Digital Portable Residual Chlorine Tester Water Quality Detection Meter Chlorine Detector Analyzer ▲Feature: ▲1. The measurement data can be displayed on the screen directly, so as to control the residual chlorine of the water to reach the specified water quality standard. ▲2. The principle of spectrophotometry colorimetry is adopted to facilitate the reagent, and the reading can be made after ten seconds of reaction. ▲ 3. This residual chlorine detector is made of high-quality ABS material, durable, wear-resistant, corrosion-resistant, and can be used at ease. ▲4. It is applicable to the detection of residual chlorine concentration of domestic or industrial water in large, medium and small water plants, industrial and mining enterprises, swimming pools and other places. ▲ 5. High accuracy, stable and reliable performance, small size, suitable for portable use. ▲Specification: Condition: 100% Brand New Item ▲Type: Residual Chlorine Tester ▲Material: ABS ▲Measuring Range: 0-5mg/L ▲ Power Voltage: DC 5 x 1.5V AA Battery (Battery Not Included) AC 220V/50Hz/DC7.5V/0.2A ▲Resolution: 0.01mg/L Repeatability: 1% ▲Linearity Error: ± (5% FS + 1 Word) ▲Product Size: Approx. 20.7x7x6.2cm / 8.1x2.8x2.4in ▲Package List: 1 x Residual Chlorine Tester (Battery Not Included) 2 x Sampling Dish 1 x Sampling Dropper 1 x Adapter 1 x Cover 1 x PH Test Paper 1 x Instruction Manual 1 x Aluminum Suitcase