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Description:   PH-618  Portable Digital PH Pen Meter Automatic Correction Water Quality Analysis Tester for Aquarium Specification: Range: pH 0.00-14.00, Temperature 0°C-50°C (32°F-122°F) Resolution: 0.01PH, Temperature 0.1°C (0.2°F) Accuracy: ±0.1pH, Temperature ±1.0°C Battery: 4 ×1.5V (AG-13) Temperature Compensation: 0°C~50°C Operating Temperature: 0°C~50°C Dimensions: 188mm × 35mm × 35mm Weight: 80g Package includes: 1 x PH-618  Portable Digital PH Pen Meter Details pictures:

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Email sms or whatsapp only never used, opened - never got around to use, cd with software, pen and everything included, no original box worth R IntelliPen Digital Pen Wired Transform your notes to text with handwriting recognition software. Share drawn/written files on regular paper, all without the need for interactive paper or a tablet.

do make me a realistic offer!!! Email sms or whatsapp only never used, opened - never got around to use, cd with software, pen and everything included, no original box worth R IntelliPen Digital Pen Wired Transform your notes to text with handwriting recognition software. Share drawn/written files on regular paper, all without the need for interactive paper or a tablet.

Digital LCD TDS Water Quality Meter Tester Filter Purity Pen Stick 0-9999 PPM    Specifications: 1.Measurement range: EC:0—9990Ous/cm;  TDS:0-9990ppm;  Dearees Celsius: 0.1-80.0 Celsius;  Fahrenheut:32.0-176.0  Accuracy: ±2% 2.Size: 154mm*30mm*14mm 3.Color: White Features: 1.This is a digital TDS meter tester to test the filter water quality purity, to check the performance of your water filter, to check for hardness (1grain=17ppm),to make sure you always drink pure water.Saves measurements for convenient reading and recording New Arrival 2.Auto-off function: turns off meter after 5 minutes of non-use to conserve batteries 3.Automatic temperature compensation 4.Shift between TDS and Conductivity 5.Can be used in: Water purifiers and filters, food(vegetable, fruit)&drink quality monitoring, pools and spas, aquarium, hydroponics   How to use it: 1,Please unplug the electrode sleeve before use 2.Press the switch,place the electrode into the test  solution. 2.After the numerically stable,press the HOLD button and take it out of the solution to read. 4,After reading,turn off the meter,wipe clean the electrode  before sleeving it.   Note: 1.keep the electrode clean,cover the electrode protective sleeve,please take out the batteries for long periods idle. 2.This product requires a 3V CR2032 button battery, but We  do not provide it,please kindly note. Package included: 1 X Water Quality Tester 1 X User Manual 1 X Free Leather Bag

Description:   Digital LCD TDS TEMP PPM Meter Tester Filter Pen Stick Water Quality Purity   Features:    1.This is a digital TDS meter tester to test the filter water quality purity, to check the performance of your water filter, to check for hardness,to make sure you always drink pure water.Saves measurements for convenient reading and recording New Arrival. 2.Auto-off function: turns off meter after 5 minutes of non-use to conserve batteries. 3.Automatic temperature compensation 4.Gold-plated chip performances more stable. 5.Can be used in: Water purifiers and filters, food(vegetable, fruit)&drink quality monitoring, pools and spas, aquarium, hydroponics 6.LCD reading is convenient and easy.   Specification:   1. Type: Portable Water Quality Tester TDS-3P 2. Display: LCD Digital 3. Test Range: TDS:0-9990 PPM 4. Test Precision: ±2% 5. Battery: 3 V * 1 button battery 6. Environment temperatuer: 0 ~ 80°C 7. Size: 148*30*20mm/5.9*1.2*0.8'' 8. Test Items: Heavy metals, total hardness, detecting water temperature 9. Applicable industry: Swimming pool, water laboratory, the CDC, the aquaculture industry, hospitals, household water, drinking water, aquarium. 10. Color: Blue How to use it: 1.Please unplug the electrode sleeve before use 2.Press the switch,place the electrode into the test Note: 1.keep the electrode clean,cover the electrode protective sleeve,please take out the batteries for long periods idle. 2.This product requires a 3V CR2032 button battery.   Package includes:    1 x Water Quality Tester 1 x Battery(Included in tester) 1 x Leather Storage bag 1 x English User Manual   Details pictures:   

Description: Digital LCD Display AC/DC Electric Voltage Tester Alert Test Pen Detector Sensor   This meter is applicable to directly measure AC/DC voltage ranging from 12 to 250V and indirectly detect null line, phase line and continuity of AC/DC voltage. Besides, it can also be used to test the continuity of non-conductor.   Features:    1. 100% brand new and high quality. 2. Perfect for home, shop, garage, automotive, motorcycles, boats, personal watercraft, snowmobiles 3. Suitable for identifying live wires, broken wires and fault finding1. All operations work by two buttons 4. Soft handle for comfortable and easy grips 5. Digital LCD display 6. Engineering plastic shell Specification: Size: 12.7 x 1.6 x 1.1cm Color: Yellow, Red (Note: the color of this product will be send randomly)   Package includes:    1 x Voltage Tester Volt Alert Test Pen Detector   Details pictures:     

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