Sifam Tinsley Zeta 20, Руководство пользователя

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Repair, Parts Replacement and Calibration
After opening the instrument, live parts may be exposed. Therefore, the
instrument must be disconnected from the measuring circuit prior to
opening its case for repair, replacement of parts or calibration. If repair or
calibration cannot be avoided, unless the instrument is open and live, the
work must be performed by a qualified person, who understands the
danger involved.
Faults and Extraordinary Stress
When it is realized that the safe operation is no longer possible, take the
instrument out of service and secure it against accidental use.
Safe operation is no longer possible -
n
When the instrument shows obvious sign of damage,
n
When the instrument no longer functions correctly,
n
After a prolonged storage under adverse conditions,
n
Due to severe stress due to transportation.
2 Initial Start-Up
Battery
Fit the instrument with the 6 X 1.5V cells (IEC LR6 type)( Rechargeable
cell provided incase of rechargeable feature ).
Before you use the instrument for the first time or after storage refer
to section '' 3. Maintenance Battery ''
Mains Adapter for external power supply (Optional)
Mains Adapter (Output : DC 12V, 1000mA) can be connected for long
term measurement (without usage of internal batteries).
Isolated Adapter has to be used.
Do not use non-isolated Adapter.
Connect the jack to the instrument and Adapter to the mains power
supply.
Switching the Instrument ON
Instrument can be switched ON :
1.
By pressing the ON/OFF button.
2. By changing the function selector switch from current position
to desired function.
Switch-on is acknowledged by a sound signal. The instrument is now
ready for operation.
Attention !
Before opening disconnect the instrument from the
measuring circuit and ensure high voltage is not available
on leads.
Automatic turn-off
Your instrument turn off automatically, if any of the keys or the function
selector switch have not been activated for about 10 minutes in
insulation resistance range and 5 minutes in other ranges.
How to prevent automatic TURN-OFF
In order to prevent automatic “TURN-OFF” select “CONTINUOUSLY
ON” mode For this push TEST push button and the “ON-OFF”
pushbutton together when switching ON the instrument.
The symbol is displayed on the LCD to indicate this
“CONTINUOUSLY ON” mode.
Switching the Instrument Off
Press “ON/OFF” pushbutton for a longer time.
5
ON
16
0.01M Ω 0.1M Ω 0.5M Ω 1.0M Ω 10M Ω 100M Ω
Insulation Resistance
Output V
oltage ( V
)
1300
1200
1100
1000
900
800
700
600
500
400
300
200
100
1000 V Range
500 V Range
250 V Range
0.1M Ω 0.05M Ω 1M Ω 10M Ω
Insulation Resistance
Output V
oltage ( V
)
130
120
110
100
90
80
70
60
50
40
30
20
10
100 V Range
50 V Range
10M
Ω
Required min. Value of Insulation Resistance
(Limiting Value)
Minimum Display V
alue
5M
Ω
2M Ω
1M
Ω
0.5M Ω
0.2M Ω
0.2M
Ω
0.5M
Ω
1M
Ω
2M
Ω
5M
Ω
Display
LCD display field (65 mm x 30 mm) with analog indication and Digital
display and with display of unit of measured quantity and functions
Analog
Display Logarithmic Scale
Digital
Display/Char. Height 7 segment digits/12mm
Number of Digits 3 digit for M and
4 digit for Stop watch
Over range Indication OL
Ω Ω