The KELILONG stick measures the nutrient strength of a solution. It is essential when growing hydroponics to know what the strength of the solution is before feeding your plants and while they are growing. The KELILONG stick is the perfect all-around cond

Measuring range PH 0.00～14.00PH ℃ －5～50℃ RH 10%～99%RH Resolution PH 0.01PH ℃ 0.1℃ RH 1%RH Accuracy PH ±0.1PH ℃ ±1℃ RH ±5%RH 　　Automatic Temperature Compensation: 0℃

Large and easy-to-read LCD*Replaceable pH electrode*Waterproof design*Data holdTechnical Specification Model KL-03(III) Measuring range 0.00~14.00PH Accuracy ±0.1PH Resolution 0.01PH Operating Temperature 0℃~50℃ Automatic Temperature Compensa

Technical Specification:Range：0.00-14.00PHResolution：0.01PHAccuracy：±0.1PHTemperature Compensation： 0℃～50℃Power Supply：2×3V（CR2032 Battery）Operating Temperature：0℃～50&

Large and easy-to-read LCD *Waterproof design *Data hold Technical Specification: Measuring range 0.00~14.00PH Accuracy ±0.1PH Resolution 0.01PH Operating Temperature 0℃~50℃ Automatic Temperature Compensation 0℃~50℃ Power Supply

With special compound pH electrode as probe and three digits liquid crystal display, is easy for operating. It is praised in home and aboard for its cheap price and portability. It is also called pocket pH meter or precision pH reagent paper. This product

Model S40A (3*40A, 3*150V) has large LCD display and panel control facilities. No external PC is required. It can easily test many types of relays, including distance relay, df/dt relay.The rotating mouse and quick touch buttons make the operation very ea

Model T200A (250Aac, 500Vac, AC/DC current) can be used to test many types of relays, including high burden relay and CT. Operation is easy, no much training is required.(Secondary injection test set, Relay tester, single phase relay test set, universa

Model PW460 (6*15A, 4*300V) can test all types of protective relays, including differential and distance relay.Further features include IEC61850 interface, analog recording unit, external amplifier, GPS control, energy meter and transducer test.(3 phase r

Features:1, Sealed structure2, High capacity 3, Long service life4, Low self-discharge5, Reliability 6, Optimized design7, More deep cycle timesApplications:1, Telephone switchboard, electric equipments, medical equipments and instruments and meters 2, Co