AcuRite 00613 Humidity Monitor with Indoor Thermometer, Digital Hygrometer and Humidity Gauge Indicator

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Steps:
1: Turn on pH meter, Clean the electrode in distill water
2: Immerse the electrode in pH 6.86 standard buffer solution
3: Reset with screwdriver, until the display digital is 6.86pH. Then complete pH 6.86 calibration
4: Clean the electrode in distill water and dry it, immerse the electrode in Ph 4.00 standard buffer solution
5: Reset with screwdriver, until the display digital is 4.00pH. Then complete pH 4.00 calibration
6: Clean electrode and dry it, put the meter into PH 9.18 standard buffer solution. Check if reading is correct between 9.17-9.19pH
Specifications :
Measuring range: 1-14 pH
Resolution: 0.1 PH
Batteries: 4x 1.5V LR44 button cell (AG13)
Adjustment: trimmer potentiometer
Automatic temperature compensation: 0-50Â°C (32-122Â°F)
Dimensions: 151mm-33mm-20mm
Weight: 53g
Package includes :
1 x pH Meter
1 x Carrying case
1 x Adjustment screwdriver
2 x Calibration packets
1 x User's manual

Great for home and laboratory pH testing applications, included aquariums, swimming pools, tap water
Large LCD screen, glass probe, 0.05pH readout accuracy, 0.01 Resolution, easy to read in the dark
Use for home and laboratory pH test, include pool SPA, drinking water, Biochemistry experiment
Full measure range of pH 0-14, 0.05pH highly accuracy; reliable and quick readings on Backlight LCD
The electrode can be used in particularly taxing conditions and remain accurate for a long time.

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