CLEAN Instruments DH200 Instruction Manual page 2

Function Setting
UNIT
UNIT
Press to switch unit (ppm, ppb),
Press to switch from Dissolved Hydrogen
MODE
concentration mode to Reduction Potential mode
With the sensor soaking solution display: 0.000ppm.
Battery
Use the coin to remove the battery cover by following the "-" direction.
Insert 2*7AAA batteries in the battery compartment with the correct
Positive and Negative poles
Tight the battery cover by following the "+" direction.
-
+
Electrode Installation
The direction of the red dot marker on the Electrode and the salient
point on the unit should be the same when install the electrode to the
unit. Remove the electrode by pulling out the clamp on the electrode.
Shell
If the meter accidentally touches water or other fluids, please wipe it
clean immediately. The meter function is not affected usually. But if
affected and cannot use (possibly because of the battery cover is not
tight and penetrated by water), please contact our company or
CLEAN local customer service center. They will be very glad to help you.
Power on/off and Backlight
Power on：Short press power on/off key to start the meter. The whole
screen displayed within 1 second.
Power off：Long press the power on/off key to power off the meter.
Auto power off in 10 minutes if without any operation.
LCD backlight：Short press key to control if turn on the backlight or not.
MODE
BNC
Electrode using and maintenance
【Notice】
1.Please keep the metallic diaphragm always clean. Make sure the sensor
protection bottle is filled up with soaking solution. Note: Other solutions or tap
water can not be used as protection solution.
2. Please rinse off the sensor tip with clean water after each use and cover
the protection bottle back. Please also check the volume of the soaking
solution. If not enough, please be sure to add more.
Note: After each use, if there is some moisture or solution liquid on and near
the metallic diaphragm, random numbers may get displayed. Rinse off the
tip with clean water and place it back in sensor protecting cap. Make sure it
displays"0" before shutting off power.
3. If there is smudginess and mineral elements adhere on the metallic
diaphragm, the responsive time will be deduced and readings might drop.
Please use the wiping paper to polish the electrode metallic diaphragm.
Make sure the sensor tip is very clean.
After cleaning, please must keep the sensor tip in soaking solution. If the
reading is not 0.000ppm when in soaking solution, please change the sensor.
4. Life expectancy of an electrode depends on frequency of use. Generally,
it should be replaced in 1 year.Generally, it should be replaced in 1 year.
Cleaning order of the electrode metallic diaphragm:
1. Spin off the sensor protection bottle (please pay attention not to spill out the
soaking solution).
2. Hold the wiping paper (with the rough surface up) and drop a few drops of
water on the paper.
3. Horizontally contact the bottom of the metallic diaphragm with the wiping
paper which having water on it. Rub rotating as you writing the Arabic
numeral "8" for around 10 times.
4. Rinse off the tip with clean water and place it back in sensor protecting
cap. Make sure it displays"0" before shutting off power.
CW100
wiping paper
Polish the electrode
metallic diaphragm
General Information
Warranty
CLEAN Instruments warrants this product to be free from significant deviations
in material and workmanship for a period of one year from the date of
purchase. If repair is necessary and has not been the result of abuse or
misuse within the warranty period, please return to CLEAN Instruments and
amendment will be made without any charge. CLEAN Instruments Customer
Service Center will determine if product problem is due to deviations or
customer abuse. Out of warranty products will be repaired on a charge basis.
Return Of Malfunction Instruments
Authorization must be obtained from CLEAN Instruments Customer Service
Center to issue a RIR number before returning items for any reason. When
applying for authorization, please nclude date requiring the reason of return.
Instruments must be carefully packed to prevent damage in shipment and
insured against possible damage or loss. CLEAN Instruments will not be
responsible for any damage resulting from careless or insufficient packing.
Warning: Damage as a result of inadequate packaging is the User /
distributor's responsibility.
Please follow the guidelines below before transporting.
Guidelines Or Returning Unit For Repair
Use the original packaging material if possible, when transporting back the
unit for repair.
Otherwise wrap it with bubble pack and use a corrugated box for better
protection. Include a brief description of any faults suspected for the
convenience of Customer Service Center, if possible . If there are any
questions, feel free to contact our Customer Service Center or distributors.
CS6080
Sensor
Electrode
protection
metallic
bottle
diaphragm
Soaking solution Soak the sensor in the bottle.
(CS6080S) Fill up but don't overflow.
Base line