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Bluetooth PH Meter 3 IN 1 HEDAO Bluetooth PH TDS TEMP Tester with 5-point Calibration BLE-9901
Bluetooth PH Meter
Note: Blue tooth is backlit and non-backlit integrated,
When your smartphone is not available, the product can be used as a classic tester
Range :
pH: 0.00~14.00pH
TEMP: 0.1-60.0°C; 32.0-140.0℉
TDS:0~9999ppm
R...Read More
Bluetooth,Blue tooth,3 in 1 
Sound Level Meter Digital Sound Level Meter 30-130dBA Noise Meter
Digital Sound Level Meter 30-130dBA Noise Meter with five languages(English/Italian/German/spanish/French)
Feature
The appearance design of digital sound level meter is novel, small and portable.The digital sound level meter is applicable for measurement of noise engineering quality control, hea...Read More
bluetooth 
Anemometer Digital Anemometer
Feature
1. Simultaneously measure wind velocity and temperature
2. Switch among maxaverage/current wind velocity
3. Two temperature units: °C
4. Five wind velocity units: m/s, Km/h, ft/min, Knots, mph
5. Beaufort scale
6. Holding data
7. LCD backlight display
8. Manual/Auto powering off
...Read More
bluetooth 
