
F
-4
o
F~+1400
o
F1
o
F
Sensor: Type K Thermocouple
Overload protection: 250V dc or ac rms..
Diode Test
Test current
Resolution
Accuracy
0.3mA
typical
1 mV
+10% of rdg + 5 dgts
Open circuit voltage: 1.5V dc typical
Overload protection: 250V dc or ac rms.
Audible continuity
Audible threshold: Less than 150
Test current: <0.3mA
Overload protection: 250V dc or ac rms.
OPERATION
WARNING: Risk of electrocution. High-voltage circuits,
both AC and DC, are very dangerous and should be
measured with great care.
1. ALWAYS turn the function switch to the OFF position
when the meter is not in use. This meter has Auto OFF
that automatically shuts the meter OFF if 30minutes
elapse between uses.
2. If “OL” appears in the display during a measurement, the
value exceeds the range you have selected. Change to a
higher range.
NOTE: On some low AC and DC voltage ranges, with the
9
test leads not connected to a device, the display may show
a random, changing reading. This is normal and is caused
by the high-input sensitivity. The reading will stabilize and
give a proper measurement when connected to a circuit.
MODE BUTTON
To select Ohm/Diode/Continuity/Cap , DC/AC, Hz/%Duty
RANGE BUTTON
When the meter is first turned on, it automatically goes into
AutoRanging. 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 ManualRanging mode and return to AutoRanging.
DATA HOLD BUTTON
The Data Hold function allows the meter to "freeze" a
measurement for later reference.
1. Press the DATA HOLD button to “freeze” the reading on
the indicator. The indicator “HOLD” will be appear in the
display.
2. Press the DATA HOLD button to return to normal
operation.
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