Calibration powder:pH standard solid substance. It can be used after adding water. Suitable for calibrating any type of ph meter. Each package needs to prepare 250ML of purified water.

Features:

• Excellent meter, very accurate and durable.
• With protective plastic case and calibration screwdriver.
• An ideal instrument for aquarium, fishing industry, swimming pool, school laboratory, food & beverage etc.
• The mini size ph meter we designed allows you to easily put it in your pocket, so you can take measurements anytime, anywhere. It can help you test it whether you take it to the pool, on a trip, to the beach or camping.
• As a tool to improve the quality of life. Can be used to test drinking water, swimming pools, PH balance in aquarium, RO system, spa or hydroponics. Basically all the environments that need to test PH value can use this tester to get accurate data.
• turn on the switch, put the probe into the water and stir (make the small glass ball fully contact the liquid) and the value can be read when the value is stable.
• There is no need to care about the temperature of the liquid being measured. The PH meter has an automatic temperature compensation function, which can be adjusted according to the water temperature and water quality.

Specifications:

• Measuring pH Range: 0.0 - 14.0 pH
• Resolution: 0.1 pH
• Accuracy: ±0.1 pH (at 20°C/68°F), ±0.2 pH
• Operating Temperature: 0 - 50°C (32 - 122°F)
• Calibration: Manual, 1 point
• Relative Humidity:
• Life: Approx.700 hours of use
• Size: 152mm x 30mm x 15mm (5.9x1.2x0.6")
• Trimming: By potentiometer
• Battery: Need 4x1.5v (LR44 button battery)

Package Includes:

• 1 x Digital PH Meter Tester Pen
• 1 x Calibration Adjustment Screwdriver
• 1 x User Instruction Manual (English)