ATC DIGITAL PH TESTER METER POCKET PEN AQUARIUM POOL WATER IN KARACHI

Features:  For this PH TESTER, it does not includes calibration liquid,the one you get maybe not accurate,In order to ensure the accuracy of this item pls make  calibration when you get the parcel  100% BRAND NEW! Weight: 65g Size: 15 x 3 x 1.5 cm Excellent meter, very accurate and durable Measuring pH Range: 0.0 - 14.0 pH Resolution: 0.1 pH Accuracy: ±0.1 pH (20°C), ±0.2 pH Operating Temperature: 0 - 50°C (32 - 122°F) Calibration: manual,1 point This digital pen style pH meter is an ideal instrument for aquarium, fishing industry, swimming pool, school laboratory, food & beverage etc. Please calibrate with the buffer solution before use. Package Content: 1 x pH meter 1 x screw driver 3 x AG 13 button cell batteries  2 pouches of calibration buffer solution (4.0 & 6.86) 1 x instruction manual (English)