MJ-HE/JZ-140423
Malmbergs Elektriska aB, PO Box 144, sE-692 23 kumla, sWEDEn
Phone: +46 (0)19-58 77 00 Fax: +46 (0)19-57 11 77 [email protected] www.malmbergs.com
AC Voltage Measurement
Range
Resolution
Accuracy
200v
100mv
±(1.5%+1)
500v
1v
input impedance: 452k
Ω
.
Overload protection: 500v aC/DC, max. 15 seconds.
Frequency: 50 to 200Hz.
DC Current Measurement
Range
Resolution
Accuracy
200ma
100µv
±(2%+2)
Overload protection: 0,2a / 250v fuse.
Resistance Measurement, Ohm
Range
Resolution
Accuracy
2000
Ω
1
Ω
±(1.5%+3)
20k
Ω
10
Ω
200k
Ω
100
Ω
2000k
Ω
1k
Ω
Overload protection: 250v DC or aC rms.
Battery Test
Range
Description
Reading with
correct battery
1.5v
shows current
left in battery
approx. 40ma
9v
approx. 24ma
Overload protection: 250v DC or aC rms.
Diode test
The display shows the approximate pass-through voltage at 1ma.
Continuity test
at a resistance below 50
Ω
, the buzzer will sound. Test voltage 2,8v.
Transistor test
shows the hFE reading between 0-1000 at a basic current 10µa and v
ce
2,8v.
MainTEnanCE
Cleaning
•
Make sure that the instrument is not connected to a circuit.
•
Clean with a damp cloth and a mild detergent.
•
The instrument must be completely dry before use.
Changing Battery
•
Make sure that the instrument is not connected to a circuit.
•
unscrew the battery compartment cover at the back.
•
Be careful not to touch the circuit board when changing the battery.
•
replace the old battery with a new 9v 6LF22 / PP3 battery.
•
screw the battery compartment cover back in place.
