Product DescriptionThe 7 in 1 meter is an economically priced, reliable pH meter (aka pH pen or pH tester) that is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water, boilers and more.The COM-600 measures PH,TDS,TEMP,EC,Salinity,SG,ORP.Features include Supports 3-point calibration automatic identification ,water resistant body, simultaneous temperature display, sleek, lightweight design, a large LCD display, Automatic Temperature Compensation (ATC),Display support backlight, data-hold function and low-battery indicator.FeatureMeasuresPH,TDS,TEMP,EC,Salinity,SG,ORP.Calibration Conductivity EC: Supports 3-point calibration automatic identification (1413us 12.88ms and 111.8ms) with 3 calibration points (1413uS/cm 12.88mS/CM 111.8mS/CM) pH: 1 point (6.86) or 2 points (6.86 4.00) ) (6.86 9.18) or 3 points (6.86 4.00 9.18) can automatically identify the calibration solutionWaterproof rating: IP67Sleek, lightweight designLarge LCD displayDisplay support backlightAutomatic Temperature Compensation (ATC)data-hold function and low-battery indicatorPower consumption 2.9 mA, power consumption is 0The accuracy within 150ppt is relatively accurate, and the deviation above 160ppt is large.Automatic shutdown :5 minutesSpecificationEC   Measurement range: 0 -10000uS/cm ,10.01-19.99mS/cm, 20.1-400.0mS/cm(10.1-             200.0mS/cm is effective range)Resolution: 1 uS/cm; 0.1 mS/CM;Accuracy: ±2% F.S. of readingTDSMeasurement range: 0-1000ppm ,1000ppm-10000ppm ,10.1- 200.0ppt(10.1-                 100.0ppt is effective range)Resolution: 1ppm; 0.1pptAccuracy: ±2% F.S. of readingSalinityMeasurement range: 0.01% - 25.00%,0-10000ppm,10.1-200.0pptResolution:1ppm;0.1ppt; 0.01%Accuracy:0.01%-5.00% (±0.1%) ;5.1%-25.00% (±1%);±2% F.S.PHMeasurement range: 0.01-14.00pHResolution: 0.01pHAccuracy: ±0.05pHORPMeasurement range: 0~±999mVResolution: 1mvAccuracy: ±2mvS.G:Measurement range: 1.000~1.222Working environment: 0 - 60.0 ° C (32.0-140 ° F); RH 100%TDS factor: 0 .4 - 1.0Temperature range: 0-60.0 °C 32.0-140 °FTemperature accuracy: ±0.5°CTemperature resolution: 1 °C / °FPower source: 3x1.5V( LR44 not included )Display size: 33*24mmSize: 183*37*37mm (7.2*1.5*1.5in) ABS
