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| Categories | Portable Water Quality Meter | 
|---|---|
| Brand Name: | JUGE | 
| Model Number: | DO30 | 
| Place of Origin: | Nanjing, China | 
| Certification: | IOS9001, CE | 
| MOQ: | 1 Unit | 
| Price: | USD100-2000 | 
| Packaging Details: | Neutral carton | 
| Delivery Time: | 5-8 working days | 
| Payment Terms: | Online order, T/T | 
| Supply Ability: | 100 Unit/Week | 
| Type: | Pen | 
| ORP range: | 0.00 - 20.00 ppm;0.0 - 200.0% | 
| Resolution: | 0.01 ppm ;0.1% | 
| Screen: | 20x30mm multi-line LCD | 
| Auto Backlight: | 1 minute | 
| Power: | 1x1.5V AAA battery (>500 hours lifespan) | 
| Dimensions: | 185×40×48 mm | 
| Weight: | 95g | 
| Company Info. | 
| Nanjing Juge Environmental Technology Co., Ltd. | 
| Verified Supplier | 
| View Contact Details | 
| Product List | 
Polarography Portable Pen Membrane Dissolved Oxygen DO meter
>>Application
Accurate, stable, economical, convenient, and easy to maintain – the DO30 Dissolved Oxygen Meter brings you more convenience and redefines the dissolved oxygen application experience.
>>Features
● Boat-shaped floating design with IP67 waterproof rating
● 4-button simple operation, comfortable grip for one-handed
precise measurement
● Selectable dissolved oxygen units: ppm concentration or %
saturation
● Automatic temperature compensation; automatic compensation after
salinity/atmospheric pressure input
● User-replaceable electrode and membrane head kit
● Cast-in water quality measurement capability (auto-lock function)
● Maintenance-free design: tool-free battery and electrode
replacement
● Backlit screen with multi-line display for easy readability
● Self-diagnostic display for electrode performance status
● Long-lasting 1*1.5 AAA battery operation
● Auto-shutdown after 5 minutes of inactivity
>>Technical Parameter
Specification  | Detail  | 
Range  | 0.00 - 20.00 ppm;0.0 - 200.0%  | 
Resolution  | 0.01 ppm ;0.1% | 
Accuracy  | ±2% F.S. | 
Temperature Range  | 0–100.0°C / 32–212°F  | 
Operating Temperature  | 0–60.0°C / 32–140°F  | 
Temperature Resolution  | 0.1°C / 1°F  | 
Calibration  | 1 or 2 point calibration  | 
Salinity Compensation  | 0.0 - 40.0 ppt  | 
Air Pressure Compensation  | 600 - 1100 mbar  | 
Protection Rating  | IP66, NEMA 4X  | 
Screen  | 20x30mm multi-line LCD  | 
Temperature Compensation  | ATC (auto) / MTC (manual)  | 
Lock Function  | Manual / Auto  | 
Protection Rating  | IP67  | 
Auto Backlight  | 1 minute  | 
Auto Power-Off  | 5 minutes  | 
Power  | 1x1.5V AAA battery (>500 hours lifespan)  | 
Dimensions (H×W×D)  | 185×40×48mm  | 
Weight  | 95g  | 
                                 
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