(DIGITAL TDS WATER TESTER METER) :- Testing the filter water quality purity, check the performance of your water filter, check for hardness (1grain=17ppm), make sure you always drink pure water. Features: 100 percent brand new and high quality. This item can be used in water purifiers and filters, food (vegetable, fruits) drink quality monitoring, pools and spas, aquariums, hydroponics. Hold Function: Saves measurements for convenient reading and recording. Auto-off Function: Turns off meter after 10 minutes of non-use to conserve batteries. Dual Range: Measures form 0-999ppm, with a resolution of 1ppm. From 1,000 to 9,990ppm, the resolution is 10ppm, indicated by drinking x 10 image, factory calibrated. Range: 0-9990ppm. Accuracy: +/-2 percent. Battery: 2 x 1.5V button cell battery (included). Note: Do not drop the entire TDS meter in water of dip beyond the maximum immersion level. This unit is not water-tight and is not covered under the warranty if water enters the unit. Item size:155 millimeter x 28 millimeter x 15 millimeter. Weight: 68 gram. Package Included: 1 TDS meter tester. #productDescription { color: #333333; word-wrap: break-word; font-size: small; line-height: initial; margin: 0.5em 0px 0em 25px;}#productDescription_feature_div > h2.default { color: #CC6600; font-size: medium; margin: 0 0 0.25em;}#productDescription_feature_div > h2.books { color:#333 !important; font-size:21px !important; line-height: 1.3; padding-bottom: 4px; font-weight: normal; margin: 0px;}#productDescription_feature_div > h2.softlines { color:#333 !important; font-size:21px !important; line-height: 1.3; padding-bottom: 4px; font-weight: bold; margin: 0px;}#productDescription > p, #productDescription > div, #productDescription > table { margin: 0 0 1em 0;}#productDescription p { margin: 0em 0 1em 1em;}#productDescription h3 { font-weight: normal; color: #333333; font-size: 1.23em; clear: left; margin: 0.75em 0px 0.375em -15px;}#productDescription table { border-collapse: inherit !important; margin-bottom: 0;}#productDescription table img { max-width: inherit !important;}#productDescription table td { font-size: small; vertical-align: inherit !important;}#productDescription ul li { margin: 0 0 0 20px;}#productDescription ul li ul { list-style-type: disc !important; margin-left: 20px !important;}#productDescription ul ul li { list-style-type: disc !important; margin-left: 20px !important;}#productDescription > ul ul li { list-style-type: disc !important;} #productDescription ul li ul li { margin: 0 0 0 20px;}#productDescription .aplus p { margin: 0 0 1em 0;}#productDescription small { font-size: smaller;}#productDescription.prodDescWidth { max-width: 1000px} [THIS A DIGITAL TDS METER TESTER] :- for test the filter water quality purity, check the performance of your water filter, check for hardness (1grain 17PPM), make sure you always drink pure water. [TAKING TEMPERATURE MEASUREMENT] :- 1. Once the meter is on, the temperature function can be used at any time, in or out of liquid. 2. Press the TEMP button. The display will switch to temperature (in Celsius only). 3. To return to TDS mode, press the TEMP button. [CLEAR DISPLAY] :- The quick results tells you about the water/solution in a way which is easy to read and understand from the large display screen. [STRANDED SCALE] :- Taking temperature measurements once the meter is on, the temperature function can be used at any time, in or out of liquid. Press the temp button and display will switch to temperature which shows temperature in celsius when wish to return to TDS mode, press the TEMP button. [MULTI-FUNCTIONAL] :- Instrument Easy calibration of total dissolved solids (TDS), temperature (temp) and parts per million (PPM) in home or office, swimming pools, aquariums, ponds, fresh water sources from creeks, rivers, wells, rain water storage, greenhouse, garden or horticulture, camping or travelling. › See more product details