Atago India Instruments Pvt. Ltd. Manufactures Compact and Portable Digital pH Meter. Atago India Instruments Pvt. Ltd. Is an ISO 9001 certified company. The Compact and Portable Digital pH Meter is easy to use. It has a compact, portable design and is water resistant so it can be cleaned under running water and submersed into water without any negative effects. The Compact and Portable Digital pH Meter has an Automatic Temperature Compensation mechanism that functions from 0 to 50 Deg C. The Compact and Portable Digital pH Meter is perfect for many different applications including food and beverage production control, brewing and fermentation, soil and hydroponics, cutting oils, alkali washing liquids, and other soluble solutions.