pH meter PH-2011 ATC with calibration solution

Technical parameters:

PH measuring range: 0.0 – 14.0 pH
Resolution: 0.01 pH
Accuracy: ± 0.1 pH (20 ° C)
Automatic temperature compensation 0–50 ° C
Operating temperature: 0–50 ° C (32 to 122 ° F)
Calibration: manual 1 point
Power supply: 6 V (4 × button battery LR44) not included (AG13,357A, LR1154, GP357) alkaline
Dimensions: 150 × 30 × 15mm
Weight: 65 g

Package contents:
1 × pH meter
1 × screwdriver
2 × calibration (4.0 and 6.86pH) – Buffer

Calibration:
– Dissolve the contents of the Buffer pH 4.0 bag in 250 ml of distilled water – container1
– Calibrate according to the pH value on the bag using a screwdriver on the back
– Dissolve the contents of the Buffer bag pH 6.86 in 250 ml of distilled water – container2
– Calibrate according to the pH value on the bag using a screwdriver on the back until the value on the LCD is equal to the value on the bag (pH 4.00 or pH 6.86)

Notice:
Supplied without batteries.
A white coating may appear on the product, this is the remainder of the calibration solution from the output control.