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Nanjing Kejie Analytical Instrument Co., Ltd.

Laboratory Instrument, Laboratory Device, Dissolved Oxygen Meter manufacturer / supplier in China, offering Pocket Dissolved Oxygen Meter/Tester/Water Treatment/Laboratory Device, Low Temperature Biochemical Incubator, Laboratory Equipment/Laboratory Analyzer/Quaternary Low-Pressure System and so on.

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Pocket Dissolved Oxygen Meter/Tester/Water Treatment/Laboratory Device

FOB Price: US $230-280 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $230-280/ Piece
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Port: Nanjing, China
Production Capacity: 10000pieces/Year
Payment Terms: T/T, Western Union

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Basic Info
  • Model NO.: KJDO-10
  • Display: ExtraLCD
  • Portable: Portable
  • Off Mode: Manual & Automatic
  • Production Time: 7 Working Days
  • Trademark: Kejie
  • Specification: 175mm*40mm
  • Analysis Method: Chemical Analysis
  • Application: Water and Wastewater Treatment, Aquaculture
  • Operating Mode: Push Button
  • Weight: 100g
  • Shipping Time: 7-15 Days
  • Transport Package: Wooden Package
  • Origin: China
Product Description
Pocket Dissolved Oxygen Meter/Tester/Water Treatment/Laboratory Device
KJDO-10 Pocket Dissolved Oxygen Meter

·Product description
Easy-to-use pocket dissolved oxygen meter, 1 or 2 points calibration, automatic temperature compensation. The meter is suitable for education applications. Accuracy: 0.5mg/L.

1. Pocket dissolved oxygen meter comes with a polarographic sensor.
2. 1 or 2 points calibration using the air-saturated water and zero oxygen solution.
3. Manual salinity and barometric pressure compensation improve the measurement accuracy.
4. Automatic Temperature Compensation ensures accurate reading over the entire range.
5. Auto-Hold function freezes stable measured value for easy viewing and recording.
6. Battery indicator shows the remaining battery capacity.
7. Auto-Power Off helps user effectively conserve battery life.
8. System menu allows setting the 6 parameters, including the number of calibration points,
  temperature unit, concentration unit, etc.
9. Reset feature automatically resumes all parameters back to factory default settings.




Dissolved Oxygen



0.0~20.0mg/L (or ppm)





% Saturation of Oxygen





±10% F.S





Temperature Compensation

0~40°C, 32~104°F

Barometric Pressure Correction

60.0~112.5kPa, 450~850mmHg

Salinity Correction


Hold Function

Manual or Automatic

Power Off

Manual or Automatic (8 minutes after last key pressed)

Reset Function


Sensor Type

DO100 Polarographic DO Probe


6-pin Mini Plug

Power Requirements

2×1.5V "AAA" Batteries

Battery Life

Approximately 150 hours





1. Water and wastewater treatment
2. Pond water and aquarium
3. Aquaculture
4. Industrial process monitoring
5. Surface and ground water monitoring
6. Education and other applications

· Detail picture
Pocket Dissolved Oxygen Meter/Tester/Water Treatment/Laboratory Device

Pocket Dissolved Oxygen Meter/Tester/Water Treatment/Laboratory Device

Pocket Dissolved Oxygen Meter/Tester/Water Treatment/Laboratory Device

1. Standard export wooden case with high quality cushioning material ensure the item arrive customer in good condition.
2. Carefully check every packing detail before delivery to avoid any troubles during the transportation.
3. Appointed logistics company could be used according to customers demands.
4. Do our best to make sure customer can get their goods in time.
Pocket Dissolved Oxygen Meter/Tester/Water Treatment/Laboratory Device

·About Kejie Group
Nanjing Kejie Group have one researching institution and four professional production bases,which is a leading manufacturer in R&D, manufacturing and sales of gas chromatography, high efficient liquid chromatography, atomic absorption spectrometer, atomic fluorescence, UV visible spectrophotometer, headspace injector and other analytical instruments and related products.
Pocket Dissolved Oxygen Meter/Tester/Water Treatment/Laboratory Device

Our Service
Our commitment to you doesn't end when your equipment is shipped-It begins.

1. One years' warranty supported by product experts
2. AMC,post warranty,24H/7D response
3. Lifetime's spare parts supply for our products
4. Long term distribution partners worldwide ensure individual on-site customer consultation and service.

·Contact Information
2nd floor, A1 building, Nanjing University of Sci&Tech,
No.129-3 Guanghua Road, Nanjing City,
Jiangsu Province, China
Postal Code: 210014
Sales Contact
Tel: 0731-84139855 
FAX: 0731-89833299
Please feel free to submit your inquiry information to us.We will contact with you as soon as possible.

Q1: Are you the factory?
A1: Of course we are,we have one Researching Institution and four Professional Production Bases
Q2:What's the warranty period? How do you provide this?
A2:Two years (24 month).
We have very strict inspection, the instruments which you received are high-quality and reliable.
If there's any error, we'll provide you the on line solution with in 12 hours. We'll provide you the spare parts and the shipping cost totally free.
If the problem was caused by the instrument quality, and cannot be repaired, we'll ship you the new one.
Q3:What's the production time?
A3:Usually 20 days for production, some equipment need extra time to debug.
Q4:What's the Delivery method ?
A4:Light-weight cargo is usually by express , Air transport and sea shipping is acceptable (provide with safety packing)
Q5:What's the delivery time?
A5:According to different method and country , express will be 6~15 days
Q6:How to install and operate?
A6:According to each instruction manual which sent with equipment. ( We also provide after-sale technical support)
Q7:What's the payment term?
A7:Usually we do 50%TT deposit ,50%TT balance before shipping.Western Union, are acceptable.
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