Mastech MS8265, Operator'S Instruction Manual

21

22

Input impedance: 10M
Max. input voltage: 250Vdc or ac rms for 200mV 
range and 1000Vdc or 750V ac rms for other ranges, 
Frequency Range: 40Hz-400Hz 
Response: Average, calibrated in rms of sine wave 

Ω

4.2.4 Resistance

Resolution

Range

Accuracy

±(0.5% of rdg +5 digit )

s

0.1Ω

1Ω

10Ω

100Ω

200Ω

2kΩ

20kΩ

200kΩ

2MΩ

20MΩ

200MΩ

1kΩ

10kΩ

± 5.0% of 

+20 digits]

[

rdg

±(0.5% of rdg +10 digits)

Overload protection: 250V dc or 250Vac rms.
Open Circuit Voltage: Less than 700mV.

0.01Ω

4.2.5 Diode

Forward DC Current: approx. 1mA
Reversed DC Voltage: approx. 1 5V
Overload protection: 250Vdc or 250Vac rms.

.

4.2.6 Audible continuity

Continuity beeper

Range

≤

50Ω

Open circuit voltage: Less than 700mV.
Overload protection: 250Vdc or 250Vac rms. 

4.2.7 Transistor

Description

Range

Test Condition

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

Base Current approx. 
10µA, Vce approx. 
2.8V.

hFE

4.2.8 Capacitance

Resolution

Range

Accuracy

10pF

0.1nF

1nF

10nF

20nF

200nF

20 0µF

.

200

µF

.0

±(4.0% of rdg +20 digit )

s

Overload protection: Resettable fuse (F400mA/250V).

1pF

Overload protection: Resettable fuse (F400mA/250V).

2 0µF

.

4.2.3 Frequency 

Resolution

Range

Overload protection: 250V dc or 250V ac rms.
Input Voltage range: 200mV-10V ac rms 

±(1.5% of rdg + 15 digits)

20kHz

1Hz

Accuracy

Range

Function

Function

2V

DC forward current: 
1mA; reverse 
DC voltage: about 1.5V.
Display read approx. 
forward voltage of diode

Resolution

0 1mV

.