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Clean the cuvettes
After every test or after a solution change, the cuvettes should be cleaned carefully, otherwise any remains
on the surface will cause measuring errors.
Check lamp
In Wavelength Scan mode, set the test parameters as follow:
Scan From: 500 nm
Scan To:
200 nm
Scan Step: 1 nm
Press numeric key 6, enter the amplifier of ADC as "0", and press the Enter key to start scanning energy.
After the scan is finished, press the function key Search, then press <,> to browse the energy value point to
point. Check the energy of the wavelength 500 nm and 200 nm, and check the energy. You will need to
replace the W lamp in the following two cases:
Energy <20 from 500 to 340 nm W lamp is damaged
Energy <5000 at 500 nm
W lamp energy is too low
You will need to replace the D2 lamp in the following two cases:
Energy <20 from 339 to 200 nm D2 lamp is damaged
Energy <1000 at 500 nm
D2 lamp energy is too low
Spare Parts Replacement
Replace the fuse
Danger! Be sure to switch off the power and unplug the cord from the socket before
replacement!
1. Tools
preparation
Prepare a 3×75 Flat Blade screwdriver
.
2. Switch off the power supply
Switch off the power supply and unplug the socket.
3. Take out the fuse seat
Take out the fuse seat using a screwdriver.
4. Replace
the
fuse
Take the new fuse (3.15 A/250 V) and place it into the working position.
