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Home ProductDissolved Oxygen Meter

Digital Dissolved Oxygen Meter

Digital Dissolved Oxygen Meter

Product Details:

Place of Origin: Made in china
Brand Name: HEDAO
Model Number: HD-70A
Certification: ISO9000

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Large Image:Dissolved Oxygen MeterDigital Dissolved Oxygen Meter

Detailed Product Description

Digital Dissolved Oxygen Meter Portable HD-70A Dissolved Oxygen Pen Water Quality Tester Dissolved Oxygen Detector
HD-70A pen-type intelligent dissolved oxygen analyzer (hereinafter referred to as the instrument) is mainly designed to
facilitate the user to carry on-site operation.
The instrument can be divided into two parts: sensor and electronic unit. The sensor uses a polarographic film-type dissolved
oxygen electrode. 
The electronic unit is composed of high integrated circuits. The instrument uses a dot-matrix liquid crystal display to display
dissolved oxygen values and temperatures. 

Model Number: HD-70A 
Type: Portable Dissolved Oxygen
Meter Measurement range: 0.0 to 20.0 mg/L 
Accuracy: 0.3mg/L 
Resolution: 0.1 
Residual current: not more than 0.15mg/L 
Response time: no more than 30s (90% response at 20°C) 
Automatic temperature compensation range: (0 ~ 40) °C 
Measuring range: 
1. Dissolved oxygen: (0.0~20.0)mg/L 
2. Temperature: (0 ~ 40) °C 
Basic error: 
1. Dissolved oxygen: ±0.3mg/L 
2. Temperature: ±1°C

Automatic temperature compensation, fast response time 
Portable, easy to carry 
With our factory dissolved oxygen electrode(polarized film type) 
Power supply: 4*1.5V button batteries(NOT INCLUDE)
Dimensions (mm): Φ40*185 (without electrodes) 
Weight: 88g
Instrument keyboard description: Key Function (switch) power on and off. 
CAL calibration key (long press 5 seconds to enter the calibration interface) 
HOLD lock/hold key, Fahrenheit/Celsius temperature conversion key. 


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Fuzhou Hedao Trade Co.,Ltd.

Contact Person: Ms Josie wu

Tel:0086 0591 88280227

Fax:0086 0591 88280227

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