CLEAN Instruments DH30 Operation Manual Download Page 1

4. Key panel

3. CONFIGURATION and LCD INTRODUCTION

2. Precautions

Thank you for selecting Clean products. 

Before using the meter, relevant person must read and understand the contents 

of this operation manual. Operation Manual should be kept accessible within 

the person who use the meters.

Components:   
MDH30 Tester
CS6931 sensor
Sensor soaking solution 
SL6080(40ml/bottleX1)

Wiping paper

 CW100

 (50*25mm)x3

Battery
Instruction Manual 

                 

Set up 

                 

Data stabilized

                 

Low battery indicator 

                 

Measurement mode

                 

Auto Lock function 

                 

Auto Lock after data stabilized 

                 

Measuring value 

ppm,mV - measuring mode, unit

Dissolved Hydrogen Meter 

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CLEAN INSTRUMENTS CO. LTD

2F No.140, Zhongxiao St., 
Zhonghe Dist., New Taipei City ,
Taiwan

Instruction Manual

 

 

1.Product Overview

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DH30 tester

Dissolved Hydrogen  meter

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ENT

SET

CAL

+

-

AAA

CAL

ENT

SET

CAL

PH30

 

www.cleaninst.com

Customer Service: [email protected]

Dissolved Hydrogen Meter 

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Immersion 

depth:

50mm

Operation

Manual

Product Overview 
Precautions
CONFIGURATION and LCD INTRODUCTION
Key Panel
Battery and electrode installation
Measurement Mode 
Set up
Specification
Package
Electrode using and maintenance
Error
GENERAL INFORMATION

TABLE OF CONTENTS 

Long press to enter into mV mode

Increment values or scroll through the next options available

Long press to Power ON/OFF

Short press to ON/OFF backlight

Escape key when in mV mode and setting up

Data setting 

Decrement values or scroll through the next options available

Confirm key

Press to unlock in Auto lock mode

  

  

5. Battery and Electrode installation 

Unscrew the screw cap by following the 
arrow direction, slightly unplug the 
electrode, install the battery(pay attention 
to the anode and cathode of the 
electrode). 
Then install back the electrode and the 
screw cap. 
Low battery prompt is at the top of the 
screen when battery power is low.( You can 
refer to the LCD INTRODUCTION). Please 
change the same model battery. 

ENT

SET

CAL

PH30

ENT

SET

CAL

PH30

AAA

+

Short press

: Short press means release the key once after pressing.

                    (If there is no mark out below, default it as Short press)

Long press

: Long press means press the key for 3 seconds and then release it 

Hold

: Hold means not release the key and accelerate after a certain time. Not release the key 

until the value is set as needed. 

Key instruction

Precise and easy operation, Comfortable holding, All functions operated in one hand.
Large LCD with backlight, Multi-line display for easy reading, Auto-Power Off saves 
battery after 5 mins non-use
1*1.5V AAA long battery life, User replaceable battery and high-impedance plane 
electrode.
Field throw measurement( Auto Lock Function)

Please wipe up the electorde with clean tissue or cloth before using.
Do not throw or beat ,squash or twist the tester deliberately.
Do not expose to the direct sunlight or 
put in high humidity or high temperature environment .

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