- 23 -
Glass cuvettes used in UV Range
Use Silicon Cuvettes.
No stable Sample
Improve the sample
Much higher sample concentration
Dilute the sample
Low voltage or unstable power supply Improve the power condition
Lights defect
Replace a new lamp
Light used up
Replace a new lamp
5) Worse Repeatability
Possible Reason
Solution
Unstable sample
Improve the sample
Cuvettes polluted
Clean the cuvettes
6) Incorrect reading
Possible Reason
Solution
Dark Current Error
Re-get the dark current
Worse matching of the cuvettes
Improve the matching of the cuvettes
3. Spare part replacement
Replace the Fuse
Danger! Be sure to switch off the power and unplug the socket
before replacement!
Step 1: Tools preparation
Prepare a 3×75 Flat Blade screwdriver
Step2
：
Switch Off the power supply
Switch off the power supply, and unplug the socket.
Step 3: Take out the Fuse Seat
Take out the fuse seat by the screwdriver. (Fig.5-1)
1
2
Fig. 5-1
Step 4: Replace a new fuse
Pick out the spare fuse and replace it to the working position. (Fig.5-2)
