Major tech MT328 Gebruiksaanwijzing - Pagina 4
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2.
SPECIFICATIONS
Current Settings
Current Selection
Phase Start Selection;
0˚
180˚
Phase Polarity Trip Indicator
Operating Voltage (L-E)
Timer Resolution
Timer Accuracy
Current Accuracy
Current Resolution
Voltmeter Accuracy
Voltmeter Resolution
Operating Temperature
Storage Temperature
Battery
Maximum Current Specified at
0 - 1000mA
Knob
Yes
Yes
Yes
110Vac to 317Vac
1mS
1mS
1% & 2mA
1mA
5%
1V
-5˚C - 45˚C
-10˚ - 47˚C
8 x AA batteries
317Vac
7.
RCCB/ELCB TESTING - TIME DELAY -
Turn Instrument "ON" by pressing the "ON" button.
The L.C.D display will come to the following Screen.
- Instantaneous
* - Time Delay
Push Select to change Selection
To Instantaneous, then Press "TEST"
Dial Starting
Current 125mA
Dial the Starting Current of the
Instantaneous Test using the knob
Select the Positive or negative
Start Edge using the Select Button
Connect Leads
To Earth & Phase
Connect Leads
The Test will start
V = 317V T= 4.023s
I = 125mA
Test in Progress
Between leads is 317V
V = 317V + T = 12.435s
I = 125mA HOLD → TRP
TRP = Tripped, Display on Hold
At 12.435s Tripped on + edge of signal
Positive
Start Edge