Yieryi JPB-70A Portable Digital Pen Dissolved Oxygen Meter
The Yieryi JPB-70A Portable Digital Pen Dissolved Oxygen Meter is a professional water quality tester designed for on-site field operations. This compact instrument measures dissolved oxygen levels with a test range of 0-20 mg/L, making it ideal for environmental monitoring, aquaculture, and water treatment applications.
Product Overview
The JPB-70A pen-type intelligent dissolved oxygen analyzer consists of two main components: a sensor unit and an electronic unit. The sensor features a membrane-type polarographic oxygen electrode, while the electronic unit incorporates high-integrated circuitry. The instrument utilizes a dot matrix LCD display that clearly shows both dissolved oxygen values and temperature readings.
Key Features
- Clear LCD display for easy reading
- Automatic temperature compensation for accurate measurements
- Fast response time for efficient testing
- Portable pen design for easy carrying and field use
- Factory-calibrated dissolved oxygen electrode (polarographic membrane type)
Technical Specifications
| Parameter |
Specification |
| Model |
JBP-70A |
| Dissolved Oxygen Measurement Range |
0-20 mg/L |
| Temperature Range |
0-40°C |
| Dissolved Oxygen Basic Error |
±0.3 mg/L |
| Temperature Basic Error |
±1°C |
| Residual Current |
<0.15 mg/L |
| Response Time |
<30s (90% response at 20°C) |
| Automatic Temperature Compensation Range |
0-40°C |
| Power Supply |
4 x 1.5V button batteries |
| Dimensions & Weight |
40mm x 185mm, 88g |
What's Included
- 1 x Dissolved Oxygen Meter
- 1 x English Instruction Manual
Product Images