Measuring & Analyzing Instruments

Technical Specifications Model: DO-201W Measuring Range Dissolved Oxygen (DO): 0 ~ 16.5mg/L Temperature (TEMP): 0 ~ 50℃ Accuracy DO: ±1.5% F.S (Full Scale) Temperature: ±1℃ Resolution DO: 0.1mg/L Temperature: 0.1℃ Control Setting Range DO: 0 ~ 16.5mg/L Temperature: 0 ~ 50℃ Operating Environment Ambient Temperature: 0 ~ 50℃, Humidity: less than 95%RH Display LCD digital display Overall Dimension 157mm × 165mm × 127.5mm Weight 700g

Minimum Order: 1 bags

1.This economical microprocessor-based handheld meter is equipped with a large customized LCD screen that delivers clear, easy-to-read readings. 2.The DO-510 supports dissolved oxygen measurement in two modes: percentage saturation mode and concentration mode. Built-in temperature compensation ensures highly accurate dissolved oxygen readings. Technical Parameters Measuring Range: 0.00~19.99mg/L, 0.0~255.0% Resolution: 0.01mg/L, 0.1% Accuracy: ±1.5% F.S (Full Scale) Temperature Compensation Range: 0~45℃ Power Supply: 9V battery Overall Dimensions: 123mm×72mm×33mm

Minimum Order: 1 bags

This series tachometer has moderate volume and high precision with digital display, easy to operate even in low-light environments. KL-005 Tachometer Measuring Range: 60 ~ 9999 r/min Measuring Distance: 5 ~ 40 cm Accuracy: ±(2×10⁻⁴×N + 1 digit) Display: 4-digit LED display Data Storage: Unlimited storage Operating Temperature: 0 ~ +50℃ Sampling Time: 1s, automatic repeated measurement Power Supply: AA dry batteries Weight: 300g (including batteries) Dimensions: 78mm × 38mm × 180mm KL-006 Tachometer Measuring Range: 20 ~ 50000 r/min Measuring Distance: 5 ~ 40 cm Accuracy: ±(2×10⁻⁴×N + 1 digit) Display: 5-digit LCD display Data Storage: Unlimited storage Operating Temperature: 0 ~ +50℃ Sampling Time: 1s, automatic repeated measurement Power Supply: AA dry batteries Weight: 300g (including batteries) Dimensions: 78mm × 38mm × 180mm

Minimum Order: 1 bags

Technical Parameters Model: KL-0071 Measuring Range: 30 ~ 99999 r/min Accuracy: ±(0.02%n + 1 digit) Measuring Distance: 5 ~ 150 cm Data Storage: Data remains stored until battery replacement Operating Temperature: 0 ~ 70°C Sampling Time: 1 second Power Supply: 3 × 1.5V AAA batteries Dimensions: 72mm × 136mm × 33mm Net Weight: 146g

Minimum Order: 1 bags

1.This instrument adopts LED indicator lights for clear, intuitive and accurate measurement with easy operation. 2.It is equipped with auto power on/off, automatic temperature compensation and replaceable sensor. Featuring moisture-proof, waterproof and heat-resistant performance, it is an easy-to-read tool for pH value measurement. Technical Specifications Model: KL-3385 Measuring Range: 2.1 ~ 10.8 pH Accuracy: ±0.1 pH Resolution: 0.1 pH Operating Temperature: 0℃ ~ 50℃ Automatic Temperature Compensation Range: 0℃ ~ 50℃ Power Supply: 3 AA dry batteries Dimensions: 415mm × 23mm Net Weight: 191g

Minimum Order: 1 bags

Product Overview The pH-20 pH Test Pen is a portable direct-read tester for fast pH acidity and alkalinity testing of liquids. Built with automatic temperature compensation (ATC), it turns on automatically once the probe touches liquid and shows real- time readings without complicated settings, extremely easy to operate. Equipped with a lightweight long probe, it fits wide usage scenarios: aquaculture farming, environmental water quality testing, beverage production, lab routine pH inspection and daily chemical liquid detection. It supports two-point buffer calibration to guarantee stable and accurate test results. Built-in auto power-off function reduces battery consumption, and it runs on replaceable AA batteries for long service life. The pH probe is resistant to limescale, grease and protein residue with simple daily maintenance, greatly extending electrode service life, perfect for daily frequent pH testing. Key Technical Specifications Parameter Specification Measuring Range 1.0～11.9 pH Testing Accuracy ±0.1 pH Resolution 0.1 pH Working Temperature 0℃~50℃ Automatic Temperature Compensation 0℃~50℃ Power Supply 2×1.5V AA Batteries Product Size 425mm × 39mm Net Weight 260g

Minimum Order: 1 bags

1.This nutrient tester is designed for hydroponics and agricultural use. It accurately measures the electrical conductivity (EC, unit: mS/cm) of nutrient solutions in water, and converts total dissolved solids (TDS) into parts per million (ppm). 2.Ideal for plants requiring high EC levels, this tester features an extended measuring range up to 6.0 mS/cm EC, 3000 ppm (500 ppm conversion scale) and 4200 ppm (700 ppm conversion scale). 3.Equipped with a titanium EC electrode and temperature sensor inside an IP67 waterproof floating housing, it supports stirring and testing at the same time.

Minimum Order: 1000

Range PH 0~14.00pH EC 0～9999μS/cm TDS 0~9999ppm Temp 0～50℃ Resolution PH 0.01PH EC 1μS/cm TDS 1 ppm Temp 0.1℃ Accuracy PH ±0.02PH EC ±2%F.S TDS ±2%F.S Temp ±1℃ Automatic temperature compensation 0℃～50℃ Battery 2×1.5V(AAA) Operating temperature 0℃～50℃ Automatic shut-down 8min Dimensions 210x40x25mm weight 100g

Minimum Order: 1 bags

Soil REDOX potentiometer is used to test REDOX potential data of fresh or wet soil and REDOX potential data in water on site. Soil REDOX potential is one of the comprehensive indicators of soil environmental conditions, reflecting the relative degree of oxidation or reduction of the medium, which has an important impact on the chemical and biological processes of soil. It is an important parameter for understanding soil properties and processes. Range ORP -999～999mV Temp 0～50℃ Resolution ORP 1mV Temp 0.1℃ Accuracy ORP ±5mV Temp ±1℃ Automatic temperature compensation 0℃～50℃ Battery 2×1.5V(AAA) Operating temperature 0℃～50℃ Automatic shut-down 8min Dimensions 207x32x36mm weight 85g

Minimum Order: 1 bags

Model PH-2022 Range PH 0.00～14.00PH& , lt; , br> Temp 0～50℃ Resolution PH 0.01P , H Temp 0.1℃ Accuracy PH ±0.02PH Temp ±0.1℃ Automatic Temperature Compensation 0℃～50℃ Battery Type 2×1.5V( AAA Batteries) Operating Temperature 0℃～50℃ Calibration 2 points with auto buffer recognition Dimensions 207 x 32 x 36 mm Weight 85g

Minimum Order: 1 bags

Model PH-06 Range PH 0.00～14.00PH Temp 0～50℃ Resolution PH 0.01P , H Temp 0.1℃ Accuracy PH ±0.02PH Temp ±0.1℃ Automatic Temperature Compensation 0℃～50℃ Battery Type 2×1.5V( AAA Batteries) Operating Temperature 0℃～50℃ Calibration 2 points with auto buffer recognition Dimensions 210 x 40 x 25 mm Weight 97g

Minimum Order: 1 bags

Description: •Compact construction •Easy operation •On-the-spot measurement •Easy to carry Model 009(II) pen-type pH meter uses combined pH electrode of high sensitivity, fast response, and good repetition as probe. With large liquid crystal digits display, the meter is reliable, stable, portable, and convenient to operate, especially for field measuring. It is praised by home and aboard. This product has been exported in batches. It is applicable to determine pH value of water solution in departments of medical treatment, environment protection, scientific research, college, swimming pool and mechanical plant etc. Specifications: Model PH-009(II) PH-009(II)A , Range 0.0~14.0pH Accuracy ±0.1PH Resolution 0.1PH Environment 0 ~ 50°C; RH≤95℅ Automatic Temperature Compensation 0～50℃ Battery Type 4×1.5V(AG13) Dimensions 170mm×36mm×23mm Weight 85g 105g Electrode fixed PH sensor BNC E-201

Minimum Order: 1 bags

Description: •Waterproof and designed to float •Automatic Temperature Compensation •Tactile grip casings •HOLD function The KL-096 PH meter is a professional high quality PH meter. The PH meter is sturdy, robust and easy to use. It works very accurate and has a micro processor and automatic temperature compensation. This is the right choice for a low price if you want to grow like an expert. Specifications: Measuri , ng range 0.00~14.00PH Accuracy

Minimum Order: 1 bags

Descriptions: Folding design feature to use expediently Replaceable pH electrode Clear LCD display featuring both pH, temperature and humidity The KL-0101 offers increased accuracy when measuring solutions at different temperatures as it automatically measures the temperature and compensates the pH reading accordingly. Specifications: Range PH 0.00～14.00PH Temp -5～50°C RH 10%～99%RH R , esolution PH 0.01PH Temp & , lt; , br>0.1°C RH 1%RH Accuracy , PH ±0.1PH Temp ±1° , C RH ±5%RH Automatic Temperature Compensation 0 ~ 50°C Power Supply 4 x 1.5V(AG13) Environment 0 ~ 50°C Dimensions 156mm×55mm×23mm Weight 95g

Minimum Order: 1 bags