I. Introduction JJ-6229 laboratory pH meter adopts embedded system design and integrates signal acquisition, data processing and display functions. It has a high degree of intelligence, accurate measurement, and convenient operation; it is widely used in the pH value of aqueous solution. Industries such as petrochemicals, food and beverages, and papermaking can also be used for teaching or scientific research in institutions of higher learning, research institutes, and so on.
Second, JJ-6229 laboratory acidity meter features:
192×64 dot-matrix LCD Chinese or English, multi-parameter display, rich content, easy to understand Adopt embedded system design, the fastest, highest precision, easy to expand the use of microelectronics technology, all SMT process, to achieve low Power consumption, improved cost-effectiveness and reliability Enhanced plastic enclosure, waterproof design, solid and robust reinforced plastic enclosure, beautiful and strong key parameters password protection, to prevent non-operators from misoperation of the machine, to ensure the basic performance of the instrument simple humane keyboard Design, operation fast, easy to understand Compensate temperature automatic measurement or manual input composite pH glass electrode, accurate measurement, rapid response with measurement data, operation, calibration record storage, query function;
Third, JJ-6229 laboratory acidometer technical indicators:
Display: 192×64 lattice liquid crystal, selectable display Chinese or English range: (0.00～14.00) pH
Resolution: 0.01pH
Basic error: ±0.02pH
Response time: 90% of the change in 1 minute
Temperature sensor: Pt1000
Temperature measurement range: (0.0～99.9)°C
Temperature measurement accuracy: ±0.5°C
Temperature Resolution: 0.1°C
Water sample temperature: (5 ~ 60) °C
Ambient temperature: (5 ~ 45) °C
Environmental conditions: Humidity: ≤ 90% RH (non-condensing)
Storage and transportation temperature: (-25 ~ 55) °C (excluding the electrode, the electrode is higher than 0 °C)
Power supply: AC (85 ~ 265) V, frequency (45 ~ 65) Hz
Power: ≤5W
Dimensions: 205mm × 210mm × 80mm (length × width × height)
Weight: 1.5kg
Four, JJ-6229 laboratory pH meter configuration transmitter a laboratory pH electrode one: the user chooses according to the need of pure water or ordinary water pH electrode standard temperature electrode a buffer two sets of electrode holder a standard power cord one root
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