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Mastech MS8239D, Руководство оператора

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07

 3. Specifications

 3.1 General Specifications

 Accuracy is specified for a period of year after calibration 
 and at 18 

 to 28 

(64 F to 82 F) with relative humidity 

 to 75%.

°C

°C 

°

°

3.1.1 Auto ranges and manual range.
3.1.2 Overrange protection for all ranges.
3.1.3 Max. Voltage Between Terminals And Earth 

          Ground: 600V DC or AC

3.1.4 Operating Altitude: 2000 meters (7000 ft.) 

          maximum

3.1.5 LCD Display: 16mm height character
3.1.6 Max. Show Value: 1999 (3 1/2)
3.1.7 Polarity Indication: ‘-’indicates negative polarity.
3.1.8 Over range Indication: Display 'OL' 
3.1.9 Sampling Time: approx. 0.4 second
3.1.10 Unit showing: showing of function and
            electrical capacity.
3.1.11 Low Battery Indication: “      ” displayed
3.1.12 Auto power off time: 15 min.
3.1.13 Power Supply: 1.5V×2 AAAbattery.
3.1.14 Operating Temperature: 0°C to 40°C 

            (32°F to 104°F)

3.1.15 Storage Temperature: -10°C to 50°C 

            (10°F to 122°F)

3.1.16 Dimension: 150×74×42mm
3.1.17 Weight: approx. 250g(including battery)

08

 3.2.1 Dc Voltage

- Input Impedance: 10M
- Overload Protection: 
  200mV range: 250V DC or AC rms, 

 2V-600V ranges: 600V DC or AC rms.

- Max. Input Voltage: 600V DC

Ω

 3.2 Electrical Specifications

Circumstance Temperature: 23 5

Relative 

Humidity: < 75%.

± °C 

 3.2.2 AC Voltage

200mV

Range

Resolution

   2V

   20V

   200V
   600V

0.1mV

    

(0.7% of rdg + 2 digits)

±

Accuracy

0.001V

0.01V

0.1V

1V

200mV

Range

Resolution

   2V

   20V

   200V
   600V

0.1mV

    

(0.8% of rdg + 3 digits)

±

Accuracy

0.001V

0.01V

0.1V

1V

±(1.0% of rdg + 3 digits)

Содержание MS8239D

Страница 1: ...MS8239D DIGITAL ENGINE ANALYZER OPERATOR S MANUAL HOLD MAX FUNC V 4CYL 6CYL 8CYL 8CYL 6CYL 4CYL DWELL TACH x10RPM 600V CAT III COM RPM DWELL 10A FUSED MAX 600V AUTO MAX DATA MS8239D ENGINE ANALYZER ...

Страница 2: ...ng Instruction 11 4 3 Maximum Value Hold 11 4 4 Function Transform 12 4 5 Back Light 12 4 6 Auto Power Off 13 4 8 Preparation For Measurement 13 4 9 Measuring Dc Voltage 13 4 10 Measuring AC Voltage 15 4 11 Measuring DC Current 15 4 12 Measuring AC Current 16 4 13 Measuring Resistance 16 4 14 Measuring Engine Dwell 17 4 15 Measuring Engine Rev 17 4 16 Diode Testing 18 4 17 Continuity Testing 18 5 ...

Страница 3: ...s and ranges disconnect test leads from the circuit under test 1 2 9 Never perform resistance temperature diode and continuity measurements on live circuits 1 2 10 Never use the meter under the condition of the explosive air steam or dirt 1 2 11 If any faults or abnormalities are observed the meter can not be used any more and it has to be checked out This instrument has been designed according to...

Страница 4: ...Before opening the battery cover or case of the meter always disconnect test leads from all tested circuits 1 4 3 To avoid the wrong reading causing electricity attack when the meter displays you must change the battery 1 4 4 Do not use abrasives or solvents on the meter use a damp cloth and mild detergent only 1 4 5 Always set the power switch to the OFF position when the meter is not in use 1 4 ...

Страница 5: ...tton is used to the switch of power RANGE Button This button is used to transform Auto range or manual range FUNC Button This button is used to transform function DATA H Button This Button is used to the switch of data hold MAX H Button This Button is used to the switch of maximum value hold Button This button is used to the switch of back light Transform Switch This switch is used to select funct...

Страница 6: ...ng of function and electrical capacity 3 1 11 Low Battery Indication displayed 3 1 12 Auto power off time 15 min 3 1 13 Power Supply 1 5V 2 AAAbattery 3 1 14 Operating Temperature 0 C to 40 C 32 F to 104 F 3 1 15 Storage Temperature 10 C to 50 C 10 F to 122 F 3 1 16 Dimension 150 74 42mm 3 1 17 Weight approx 250g including battery 08 3 2 1 Dc Voltage Input Impedance 10M Overload Protection 200mV r...

Страница 7: ... 10A voltage drop 2A range 20mV 10A range 200mV 3 2 5 Resistance 200Ω 2kΩ 20kΩ 200kΩ 2MΩ 0 1Ω 0 001kΩ 0 01kΩ 0 1kΩ 0 001MΩ 20MΩ 0 01MΩ Open Circuit Voltage 0 25V Overload Protection 250V DC or 250V rms AC Range Function Built in buzzer will sound if resistance is lower than 50Ω 20Ω Range Resolution 2 0 of rdg 10 digits Accuracy 3 2 4 AC Current 2 000A 10 00A 0 001A 0 01A 3 0 of rdg 10 digits Range...

Страница 8: ... digits Accuracy Overload Protection 250V DC or rms AC 6CYL 8CYL 10RPM 10RPM Range Function 4 4 Function Transform Put down the FUNC when measuring the current and voltage Meter will be transformed between DC and AC range Put FUNC when measuring the temperature meter will transform between and F range Put FUNC when measuring the diode and continuity meter will transform among them Note LED is the ...

Страница 9: ...ct the inner circuit from damaging Select a function and a range for the item to be measured through rotating the transform switch accordingly When the value scale to be measured is unknown beforehand set the range selector at the highest position When connection first connect to the public testing line then to the electriferous testing line When you ll remove it you should remove the elecriferous ...

Страница 10: ... range position 4 9 3 Put down the FUNC to enter the AC measurement 1 4 9 4 Connect test leads across the source or load under measurement 4 9 5 You can get reading from LCD 4 11 Measuring Dc Current Shut down the power of the tested circuit then connect the meter with the circuit for measurement Shut down the power of the tested circuit then connect the meter with the circuit for measurement 4 13...

Страница 11: ...he engine is started 4 16 Testing Diode 4 14 Measuring Engine Dwell 4 15 Measuring Rev 4 15 1 Connect the black test lead to the COM jack and the red test lead to the INPUT jack The polarity of red lead is 4 15 2 Set the transform switch at the range position 4 15 3 put down the FUNC transformed at test 4 15 4 Connect the red lead to the anode the black lead to the cathode of the diode under testi...

Страница 12: ...ING To avoid electric shock make sure that the test leads have been clearly move away from the circuit under measurement before opening the battery cover of the meter WARNING Do not mix old and new batteries Do not mix alkaline standard carbon zinc or rechargeable ni cad ni mh etc batteries If the sign appears it means that the batteries should be replaced Loosen the fixing screw of the battery co...

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