Oxygen meterbrief introduction
Oxygen meter is a high-performance portable measuring instrument used to measure the pH ORP、 The parameters such as conductivity, salinity, TDS, etc. have a simple appearance, light weight, integrated circuit, high intelligence, and are easy to understand and operate through human-machine dialogue. They have high measurement accuracy and are particularly suitable for applications in industries such as petrochemicals, power, beverages, pharmaceuticals, semiconductors, and research institutes.
characteristic
1) A wide temperature and high brightness dot matrix LCD display with a large viewing angle, suitable for use in low light and low temperature environments;
2) Simple structure, small size, light weight, easy to carry, and flexible to use;
3) Intelligent human-machine dialogue operation interface, easy to understand and use;
4) Intermittent or continuous data storage, measurement data can be uploaded to a computer for secondary storage and processing;
5) Comes with a built-in USB interface, featuring self charging and data export functions;
6) Key parameter password protection to prevent non operators from accidentally operating the machine and ensure the basic performance of the instrument;
7) It has the function of storing and querying measurement data, operation, and calibration records, and can store 600 pieces of measurement data;
8) Continuous use time shall not be less than 40 hours;
Technical indicators
Instrument type | pH | ORP | conductivity | TDS | salinity | dissolved oxygen | ||
display | Dot matrix LCD display | |||||||
Range | (0.00~14.00) pH | (-1999~1999) mV | K=0.10 (3 range automatic switching) | (0.000~20.00) μS/cm (0.000~200.0) μS/cm | (0.00~2.00) g/L | (0.00~0.86) ppt | (0-20.00)mg/L,(0-20.0)% | |
K=1.00 (3 range automatic switching) | (0.000~200.0) μS/cm (0.000~2000)μS/cm | (0.00~20.00) g/L | (0.00~11.68)ppt | |||||
K=10.0 (3 range automatic switching) | (0.000~2000) μS/cm (0.000~20.00) mS/cm | (0.00~80.0) g/L | (0.00~80.0) ppt | |||||
resolving power | 0.01pH | 0.1 mV | 0.001μS/cm | 0.01mg/L | 0.01ppt | 0.01/0.1 mg/L | ||
Indication error | ±0.02pH | ±0.1%FS | ±1%FS | ±0.3 mg/L | ||||
Input impedance | ≥1×1012Ω | nothing | ||||||
Response time (T)90) | 90s | ≤30s(25℃) | ||||||
Temperature sensor | PT1000 | nothing | PT1000 | NTC | ||||
Measuring range | (0.0~99.9)℃ | (0.0~99.9)℃ | ||||||
temperature compensation | (0.0~99.9)℃ | (0.0~50.0)℃ | (0.0~45.0)℃ | |||||
Temperature measurement error | ±0.5℃ | ±0.5℃ | ||||||
Temperature measurement resolution | 0.1℃ | 0.1℃ | ||||||
data storage | 500 sets (number, date, measurement value, unit, temperature value) | |||||||
signal output | USB | |||||||
Water sample temperature | (5~50)℃ | (5~60)℃ | ||||||
ambient temperature | (5~45)℃ | |||||||
ambient humidity | ≤ 93% RH without condensation | |||||||
Storage and transportation temperature | (-25~55) ℃ (excluding electrodes, electrodes should be above 0 ℃) | (-25~55)℃ | ||||||
IP rating | IP67 dustproof and waterproof | |||||||
Power supply | 3 AA batteries (1.5V × 3), DC5V (USB interface) | |||||||
External dimensions | 170mm x 88mm x 33mm (height x width x thickness) | |||||||
Weight | 0.3kg | |||||||