Pro's Kit MT-1708 User manual

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MT-1708
3-5/6 Smart Digital Multimeter
User’s Manual
1st Edition, 2019
©2019Copyright by Prokit’s Industries Co., Ltd.

1.General Information
This digital multi-meter is designed and manufactured in compliance with
IEC-61010 safety requirements on electronic measuring instruments and
hand-held digital multi-meters. It is compliant with IEC-61010 requirements
pertaining to 600V CAT.Ⅲand requirements on pollution degree 2. Please
read carefully this Operation Manual and pay attention to safety guidelines
before operating this meter.
1.1 Safety information
1.1.1 Safety instructions
* Before operating this meter, the operator must observe all standard safety
procedures in the two respects below:
A. Safety procedures against electric shock
B. Safety procedures against unintended use
*To ensure your personal safety, please use the test lead that accompanies
the meter. Before operating this meter, ensure that the test lead is flawless.
1.1.2 Safety considerations
* When the meter is used in the vicinity of the equipment that produces
strong electromagnetic interferences, the reading on the meter will grow
unstable and even produce serious errors.
*Don't operate the meter or pen-shaped meter whose appearance is
damaged.
*The safety function of the meter will become null if the meter is not
properly operated.
*The meter must be operated with great care when working in the vicinity of
an exposed conductor or bus line.
*The meter is prohibited from being used in the vicinity of any explosive gas,
vapor or dust.
*The measurement must be made with correct input terminals and functions
and within the allowable measuring range.
*To prevent the meter from being damaged, the value to be input shall not
exceed the extremes allowed by each measuring range.
* When the meter has already been connected to the line being measured,
the operator is prohibited from touching the input terminal that is not in
service.
*When the voltage measured exceeds 60Vdc or 30Vac (valid value), the
operator shall be careful enough to avoid electric shock.
* When making measurement with a test lead, place your fingers behind its
protective ring.
*When switching to another measuring range, be sure that test lead has
already been taken off the measured circuit.

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*For all DC functions, to prevent potential electric shock as a result of
incorrect reading, please first useAC functions to check the absence of
any AV voltage. Then, select DC voltage measuring range equivalent to or
greater than that for AC voltage.
*Before the tests on electric resistance, diode, capacitor or continuity, the
operator must cut off the power supply to the circuit to be measured, and
discharge all high-voltage capacitors within the circuit to be measured.
* The electric resistance measurement or continuity test cannot be carried
out in any live electrical circuit.
* Before the current measurement, the operator must first examine the
protective tube of the meter. Before connecting the meter to the circuit to
be measured, the operator must first power off the aforesaid circuit.
* Before repairing TV sets or measuring power switching circuit, the operator
must be careful enough to prevent high amplitude voltage impulse from
damaging the meter.
*This meter use 3x 1.5V AAA batteries that must be correctly installed into
the battery compartment.
*When appears, the batteries must be replaced immediately. The low
level of a battery will result in incorrect reading on the meter, which is likely
to bring electric shock or personal injury to the operator.
*In measurement, category III voltage does not exceed 600V respectively.
*Themeter shall notbein service if its case(orpart of itscase)isdismantled.
1.1.3 Safety symbol:
The safety symbols that appear on the meter's body and in this Operation
Manual:
Warning, an important safety symbol. The operator must
consult this Operation Manual before using the meter.
Unintended use may lead to the damage to the device or
its components.
AC (alternating current)
DC (direct current)
AC/DC
Ground
Double insulation protection
Fuse
Compliant with European Union Directive
High voltage warning

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Battery Under Voltage indicator/ Low Battery
CAT.III 600V
Over-voltage protection
1.1.4 Maintenance practices for safety
* The operator must first pull out the test lead when the meter's case is
opened or the battery cover is dismantled.
* The designated replacement parts must be used at the moment of
maintenance.
* The operator must cut off all relevant power supplies before opening the
meter. At the same time, the operator must avoid damage to the meter's
elements by ensure that he himself doesn't carry any static.
* The meter can only be calibrated, repaired and maintained by
professionals.
* When the meter's case is opened, the operator must understand the fact
that the presence of some capacitance may promise the dangerous
voltages even if the power supply to the meter is cut off.
* The operator should stop using and maintain the meter immediately if any
abnormality has been observed on the meter. The operator must see to it
that the meter cannot be in service unless it is proved conforming.
* When the meter is left idle for a long period, the operator shall remove the
battery and place it in a place free from high temperature and humidity.
1.2 Input protection measures
* The meter can sustain the maximum input voltage of DC 600V or AC at the
moment of voltage measurement.
* The meter can sustain the maximum AC voltage of 600V or equivalent
voltage (valid value) when the tests on frequency, electric resistance,
continuity and diode are carried out.
* The protective tube (F630mA/250V) is used for protection purpose when
current measurements are carried out.
2 A schematic Diagram for the Meter
This meter is a hand-held digital multi-meter with the function of displaying
True RMS. it is a large-screen LCD unit with backlight and illumination light
functions so that the user can easily recognize reading. It is equipped with
the function of overload protection and the indicator of battery under voltage.
Either for professionals, factories, schools, enthusiasts or households, it is
an ideal multi-functional meter.

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2.1 A Schematic diagram for the meter
Physical appearance
①.NCV inductive probe ②. LCD display screen ③.Functional key
④.K-type thermocouple temperature probe socket ⑤Input socket.
⑥.LED indicator ⑦hFE Transistor testing socket ⑧Toggle switch
2.2 Accessories
Operation Manual
X 1
Test lead
X 1 pair
K-Type thermocouple
X 1
Fuse
X 2
3 Operational Guidelines
This instrument is a kind of intelligent digital multi-meter, so the operation is
very simple, and it is not required to carry out function selection during
measurement; the instrument will recognize measured signals automatically,
then measure and display measurement results.
③
①
②
④
⑤
⑥
⑦
⑧

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Not:
The instrument could not carry out measurement on two or more
functions.
Instrument's automatic detection sequence on measurement
instrument:
AC voltage → DC voltage → AC current → DC current →
Temperature measurement → Transistor measurement → Capacitor
measurement → Resistance & On-off
3.1 Startup/ Shutdown
Startup: When the instrument is shut down, press the key and hold,
till the buzzer sends a "Di" sound, then release.
Shutdown: When the instrument is started, press the key and hold, till
the buzzer sends a "Di" sound, then release.
3.2 Automatic shutdown function
If no pressing operation within 10 minutes, while no signal is input, the
instrument will shut down automatically.
3.3 Backlight and lighting function
Press the key for more than 2 seconds to turn on the backlight and the
light; then press this key for more than 2 seconds to turn off the backlight
and the light, or turn off automatically within about 10 seconds after startup.
3.4 Data hold function
Press the key to start data hold, the character will show on the
display; then press the key to close data hold.
3.5 AC&DC voltage/Frequency/Resistance measurement /
Continuity test
Press the key to start the power of the instrument.
Insert the red test lead into the V socket, and the black test lead into the
COM socket.
Parallel connect the test lead to the circuit, power supply or resistance
to be measured. The instrument will judge AC voltage, DC voltage and
resistance automatically.
During measuring the resistance, when the resistance is less than about
30Ω,the built-in buzzer will sound, while the green LED indicator will
light up; when the resistance is more than about 30Ω and less than
about 50Ω,the red LED indicator will light up, and the buzzer will not
sound.
Read measurement results from the display screen. When measuring
DC voltage, the voltage polarity of the testing points of the red test lead
will show synchronously on the display.
When measuring AC voltage, press the key to display frequency,
and then press the key to shift back to ac voltage display.

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When the measurement is completed, press the power key , to shut
down the instrument power supply.
Warning: In order to avoid safety accidents such as
potential electric shock or personal injury etc., please
comply with safety work norms:
3.6 AC/DC Current/ Frequency / Capacitor measurement
Press the key to start the power of the instrument.
Insert the red test lead into the mAsocket, and the black test lead into
the COM socket.
During measuring the capacitor, parallel connect the test lead to both
ends of the capacitor to be measured; during measuring the current,
connect the test lead in series to the circuit to be measured. The
instrument will recognize and measure automatically.
Read measurement results from the display screen. When measuring
DC voltage, the current polarity of the testing ends of the red test lead
will show synchronously on the display.
When measuring AC current, press the key to display frequency,
and then press the key to shift back to AC current display.
When the measurement is completed, press the power key to shut
down the instrument power supply.
Max. current measurement of the instrument is 600mA, and
the min. current measurement is 5mA.
During measuring the maximum capacitor, it requires about
10 seconds to display the measurement result.
Warning: In order to avoid safety accidents such as
potential electric shock or personal injury etc., please
comply with safety work norms:
3.7 Temperature Measurement
Press the key to start the power of the instrument.
Take off the test lead and push down the Toggle switch on the
instrument panel lightly, till the Toggle switch is locked.
Insert the temperature probe of the K-type thermocouple into the socket
of the temperature probe of the temperature probe of the K-type
thermocouple.
Read measurement results from the display screen.
Press the key to shift between degrees Celsius and Fahrenheit.
When the measurement is completed, press the power key to shut
down the instrument power supply.

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Warning: In order to avoid safety accidents such as
potential electric shock or personal injury etc., please
comply with safety work norms:
3.8 Transistor Measurement
Press the key ,to start the power of the instrument.
Take off the test lead and push down the Toggle switch on the
instrument panel lightly, till the Toggle switch is locked.
Insert the transistor into the transistor testing socket.
Read measurement results from the display screen.
When the measurement is completed, press the power key to
shut down the instrument power supply.
Warning: In order to avoid safety accidents such as
potential electric shock or personal injury etc., please
comply with safety work norms:
3.9 NCV Detection
Press the key ,to start the power of the instrument.
Press the key and hold, the instrument will display "NCV".
Then bring the instrument's NCV inductive probe close to the point
being detected gradually.
When the AC voltage sensed by the instrument is larger than about 12V,
2 green LED indicators will light up, meanwhile, the buzzer will send a
slow "Di, Di" sound.
When the AC voltage sensed by the instrument is larger than about 60V,
4 green LED indicators will light up, meanwhile, the buzzer will send a
"Di, Di" sound at moderate speed.
It is not allowed to carry out measurement on electrified objects,
or input measurement voltage of the socket from this.
Pay attention to the polarity of the thermocouple, and do not
reverse.
It is not allowed to carry out measurement voltage of the
socket from this.
Pay attention to the transistor type and pole B,C and E shall be
inserted into corresponding socket, do not make a mistake.

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When the AC voltage sensed by the instrument is larger than about 90V,
4 green LED indicators and 2 red LED indicators will light up, meanwhile,
the buzzer will send a "Di, Di" sound quickly.
When the measurement is completed, press the power key to
shut down the instrument power supply.
Warning: In order to avoid safety accidents such as
potential electric shock or personal injury etc., please
comply with safety work norms:
3.10 Live Wire Detection
Press the key ,to start the power of the instrument.
Insert the red test lead into the V socket.
Press the key and hold, the instrument will display "NCV".
Then contact the other end of the red test lead with the point being
detected.
When the AC voltage sensed by the instrument is larger than about
110V, 4 green LED indicators and 2 red LED indicators will light up, the
display will show "LIVE", meanwhile, the buzzer will send a "Di, Di…"
sound quickly.
When the measurement is completed, release the key; then press
the power key , to shut down the instrument power supply.
Warning: In order to avoid safety accidents such as
potential electric shock or personal injury etc., please
comply with safety work norms:
4 General Technical Specifications
4.1 Overall specifications
Use environmental conditions:
EN61010-1, EN61010-2-033, EN61326-1, CATIII 600V,pollution level 2.
Altitude<2000 m
Working temperature and humidity:0~40℃(<80% RH, <10℃is not
considered)
Storage temperature and humidity:-10~60 (<70% RH, with the battery
taken off)
Temperature coefficient: 0.1x Accuracy/
Allowable max. voltage between measurement end and the ground:
DC600V or AC Valid value.
Outrange indication: Display "OL".

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Battery low voltage indication: When the battery voltage is lower than
normal working voltage, " " will show on the display screen.
Input polarity indication: It will display "-" automatically.
Power supply: 3x1.5V AAA battery.
Dimension:169mm x 83mm x 53mm
4.2 Accuracy specification
The accuracy shall be applicable within one year after calibration.
Reference conditions: Ambient temperature 18 to 28 ,and relative
humidity no more than 80%.
4.2.1 DC voltage
Measuring range
Resolution
Accuracy
6V
0.001V
±(0.8% Reading +3 digits)
60V
0.01V
600V
0.1V
Input impedance:10M
Min. measurement voltage: 0.2V DC
Max. measurement voltage: 600V DC or AC valid value.
4.2.2 AC voltage
Measuring range
Resolution
Accuracy
6V
0.001V
±（1.2% readings +3 digits）
60V
0.01V
600V
0.1V
Input impedance:10M
Min. measurement voltage: 0.5V AC voltage.
Max. measurement voltage: 600V DC orAC valid value.
Frequency response: 45Hz-65Hz True valid value response.
4.2.3 DC current
Measuring range
Resolution
Accuracy
600mA
0.1mA
±(1% Reading + 3 digits)
Min. measurement current: 5mA
Max. measurement current: 600mA DC or AC valid value.
Input protection: F630mA/250V fuse.
4.2.4 AC current
Measuring range
Resolution
Accuracy
600mA
0.1mA
±(1.5% Reading + 3 digits)
Min. measurement current: 5mA
Max. measurement current: 600mA DC or AC valid value.
Input protection: F630mA/250V fuse.
Frequency range:45Hz~65Hz, true valid value response.

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4.2.5 Frequency
Measuring range
Resolution
Accuracy
30Hz~1000 Hz
0. 1Hz
± (0.5% Reading + 2digits)
Current channel: Sensitivity 5mA, measurement range 30~1000Hz
Voltage channel: Sensitivity 0.5V measurement range 30~1000Hz
Input protection: Max.600V DC or AC valid value.
4.2.6 Temperature
Measuring range
Resolution
Accuracy
-20 ~1300
1
± (1% Reading + 3digits)
-4 ~2372
1
± (0.5% Reading + 2digits)
4.2.7 Transistor
Range
Description
Test Conditions
hFE
Display approximate
value of hFE,(0-1000)
Basic current is about 10μA VCE is
about 2.5V
4.2.8 Electric resistance
Measuring range
Resolution
Accuracy
6k
1
±(1% Reading +3 digits)
60k
10
600k
100
6M
1k
±(1.2% Reading +5 digits)
10M
10k
Input protection: Max.600V DC or AC valid value.
4.2.9 Capacitor
Measuring range
Resolution
Accuracy
60nF
0.01nF
± (4.0% Reading +5 digits)
600nF
0.1nF
6F
1nF
60F
10nF
600F
100nF
6mF
1uF
Input protection: F630mA/250V fuse or 600V/PTC .
Min. measurement capacitor: 1nF
4.2.10 Continuity test
Function
Description
Testing Environment
When the built-in beeper
sounds, the resistance being
tested is less than about 30.
Testcurrent::About0.6mA;
Open circuitvoltage:About
1.0V.
Input protection: Max.600V DC or AC valid value.

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Instruction: When the resistance is less than about 30, the built-in buzzer
will sound, while the green LED indicator will light up; when the resistance is
more than about 30and less than about 50,the red LED indicator will
light up, and the buzzer will not sound.
5 Instrument Maintenance
This section provides the basic information on maintenance, including the
descriptions about replacement of protective tubes and batteries. Do not
attempt the meter maintenance unless you are experienced in maintenance
and have read the information on calibration, performance test and
maintenance.
5.1 General maintenance
Use wet cloth or a few detergents to clean the instrument shell, and please
do not use any grinding additive or chemical solvent.
5.2 Battery replacement(Power source : 1.5V AAA battery
x3pcs)
To avoid any electric shock or personal injury as a result of
incorrect reading, replace batteries once the symbol “ ” appear on
the display unit.
In order to guarantee safe operation and maintenance of this
product, when the instrument is not used for a long term, please
take out the battery, to avoid any damage caused by battery leakage
to the product.
In order to avoid electric shock or personal injury, before opening
the battery cover or replacing the battery, please shut down and
check to guarantee that the test lead has disconnected from the
measurement circuit.
Please replace the battery according to the following steps:
Shut down the instrument power supply.
Disconnect the test lead from the circuit being measured, and remove it
from the instrument.
Loosen the bolts fixing the battery cover with a PH1 screwdriver, and
take off the battery cover.
Take off the old battery, and replace with a new one.
Install the battery cover, and tighten the bolts.
To avoid any electric shock or damage to the meter:
When the battery cover or back cover is opened, please do not
carry out any measurement using this instrument.
Please remove the test lead before cleaning the instrument.
It is required to use specified parts for replacement. Please ask
approved technicians to repair this instrument.

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5.3 Fuse Replacement
Please replace the fuse according to the following steps:
Shut down the instrument power supply.
Disconnect the test lead from the circuit being measured, and remove it
from the instrument.
Loosen the bolts fixing the back cover with a PH1 screwdriver, and take
off the back cover.
Take off the old protective tube, and replace with a new one of the same
type or specification (F630mA/250V).
Install the back cover, and tighten the bolts.
Only fuse with specified ampere, fuse rated value, voltage
rated value and fusing speed could be used.
To avoid any electric shock or personal injury, before opening the
back cover or replacing the Fuse, please shut down and check to
guarantee that the test lead has disconnected from the
measurement circuit.

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MT-1708 3-5/6 智能型數字電表說明書
1.概述
Pro’sKit MT-1708 3-5/6智能型數字多用表是根據國際電工安全標準 IEC－61010 對
電子測量儀器和掌上型數位多用表的安全要求而設計生產的。
符合 IEC61010 的600V CAT. Ⅲ和污染程度 2要求。使用本儀錶前，請仔細閱讀使用說
明書並請注意有關安全工作準則。
1.1 安全資訊
安全說明
使用本儀錶時，使用者必須遵守關於以下兩方面的全部標準安全規範：
A 防止電擊方面的安全規範
B 防止錯誤使用儀表方面的安全規範
C 為保證人身安全，請使用隨表提供的測試表棒。在使用前，檢查並確保表棒是完好的。
安全注意事項
在電磁干擾比較大的設備附近使用儀錶，儀錶的讀數會不穩定，甚至可能會
產生較大的誤差。
當儀錶或表棒外觀破損時，請不要使用。
若不正確使用儀錶，儀錶提供的安全功能可能會失效。
在裸露的導體或總線周圍工作時，必須極其小心。
禁止在爆炸性的氣體、蒸汽或粉塵附近使用本儀錶。
必須使用正確的輸入端、功能、量程來進行測量。
輸入值切勿超過每個量程所規定的輸入極限值，以防損壞儀錶。
當儀錶已連接到被測線路時，切勿觸摸沒有使用的輸入端。
當被測電壓超過 60V DC 或30V AC 有效值時，小心操作防止電擊。
使用測試表棒測量時，應將手指放在測試表棒的護環後面。
在轉換量程之前，必須保證測試表棒已經離開被測電路。
對於所有的直流功能，為避免由於可能的不正確讀數而導致電擊的危險，請
先使用交流功能來確認是否有任何交流電壓的存在。然後，選擇一個等於或
大於交流電壓的直流電壓量程。
在進行電阻、二極體、電容測量或通斷測試前，必須先切斷被測電路電源，
並將被測電路裡所有的高壓電容器放電。
不可在帶電的電路上測量電阻或進行通斷測試。.

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在進行電流測量前，應先檢查儀錶的保險管。在儀錶連接到被測電路之前，
應先將被測電路的電源關閉。
在進行電視機維修或測量電源轉換電路時，必須小心被測電路中的高幅電壓
脈衝以免損壞儀錶。
本儀錶使用 3 節1.5V AAA 電池供電，電池必須正確安裝在儀錶的電池盒
內。
當電池欠壓符號 出現時，應立即更換電池。電池電量不足會使儀錶讀
數錯誤，從而可能導致電擊或人身傷害。
在進行測量類別.Ⅲ電壓測量時不可超過 600V。
儀錶的外殼（或外殼的一部分）被拆下時，切勿使用儀錶。
安全符號:
儀錶表體及使用說明書中使用的符號：
警告，重要的安全標誌，使用前應參閱使用說明書。錯誤使用可
能致設備或它的部件的損壞。
AC（交流）
DC（直流）
交流電或直流電
接地
雙重絕緣保護
保險絲
符合歐盟（European Union）指令
高壓警告
CAT. III III 類600V 過電壓保護
安全的保養習慣
打開儀錶外殼或拆下電池蓋時，應先拔出測試筆。
維修儀錶時，必須使用指定的替換零部件。
在打開儀錶前，必須斷開一切有關的電源，同時也必須確保您沒帶有靜電以
免損壞儀錶的元器件。
儀錶的校準以及維修操作必須由專業人員操作。
打開儀錶外殼時，必須注意儀錶內的電容即使在儀錶關機狀態可能存在危險
電壓。

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如果觀察到儀錶有任何異常, 該儀錶應立即停止使用並送維修。並確保在檢
查合格前不能被使用。
當長時間不用時，請將電池取下，並避免存放于高溫高濕的地方。
1.2 輸入保護措施
在進行電壓測量時，可承受最高輸入電壓是直流或交流電壓 600V。
在進行電電容、電流 mA 測量時，通過保險管（F630mA/250V）進行保護。
2儀錶示意說明
本儀錶是一款具有真有效值的掌上型測量數位萬用表。具有大螢幕液晶數字顯示屏，並有
背光源，使用者容易讀數。具有超載保護和電池欠壓指示。無論專業人員、工廠、學校、
愛好者或家庭使用，均為一台理想的多功能儀錶。
2.1 儀表示意圖
①非接觸電壓感應探頭 ②液晶顯示器 ③按鍵 ④K 型熱電偶插座
⑤輸入插座 ⑥LED 指示燈 ⑦hFE 電晶體測試插座 ⑧撥動開關
2.2 配件說明
說明書
X 1 本
測試表棒
X 1 對
K-Type 溫度探棒
X 1個
保險絲
X 2 個

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3操作指南
本儀錶是一款智慧型數字多用表，所以使用操作非常簡單，測量時不需要進行功能選擇，
儀錶會自動識別測量信號，然後測量並顯示測量結果。
注意：
儀錶不可以同時進行兩種或多種功能測量。
儀錶對測量儀錶自動檢測的順序：
交流電壓→直流電壓→交流電流→直流電流→溫度測量→電晶體測量→電容測量→
電阻及通斷
開機／關機
開機：儀錶在關機狀態下，按 鍵並保持，直到蜂鳴器“嘀”一聲，再鬆開。
關機：儀錶在開機狀態下，按 鍵並保持，直到蜂鳴器“嘀”一聲，再鬆開。
自動關機功能
開機約 10 分鐘後若無任何操作，儀錶會發出“滴-滴… … ”聲音提示，然後自動關機。
背光和照明功能
按 鍵約 2秒開啟背光和照明燈；再按該鍵約 2秒關閉背光和照明燈；或者開啟約 15
秒後自動關閉。
資料保持功能
按 鍵開啟資料保持，顯示屏顯示 字符；再按 鍵關閉資料保持。
交直流電壓/頻率/電阻測量/通斷測試
按下電源鍵 ，儀錶開機。
將紅表筆插在 V插孔，黑表筆插在 COM 插孔。
將表筆並聯到待測電路、電源或電阻上。儀錶自動判別交流電壓、直流電壓、電阻。
測量電阻時，當電阻小於約 30時，儀錶蜂鳴器響，同時點亮綠色 LED 指示燈；電
阻大於約 30而且小於約 50時點亮紅色 LED 指示燈，蜂鳴器不響。
從顯示屏讀取測量結果。測量直流電壓時顯示屏同時顯示紅色表筆測試點的電壓極性
測量交流電壓時，按 鍵可顯示頻率，再按 鍵切換回交流電壓顯示。
測量結束，按下電源鍵 ，關閉儀錶電源。
：為了避免可能的觸電或人身傷害等安全事故，請切實遵守安全工作規範
交直流電流/频率/電容測量
按下電源鍵 ，打開儀錶的電源。
將紅表棒插在 mA 插孔，黑表棒插在 COM 插孔。

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測量電容時將表棒並聯到待測電容兩端；測量電流時串聯到待測電路。儀錶會自動識
別並測量信號。
從顯示屏讀取測量結果。測量直流電流時顯示屏同時顯示紅色表棒測試端的電流極性
測量交流電流時，按 鍵可顯示頻率，再 率鍵切換回交流電流顯示。
測量結束，按下電源鍵 ，關閉儀錶電源。
注意：
儀錶最大測量電流 600mA 最小測量電流 5mA
當測量大電容時，約需 10 秒才顯示測量結果。
：為了避免可能的觸電或人身傷害等安全事故，請確實遵守安全工作規範
溫度測量
按下電源鍵 ，打開儀錶的電源。
取下表棒，將儀錶面板上的撥動開關輕輕的往下推，直到撥動開關被鎖住。
將K型熱電偶溫度探頭插入 K型熱電偶溫度探頭插孔。
將熱電偶溫度探頭感應端貼近或緊貼被測量物件。
從顯示幕讀取測量結果。
按 鍵可以在攝氏度和華氏度單位之間切換。
測量結束，按下電源鍵 ，關閉儀錶電源。
注意：
不可對帶電物體進行測量，也不可從此輸入插孔測量電壓
注意熱電偶的正負極，不要插反。
：為了避免可能的觸電或人身傷害等安全事故，請確實遵守安全工作規範
電晶體測量
按下電源鍵 ，打開儀錶的電源。
取下表筆，將儀錶面板上的撥動開關輕輕的往下推，直到撥動開關被鎖住。
將電晶體管腳插入電晶體測試插孔。
從顯示屏讀取測量結果。
測量結束，按下電源鍵 ，關閉儀錶電源。
注意：
不可從此輸入插孔測量電壓
注意電晶體的類型及 B、C、E極要插入對應的插孔，不要插錯。
：為了避免可能的觸電或人身傷害等安全事故，請切實遵守安全工作規範

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NCV 檢測
按下電源鍵 ，打開儀錶的電源。
按下 鍵，並保持住，儀錶將顯示“NCV”。
然後將儀錶 NCV 感應探頭逐漸靠近被檢測點。
當儀錶感應到交流電壓大於約 12V 時將點亮 2個綠色 LED 指示燈，同時蜂鳴發出慢
速的“嘀、嘀”提示音。
當儀錶感應到交流電壓大於約 60V 時將點亮 4個綠色 LED 指示燈，同時蜂鳴發出中
速的“嘀、嘀”提示音。
當儀錶感應到交流電壓大於約 90V 時將點亮 4個綠色 LED 指示燈和 2個紅色 LED
指示燈，同時蜂鳴發出快速的“嘀、嘀”提示音。
測量結束，鬆開 鍵；然後按下電源鍵 ，關閉儀錶電源。
：為了避免可能的觸電或人身傷害等安全事故，請確實遵守安全工作規範
火线检测
按下電源鍵 ，打開儀錶的電源。
將紅表棒插入 V插孔。
然後按下 鍵，並保持住，儀錶將顯示“NCV”。
然後將紅表筆的另一端接觸被檢測點。
當儀錶檢測到交流電壓大於約 110V 時將點亮 4個綠色 LED 指示燈和 2個紅色 LED
指示燈，顯示幕將顯示“LIVE”同時蜂鳴發出快速的“嘀、嘀… … ”提示音。
測量結束，鬆開 鍵；然後按下電源鍵 ，關閉儀錶電源。
：為了避免可能的觸電或人身傷害等安全事故，請確實遵守安全工作規範
4通用技術指標
使用環境條件:
EN61010-1, EN61010-2-033, EN61326-1,CATⅢ600V，污染等級 2
海拔高度< 2000 m
工作環境溫濕度：0~40℃（<80% RH，<10℃時不考慮）
儲存環境溫濕度：-10~60℃（<70% RH, 取掉電池）
溫度係數：0.1準確度/℃
測量端和地之間允許的最大電壓：600V 直流或交流有效值
採樣速率：約 3次/秒。
顯示：液晶顯示幕
超量程指示：顯示“OL”。

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電池低壓指示：當電池電壓低於正常工作電壓時，“ ”將顯示在顯示幕上。
輸入極性指示：自動顯示“”號
電源： 3x1.5V AAA 電池
外形尺寸：169mm x 83mm x 53mm
5準確度指標
準確度在校準後一年內適用。
基準條件：環境溫度 18℃至 28℃、相對濕度不大於 80。
直流電壓
量程
解析度
準確度
6V
0.001V
±（0.8% 讀數 +3 字）
60V
0.01V
600V
0.1V
輸入阻抗：10MΩ
最小測量電壓：0.2V 直流電壓
最大測量電壓：600V DC 或AC 有效值。
交流電壓
量程
解析度
準確度
6V
0.001V
±（1.2%讀數 +3 字）
60V
0.01V
600V
0.1V
輸入阻抗：10MΩ
最小測量電壓：0.5V 交流電壓
最大測量電壓：600V DC 或AC 有效值。
頻率範圍：45Hz~65Hz，真有效值響應。
直流電流
量程
解析度
準確度
600mA
0.1mA
±（1.0%讀數 +3 字）
最小測量電流：5mA
最大測量電流：600mA DC 或AC 有效值。
輸入保護：630mA/250V 保險管。