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{"title":"Handheld TDS Water Testing Meter , Electronic Ph Meter With 1 Point Calibration","imgUrl":"https:\/\/img.chinax.com\/nimg\/fc\/0a\/d9635f90a0fa0f74e5f5342838e6-200x200-1\/handheld_tds_water_testing_meter_2c_electronic_ph_meter_with_1_point_calibration.jpg","attrs":{"Brand Name":"YIERYI","Model Number":"ORP-986","Certification":"CE","Place of Origin":"China"}}
{"title":"High Accuracy Pen Type Water Quality Meter With 4 Digits LCD Display","imgUrl":"https:\/\/img.chinax.com\/nimg\/dd\/a3\/c70763d40b64331fd190a0ce3151-200x200-1\/high_accuracy_pen_type_water_quality_meter_with_4_digits_lcd_display.jpg","attrs":{"Brand Name":"Yieryi","Model Number":"ORP-2069","Certification":"CE","Place of Origin":"China"}}
{"title":"3 In 1 Plastic Water Quality Meter Measurement Tool With 0\u20145000ppm Conductivity","imgUrl":"https:\/\/img.chinax.com\/nimg\/c4\/26\/6443ec4e45310627a71a40ab7f24-200x200-1\/3_in_1_plastic_water_quality_meter_measurement_tool_with_0_e2_80_945000ppm_conductivity.jpg","attrs":{"Brand Name":"YIERYI","Model Number":"TPH01601","Certification":"CE","Place of Origin":"China"}}
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{"title":"IP64 Wifi Temperature Data Logger GPRS Wireless Remote Humidity Monitor","imgUrl":"https:\/\/img.chinax.com\/nimg\/be\/98\/2230de1060ade650799cca504479-200x200-1\/ip64_wifi_temperature_data_logger_gprs_wireless_remote_humidity_monitor.jpg","attrs":{"Brand Name":"Elitech","Model Number":"RCW-360","Certification":"RoHS,CE","Place of Origin":"China"}}
{"title":"Multi-Parameter Digital Water Analyzer pH\/EC\/TDS\/CL\/ORP\/Temp Meter Smart 6-in-1","imgUrl":"https:\/\/img.chinax.com\/nimg\/89\/e8\/44802f23dbb509075431109c671a-200x200-1\/multi_parameter_digital_water_analyzer_ph_2fec_2ftds_2fcl_2forp_2ftemp_meter_smart_6_in_1_water_quality_tester_for_swimming_pool.jpg","attrs":{"Brand Name":"yieryi","Model Number":"BLE-YC01","Place of Origin":"china","Minimum Order Quantity":"50"}}
Professional water quality testing instrument for residual chlorine detection in waterworks, industrial facilities, and swimming pools. Compact, portable design with easy operation for reliable water quality control.
Key Features
Measuring Range: 0 - 5 mg/L
High Resolution: 0.01 mg/L
Excellent Repeatability: 1%
Low Linearity Error: ±5% FS
Compact and Portable Design
Easy to Operate
Technical Specifications
Parameter
Specification
Detectable Items
Residual Chlorine
Measuring Range
0 - 5 mg/L
Resolution
0.01 mg/L
Repeatability
1%
Linearity Error
±5% FS
Power Supply
AC Adapter (DC 5V / 0.1A)
Model Number
ZYL
Place of Origin
Guangdong, China
Brand Name
yieryi
Operating Conditions
For optimal performance, operate in a dry room environment on a flat, stable workbench free from vibration. Avoid strong indoor lighting and direct sunlight.
Measurement Methodology
Utilizes pure water for zero-point calibration. Requires preparation of Reagent A and Reagent B solutions. Samples turn red after reagent addition and must be measured within 3 minutes. Turbid samples require filtration; colored samples cannot be measured.
Reagent Preparation
Reagent A: Dissolve one pack in pure water to 500mL total volume
Reagent B: Dissolve one pack in pure water, add Reagent H solution, then dilute to 250mL
Storage: Prepared reagents must be stored in dark at 4-8°C
Product Images
Packaging & Delivery
Professional, environmentally friendly, convenient and efficient packaging services provided to ensure the safety of your goods.
Manufacturer Profile
Professional factory established in 2016, specializing in pH meters, various refractometers (brix, beer, salinity), soil pH meters, and moisture meters.
Frequently Asked Questions
Who are we?
Based in Guangdong, China since 2016. We export to Western Europe (60%), North America (10%), Africa (10%), Eastern Europe (10%), and South America (10%). Our team consists of 11-50 professionals.
How do we guarantee quality?
Pre-production samples before mass production and final inspection before shipment ensure consistent quality control.
We provide excellent quality, best service, and competitive pricing.
What services do we provide?
Accepted delivery terms: FOB, CIF. Accepted payment: USD via T/T, PayPal, Western Union. Languages: English, Chinese, Japanese.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter
Year Established:
2012
Total Annual:
1 Million-2.5Million
Ecer Certification：
Verified Supplier
Shenzhen Yieryi Technology Co., Ltd Company Profile
Company Overview
Shenzhen Yieryi Technology Co., Ltd was established in 2012 and is located in the Economic Development Zone of Shenzhen City, Guangdong Province. Leveraging our superior geographic location, convenient transportation facilities, ou... Shenzhen Yieryi Technology Co., Ltd Company Profile
Company Overview
Shenzhen Yieryi Technology Co., Ltd was established in 2012 and is located in the Economic Development Zone of Shenzhen City, Guangdong Province. Leveraging our superior geographic location, convenient transportation facilities, ou...
