Mastech CSIMS8264 Operator'S Instruction Manual Download Page 13

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Range Resolution

Accuracy

200

0.1

(0.8% of rdg+3 digits)

20k

200k

100

(0.8% of rdg+1 digit)

20M

10k

(1.0% of rdg+2 digits)

200M

0.1M

±[

5.0% of (rdg-10digits) +10 digits]

Overload protection: 380V dc or 380Vac rms.
Open Circuit Voltage: Less than 700mV.

4.2.5 Diode

Range

Resolution

Function

1mV

Display read approx. forward
voltage of diode

Forward DC Current: approx. 1mA
Reversed DC Voltage: approx. 2.8V
Overload protection: 380Vdc or 380Vac rms.

4.2.6 Audible continuity

Range

Continuity beeper

≤

Open circuit voltage: Less than 700mV.
Overload protection: 380Vdc or 380Vac rms.

4.2.7 Transistor

Range

Description Test

Condition

hFE

Display read approx.
HFE value (0-1000) of
transistor under test (all
type).

Base Current approx.
10

A, Vce approx.

2.8V.

4.2.8 Temperature

Range Resolution

Accuracy

-20

℃

(5.0% of rdg+4 digits)

℃

~400

℃

(1.0% of rdg+3 digits)

401

℃

~1000

℃

2.0% of rdg

Overload protection: Resettable fuse (F200mA/250V).

* Temperature specifications do not include thermocouple
errors.

4.2.9 Capacitance

Range Resolution

Accuracy

2nF 1pF
20nF 10pF
200nF 0.1nF
2

F 1nF

F 10nF

(4.0% of rdg+3 digits)

Overload protection: Resettable fuse (F200mA/250V).

4.2.10 DC Current

Range Resolution

Accuracy

20mA 10

200mA 0.1mA

(1.5% of rdg+1 digit)

10A 10mA

(2.0% of rdg+5 digits)

Overload protection: Resettable fuse (F200mA/250V). 10A

range unfused

Max. input current: 200mA dc or 200mA ac rms for mA range,

10A dc or 10A ac rms for 10A ranges.

For measurements>5A, 4 minutes maximum ON to measure
10 minutes OFF; Above 10A unspecified.

4.2.11 AC Current

Range Resolution

Accuracy

2mA 1

(1.0% of rdg+3 digits)

200mA 0.1mA

(1.8% of rdg+3 digits)

10A 10mA

(3.0% of rdg+7 digits)

Overload protection: Resettable fuse (F200mA/250V). 10A

range unfused.

Max. input current: 200mA dc or 200mA ac rms for mA range,

10A dc or 10A ac rms for 10A ranges.

For measurements>5A, 4 minutes maximum ON to measure
10 minutes OFF; Above 10A unspecified.
Frequency Range: 40Hz-400Hz
Response: Average, calibrated in rms of sine wave

5. MAINTENANCE

Summary of Contents for CSIMS8264

Page 1: ...HANDHELD DIGITAL MULTIMETER OPERATOR S INSTRUCTION MANUAL ...

Page 2: ...nt 10 3 2 2 Resistance measurement 11 3 2 3 Diode Test 12 3 2 4 Continuity Check 13 Ⅰ Table of Contents TITLE PAGE 3 2 5 Capacitance measurement 14 3 2 6 Transistor measurement 15 3 2 7 Frequency measurement 15 3 2 8 Temperature measurement 16 3 2 9 Current measurement 16 4 TECHNICAL SPECIFICATIONS 18 4 1 General specifications 18 4 2 Measurement specifications 19 4 2 1 DC Voltage 19 4 2 2 AC Volt...

Page 3: ...m MAINS and specially protected internal MAINS derived circuits In the latter case transient stresses 1 are variable for that reason requires that the transient withstand capability of the equipment is made known to the user When using this Multimeter the user must observe all normal safety rules concerning protection against the dangers of electric current protection of the Multimeter against mis...

Page 4: ...sting resistance continuity diodes or capacitance Never perform resistance or continuity measurements on live circuits Before measuring current check the meter s fuse and turn off power to the circuit before connecting the meter to the circuit 3 In TV repair work or when carrying out measurements on power switching circuits remember that high amplitude voltage pulses at the test points can damage ...

Page 5: ...ed and authorized to energize and de energize circuits and equipment in accordance with established practices When the instrument is opened up remember that some internal capacitors can retain a dangerous potential even after the instrument is switched off If any faults or abnormalities are observed take the instrument out of service and ensure that it cannot be used until it has been checked out ...

Page 6: ... the Data Hold mode or Celsius scale The unit of temperature Fahrenheit scale V mV V mV Volts The unit of voltage Millivolt 1x10 3 or 0 001 volts A mA μA A mA μA Amperes amps The unit of current Milliamp 1x10 3 or 0 001 amperes Microamp 1x10 6 or 0 000001 amperes Ω kΩ MΩ Ω kΩ MΩ Ohm The unit of resistance Kilohm 1x10 3 or 1000 ohms Megohm 1x10 6 or 1 000 000 ohms kHz KHz Kilohertz 1x10 3 or 1000 h...

Page 7: ... and continuity measurements Receiving the red test lead mA hFE Input for capacitance Temperature hFE and 0 001mA to 200mA current measurements Receiving the red test lead or the plug of the special multi function socket 10A Input for 200mA to 10A current measurements Receiving the red test lead 2 5 Accessories Delivered with the multimeter User s manual One piece Test leads One piece Carry case O...

Page 8: ...V 2 000V 20 00V 200 0V and 1000V AC voltage ranges are 2 000V 20 00V 200 0V and 7500V 10 To measure ac or dc voltage 1 Set rotary switch to the proper range 2 Connect the black and red test leads to the COM and V terminals respectively 3 Connect the test leads to the circuit being measured 4 Read the displayed value The polarity of red test lead connection will be indicated when making a DCV measu...

Page 9: ...nd other semi conductor devices The diode test sends a current through the semiconductor junction and then measures the voltage drop across the junction a good silicon junction drops between 0 5V and 0 8V 12 To test a diode out of a circuit 1 Set the rotary switch to range 2 Connect the black and red test leads to the COM and terminals respectively 3 For forward bias readings on any semiconductor ...

Page 10: ...g To improve the accuracy of measurements less than 20nF subtract the residual capacitance of the Meter and leads 14 3 2 6 Transistor measurement To avoid electrical shock and or damage to the instrument do not apply more than 250Vdc or 250Vac rms between the hFE terminal and the COM terminal 1 Set the rotary switch to hFE range 2 Connect the com plug and plug of the special multi function socket ...

Page 11: ...nt Never place the test leads in parallel with a circuit or component when the leads are plugged into the current terminals 16 Current is the flow of electrons through a conductor The Meter s DC current ranges are 20 00mA 200 0mA and 10 00A AC current ranges are 2 000mA 200 0mA and 10 00A To measure current 1 Turn off the power of the measured circuit Discharge all the high voltage capacitors 2 Se...

Page 12: ...18 4 2 Measurement specifications Accuracy is specified for one year after calibration at operating temperatures of 18 to 28 with relative humidity at 0 to 75 Accuracy specifications take the form of of Reading Number of Least Significant Digits 4 2 1 DC Voltage Range Resolution Accuracy 200mV 0 1mV 2V 1mV 20V 10mV 200V 100mV 0 5 of rdg 1 digit 1000V 1V 0 8 of rdg 2 digits Input impedance 10MΩ Max...

Page 13: ...tion Resettable fuse F200mA 250V Temperature specifications do not include thermocouple errors 4 2 9 Capacitance Range Resolution Accuracy 2nF 1pF 20nF 10pF 200nF 0 1nF 2μF 1nF 20μF 10nF 4 0 of rdg 3 digits Overload protection Resettable fuse F200mA 250V 4 2 10 DC Current Range Resolution Accuracy 20mA 10μA 200mA 0 1mA 1 5 of rdg 1 digit 10A 10mA 2 0 of rdg 5 digits Overload protection Resettable ...

Page 14: ...Battery replacement To avoid false readings which could lead to possible electric shock or personal injury replace the battery as soon as the battery indicator appears Before replacing the battery disconnect test leads and or any connectors from any circuit under test turn the meter off and remove test leads from the input terminals To replace the battery see Figure 2 Turn the meter off Disconnect...

Page 15: ...HYS005517 ...

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