Neoteck 8233D Pro Bedienungsanleitung
8233D PRO-EN
Table of Contents
1. Introduction ………………………………………………............................ 1
2. Safety note ……………………………………………..…....................... ...2
3. Explanation of Controls and Indicators …………………..................... 3
3-1. Product illustration ………………………………………........................3
3-2. Functional push button ……………………………………......................4
3-3. LCD display ………………………………………………..............................5
4. Specification ……………………………………………….............................5
4-1. General Specification ……………………………………......................... 6
4-2. Electrical Specification ………………………………….......................7- 9
5. Measurement operation …………………………………........................9
5-1 DC voltage & AC voltage measurement ……………….................. 9
5-2. Resistance measurement …………………………….…....................10
5-3. Diode & Continuity check ………………………..…..…...................11
5-4. Frequency Measurement ................................…….……...........11
5-5. DC/AC µA or mA measurement ………………….……...................12
5-6. DC/AC 10A measurement …………………………..….....................12
5-7. Capacitance measurement.............................………...…...............13
6. Maintenance ……………………………………………….............................13
6-1. Replacing the battery …………………………...……….......................13
6-2. Replacing the fuse ……………………………………….........................14
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6-3. Cleaning and Decontamination …………………………....................14
1. Introduction
Neoteck instrument is a handheld and battery operated Digital Multi
Meter(DMM) with multi function. This Meter is designed to meet IEC61010-1 &
CAT II 600V over voltage category and double insulation. The meter with holster
that is giving the main body, though downsized, high resistance against the
shock of a drop.This operating instruction covers information on safety and
caution. Please read relevant information carefully and observe all the
warnings and note strictly.
The DMM as general measurement tool and widely used in the school,
laboratory, factory and other social field.
2. Safety note
Warning
To avoid possible electric shock or personal injury and to avoid possible damage
to the meter or to the equipment under test, adhere to the following rule:
Do not apply more than the rated voltage, of marked on the
meter, between the input terminal and grounding terminal..
Do not apply voltage between COM and OHM terminal, in the
resistance measuring state.
Do not measure current with test lead inserted into voltage or
OHM terminal.
Do not expose the instrument to the direct sun light, extreme
temperature and humidity or dew full.
Inspect the test lead for damaged insulation or exposed metal.
Before measuring current, check the Meter’s fuses and turn off
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power to the circuit before connecting the meter to the circuit.
Disconnect circuit power and discharge all high voltage
capacitors before testing continuity, diode, resistance,
capacitance or current.
Note international Electrical Symbol.
Dangerous
Voltage
Ground
AC Alternating
current
Warning
see explain in manual
DC (Direct
Current)
Double insulation
AC or DC
Fuse
Measurement category(over voltage category):
This instrument is meet the safety condition of CAT II. The equipment is
used for measurement in building facilities. Examples are
measurements on distribution boards, circuit breaker and industrial
equipment located in fixed facilities, as a fixed motor.
3. Explanation of controls and indicators
3-1. Meter illustration
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Fig. 1 Exterior view
1. LCD display
2. “FUNC”Push button
3. “BACK LIGHT”push button and ‘HOLD”push button
4. Rotary Switch (Knob)
5. “V/Ω/HZ/uA/mA”Input terminal
6. “COM”input terminal
7. “10A”input terminal
3-2. Functional push button
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Push button
Function
Func
“FUNC”key is the function select key that acts
with trigger. Use the key as switch of DC/AC
current, Diode.
HOLD
Press “HOLD ”to enter and exit the hold
mode in any mode. That act with trigger.
“HOLD ”This key is used control Backlight.
This key is act with trigger. When press and
hold the key over 2 sec, will enable Backlight.
Press the key again , the backlight will disable.
3-3. Display indicators
Fig. 2 LCD
Indicator
Meaning
DC voltage or current
AC voltage or current
Diode
HOLD
Data hold
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Low battery indicator
MKΩ
ΩKΩMΩis unit of resistance
µmVA
mV ,V is unit of voltage
µA, mA, A is unit of current
－
Indicate negative reading
4．Specification
4-1. General Specification
●Auto ranging DMM , that full scale is 2000 counts
●Display : 3 1/2 digit LCD display..
●Over load protection: Used the PTC protection circuit for Resistance,
frequency measurement for.
●DATA HOLD function
●Back Light
●Low battery indication
●Auto Power- OFF. : If the meter is idle for 15 minutes (idle time), the meter
automatically turns the power off. After auto power-off, pushing any of the
push button or changing the rotary switch can turn on the meter again.
NOTE: （1）After auto power off in the AC mode, if changing the rotary switch
to the DC mode, the Re-power on if disabled.
(2) The meter enters sleep mode after quto power off. If press
“HOLD”push button to re-power on in the sleep mode, the
auto power off function is disabled.
●Operating temperature & Humidity:
0 ~ 40℃(32 ~104 ℉) & < 80% RH
●Storage temperature & Humidity:
-10 ~ 50℃(14 ~ 122 ℉) & <70%RH
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●Power Supply: 9V Battery(6F22 or 1604A Type) x 1pc.
●Safety Class: IEC 61010-1, CAT II 600V.
●Dimension(L x W x H) & Weight:138×68×30mm, Approx. 175g
4.1.1 Accessary:
1. User’s Manual ---------------------------- 1pc
2. Test lead ---------------------------- 1set
3. 9V Battery --------------------------- 1pc
4-2. Electrical Specification ( at 23±5℃; <75% RH)
4.2.1 DC Voltage
Range
Resolution
Accuracy
200mV
0.1mV
±（0.5% rdg + 2dgt）
2V
0.001V
20V
0.01V
200V
0.1V
600V
1V
±（0.8% rdg + 2dgt）
4.2.2 AC Voltage
Range
Resolution
Accuracy
2V (40Hz-400Hz)
0.001V
±（0.9% rdg + 3dgt）
20V (40Hz-400Hz)
0.01V
200V (40Hz-400Hz)
0.1V
600V (40Hz-200Hz)
1V
±（1.2% ）rdg + 3dgt
4.2.3 Resistance
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Range
Resolution
Accuracy
200Ω
0.1Ω
±（0.8% rdg + 2dgt）
2kΩ
0.001kΩ
20kΩ
0.01kΩ
200kΩ
0.1kΩ
2MΩ
0.001MΩ
±（1.0% rdg + 2dgt）
20MΩ
0.01MΩ
4.2.4 Diode check
Range
Resolution
Function
0.001V
Will display the forward drop voltage.
* Operating current：about 1mA
* Open circuit voltage：about 1.48V
4.2.5 Continuity
Range
Function
If measured resistance less than 100Ω, will buzzer is
sounded.
* Open voltage: about 0.5V
4.2.6 DC Current
Range
Resolution
Accuracy
200µA
0.1μA
±（1.5% rdg + 3dgt）
2000µA
1µA
20mA
0.01mA
200mA
0.1mA
10A
0.01A
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* Over Load protection：use the fuse(F250mA/250V) at µA /mA range,
and use the fuse(F10A/250V) at 10A range.
* Max input current:：250mA at ‘mA’input terminal and 10A at ‘10A’input
terminal.
4.2.7 capacitance
Range
Resolution
Accuracy
0-100μF
1μF
±（5.0% rdg + 3dgt）
100-500μF
1μF
±（5.0% rdg + 5dgt）
500-1000μF
1μF
±（5.0% rdg + 20dgt）
1000-2000μF
1μF
±（5.0% rdg + 40dgt）
* Over Load protection：use the fuse(F250mA/250V)
4.2.8 AC Current [40Hz-400Hz]
Range
Resolution
Accuracy
200µA
0.1µA
（1.5% rdg + 4dgt）
2000µA
1µA
20mA
0.01mA
200mA
0.1mA
10A
0.01A
* Over Load protection：use the fuse(F250mA/250V) at µA /mA range,
and use the fuse(F10A/250V) at 10A range.
* Max input current:：250mA at ‘mA’input terminal
and 10A at ‘10A’input terminal...
* Frequency response：40 ～400Hz
4.2.8 Frequency
Range
Resolution
Accuracy
200kHz
0.1KHz
±（1.5%rdg+5dgt）
* Sensitivity：0.8V
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5. Measurement operation
5-1 DC & AC voltage measurement
Warning:
To avoid harms to you or damage to the meter from electric shock. Please
do not attempt to measure voltage higher than DC/AC 1000V although
readings may be obtained.
The DC voltage range are 200.0mV, 2.000V, 20.00V , 200.0V and
600V and then. The AC voltage ranges are 2.000V, 20.00V, 200.0V and
600V.
To measure DC or AC voltage:
①Insert the red test lead into the “VΩ”input terminal and the black test
lead into the COM terminal.
②Set the rotary switch to DC or AC range.
③Connect the test lead across with the object under testing.
The measured value will be show on the LCD display.
Note:
When DC or AC voltage measurement has been completed, disconnect the
connection between the testing lead and the circuit under testing.
5-2. Resistance measurement
The resistance range are: 200.0Ω, 2.000KΩ,20.00KΩ, 200.0KΩ, 2.000M
Ω.20.00MΩ.
To measure resistance, connect the meter as follows:
①Insert the red test lead into the ”VΩ”terminal and the black test lead
into the COM terminal.
②Set the rotary switch to proper resistance range..
③Connect the test lead across with the object under testing.
The measured value will be show on the LCD display.
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