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5 In1 High-Precision Portable Salinity pH Water Tester Pen

5 In1 High-Precision Portable Salinity pH Water Tester Pen

US $ 8.9-13.27 / Piece FOB
2 Pieces (MOQ)
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Main Products: Sensor, Instrument
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Henan Bingsheng Industrial Co., Ltd.

Manufacturer/Factory & Trading Company

Henan, China Since 2025
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DC-665BP Banknote tester money detector pen Low Price currency Detector Pen Multi-currency

DC-665BP Banknote tester money detector pen Low Price currency Detector Pen Multi-currency

US $ 0.19-0.23 / Piece FOB
1 Piece (MOQ)
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Structure : Electronic Circuit
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EB International Group Limited

Liaoning, China Since 2018
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Diabetic Diagnostic Sensory Neuropathy Tester Foot Nerve Thermometer Pen Endocrinological Diabetes Tip Therm Warm Cold Test Tool

Diabetic Diagnostic Sensory Neuropathy Tester Foot Nerve Thermometer Pen Endocrinological Diabetes Tip Therm Warm Cold Test Tool

US $ 6 / Piece FOB
1,000 Pieces (MOQ)
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Main Products: Aneroid Sphygmomanometer, Stethoscope, Digital Thermometer, Tourniquet
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Wenzhou Caretek Medical Device Co.,Ltd

Trading Company

Zhejiang, China Since 2006
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5ml 8ml 10ml 15ml Plastic Mist Perfume Tester Spray Pen

5ml 8ml 10ml 15ml Plastic Mist Perfume Tester Spray Pen

US $ 0.05-0.08 / Piece FOB
10,000 Pieces (MOQ)
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Spraying Shape : Liquid Column
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YUYAO YIHE COMMODITY CO., LTD.

Zhejiang, China Since 2020
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10mW 20mW 30mW Fiber Optic Tester Fiber Optic Test Laser Pen with batteries

10mW 20mW 30mW Fiber Optic Tester Fiber Optic Test Laser Pen with batteries

US $ 0.25-0.3 / Piece FOB
1,000 Pieces (MOQ)
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Main Products: Alarm Cable, Fire Alarm Cable, Speaker Cable, Coaxial Cable, Security Cable, Fire Resistant Cable, HDMI Cable, PV Solar Cable, Telephone Cable, Optical Cable
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NINGBO EXACT CABLES & WIRE CO., LTD.

Zhejiang, China Since 2020
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Non-Contact AC Voltage Tester Pen for Live/Null Wire Judgment

Non-Contact AC Voltage Tester Pen for Live/Null Wire Judgment

US $ 7.2-8.8 / Piece FOB
1 Piece (MOQ)
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Usage : Meter for Industry and Home Use
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Shenzhen Yowexa Measurement Technology Co., Ltd.

Guangdong, China Since 2015
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5-30 Kilometers Visual Fault Locator Tester Fiber Optic Red Light Pen Vfl

5-30 Kilometers Visual Fault Locator Tester Fiber Optic Red Light Pen Vfl

US $ 10-22.5 / Piece FOB
2 Pieces (MOQ)
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Main Products: Fiber Optic Equipments, LAN Network Equipments, Base Station Telecom Equipments, Precision Manufacturing, PDU UPS & Power Station, Rack Cabinet & Rack Mount Solutions, Copper & Fiber Optic Connectivity, Cabling Tools & Tester, Communication Accessories, Computer Audio Video Accessories
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Ningbo Chung Kung Precision Machinery Co., Ltd.

Zhejiang, China Since 2024
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Portable Salinity Tester Pen with High-Precision Measurement Features

Portable Salinity Tester Pen with High-Precision Measurement Features

US $ 8.9-13.27 / Piece FOB
2 Pieces (MOQ)
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Henan Bingsheng Industrial Co., Ltd.

Manufacturer/Factory & Trading Company

Henan, China Since 2025
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Highly Quality Tester Filter Pen for Drinking Water TDS Meter

Highly Quality Tester Filter Pen for Drinking Water TDS Meter

US $ 0.9-1 / Piece FOB
50 Pieces (MOQ)
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Main Products: LED Grow Lights, Ec Tt Inline Fan, Double Ended 1000W Light Fixture, Digital Ballast 600W, LED 1000W Bar Fixture Grow Light, HPS/Mh Grow Light Bulbs, CMH315W Light Fixture, Wall Fan, LED Grow Light Quantum Board, LED Grow Light Gavita 1930e
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PUTIAN BELTRI INC.

Fujian, China Since 2022
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195mm 100V-500V Professional Test Pencil Screwdriver Voltage Tester Pen

195mm 100V-500V Professional Test Pencil Screwdriver Voltage Tester Pen

US $ 0.4-0.6 / Piece FOB
360 Pieces (MOQ)
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Application Age : Adult
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ShunDe Jiatian Hard Tool Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2019
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TDS Meter 5031 Pen Total Dissolved Solids Test Pen Water Quality TDS Tester

TDS Meter 5031 Pen Total Dissolved Solids Test Pen Water Quality TDS Tester

US $ 46.96-58.72 / sets FOB
1 sets (MOQ)
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Main Products: Colony Counter, Quanti-Tray System, Ultrapure Water Systems, Laboratory Centrifuges, Water Quality Analyzers, Laboratory Balances, Magnetic Stirrer, Glass Reactor
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Shanghai Haiker Environmental Protection Equipment Co., Ltd

Trading Company

Shanghai, China Since 2024
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Brake Fluid Liquid Tester Pen with 5 LED Indicators Calibrated for DOT3 DOT4

Brake Fluid Liquid Tester Pen with 5 LED Indicators Calibrated for DOT3 DOT4

US $ 1.5-3 / Piece FOB
5 Pieces (MOQ)
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Standard : Standard
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Shaoxing Schiller Import and Export Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2020
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Hardness Tester Newton Pen

Hardness Tester Newton Pen

US $ 240 / piece FOB
1 piece (MOQ)
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Main Products: Paint Thickness Meter, Coating Thickness Gauge, Roughness Tester, Hardness Tester, Moisture Meter, Vibration Meter, Tension Tester, Window Tint Meter, Glossmeter, Anemometer
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Guangzhou Amittari Instruments Co., Ltd.

Guangdong, China Since 2019
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140mm Professional Test Pencil Screwdriver Voltage Tester Pen (FXT-07)

140mm Professional Test Pencil Screwdriver Voltage Tester Pen (FXT-07)

US $ 0.5 / Piece FOB
12,000 Pieces (MOQ)
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Handle Color : Pure
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Suzhou Foxmax Tools Co., Ltd.

Jiangsu, China Since 2010
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DC-1379B1C Promotion Gift Money Detector Banknote Tester Pen with UV Light portable

DC-1379B1C Promotion Gift Money Detector Banknote Tester Pen with UV Light portable

US $ 0.6-0.72 / Piece FOB
1 Piece (MOQ)
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Main Products: Banknote Banding Machine, Currency Counter, Money Detector, Coin Counter, Paper Tape, Cash Counter, Counterfeit Detection, Coin Sorter, Counterfeit Detector, Money Counting Machine
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EB International Group Limited

Liaoning, China Since 2018
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Reliable Compact Water Tester Pen for Home Drinking Water Testing

Reliable Compact Water Tester Pen for Home Drinking Water Testing

US $ 11.26-13.14 / Piece FOB
5 Pieces (MOQ)
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Portable : Portable
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Henan Bingsheng Industrial Co., Ltd.

Manufacturer/Factory & Trading Company

Henan, China Since 2025
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Promotion Gift Money Checker Counterfeit Detector Banknotes Tester Pen

Promotion Gift Money Checker Counterfeit Detector Banknotes Tester Pen

US $ 0.11-0.32 / Piece FOB
1 Piece (MOQ)
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Main Products: Mobile Phone Accessories, Computer Accessories, Consumer Electronics, Cable & Networking, Lights & Lighting, Electrical Supplies, Auto Accessories, Security & Protection, Outdoor Accessories, Pomotional Gift
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Shenzhen Dowdon Tech Co., Ltd.

Guangdong, China Since 2013
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Breakpoint Electric Test Instrument Non-Contact AC Voltage Tester Pen

Breakpoint Electric Test Instrument Non-Contact AC Voltage Tester Pen

US $ 7.2-8.8 / Piece FOB
1 Piece (MOQ)
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Installation : Portable Precise
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Shenzhen Yowexa Measurement Technology Co., Ltd.

Guangdong, China Since 2015
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Hot Selling New Fiber Optic Torch Fiber Cable Tester Visible Red Laser Source Pen

Hot Selling New Fiber Optic Torch Fiber Cable Tester Visible Red Laser Source Pen

US $ 0.25-0.3 / Piece FOB
1,000 Pieces (MOQ)
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Main Products: Alarm Cable, Fire Alarm Cable, Speaker Cable, Coaxial Cable, Security Cable, Fire Resistant Cable, HDMI Cable, PV Solar Cable, Telephone Cable, Optical Cable
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NINGBO EXACT CABLES & WIRE CO., LTD.

Zhejiang, China Since 2020
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Affordable Home Water Tester Pen with Multi-Function Testing Features

Affordable Home Water Tester Pen with Multi-Function Testing Features

US $ 11.26-13.14 / Piece FOB
5 Pieces (MOQ)
More
Certification : CE
Contact Supplier
Audited Supplier
Henan Bingsheng Industrial Co., Ltd.

Manufacturer/Factory & Trading Company

Henan, China Since 2025
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Related Videos
  • What is DC-665BP Banknote tester money detector pen Low Price currency Detector Pen Multi-currency
    What is DC-665BP Banknote tester money detector pen Low Price currency Detector Pen Multi-currency
    US $ 0.19-0.23 /Piece
    1 Piece (MOQ)
    Contact Supplier
  • What is Diabetic Diagnostic Sensory Neuropathy Tester Foot Nerve Thermometer Pen Endocrinological Diabetes Tip Therm Warm Cold Test Tool
    What is Diabetic Diagnostic Sensory Neuropathy Tester Foot Nerve Thermometer Pen Endocrinological Diabetes Tip Therm Warm Cold Test Tool
    US $ 6 /Piece
    1,000 Pieces (MOQ)
    Contact Supplier
  • What is 5ml 8ml 10ml 15ml Plastic Mist Perfume Tester Spray Pen
    What is 5ml 8ml 10ml 15ml Plastic Mist Perfume Tester Spray Pen
    US $ 0.05-0.08 /Piece
    10,000 Pieces (MOQ)
    Contact Supplier
  • What is 195mm 100V-500V Professional Test Pencil Screwdriver Voltage Tester Pen
    What is 195mm 100V-500V Professional Test Pencil Screwdriver Voltage Tester Pen
    US $ 0.4-0.6 /Piece
    360 Pieces (MOQ)
    Contact Supplier
TDS Digital Meter Tester Pen for Water Quality (HX-TDS1)

TDS Digital Meter Tester Pen for Water Quality (HX-TDS1)

US $ 2.5 / Piece FOB
100 Pieces (MOQ)
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Main Products: Water Filter, Water Purifier, Water Dispenser, Water Cooler, RO System, Water Filtration, Water Pitcher, Water Filter Cartridge, Water Filter Housing, Water Products
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Ningbo Homaster Electrical Appliances Co., Ltd.

Zhejiang, China Since 2014
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Easy-to-Use Portable Salinity Tester Pen for Everyday Water Testing

Easy-to-Use Portable Salinity Tester Pen for Everyday Water Testing

US $ 8.9-13.27 / Piece FOB
2 Pieces (MOQ)
Contact Supplier
Audited Supplier
Henan Bingsheng Industrial Co., Ltd.

Manufacturer/Factory & Trading Company

Henan, China Since 2025
Chat Now Send Inquiry
DC-1379B1C Low price banknotes detector pens bill checker UV lamp banknote tester

DC-1379B1C Low price banknotes detector pens bill checker UV lamp banknote tester

US $ 0.6-0.72 / Piece FOB
1 Piece (MOQ)
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Main Products: Banknote Banding Machine, Currency Counter, Money Detector, Coin Counter, Paper Tape, Cash Counter, Counterfeit Detection, Coin Sorter, Counterfeit Detector, Money Counting Machine
Contact Supplier
Audited Supplier
EB International Group Limited

Liaoning, China Since 2018
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About Tester Pen FAQ

  • QWhat is the importance of calibrating a pH meter?

    The Tester Pen is classified under our comprehensive pH Meter range.Calibrating a pH meter is crucial for ensuring accuracy in measurements. Regular calibration helps maintain the instrument's reliability and accuracy, necessary for accurate readings in various solutions. Consult a professional supplier for calibration tips.

  • QWhere can I find reliable manufacturers of pH meters?

    Upgrade your pH Meter with the elegant and durable Tester Pen.Finding reliable pH meter manufacturers in China can be done through industry directories, B2B platforms, and trade shows. Choose suppliers with a solid reputation and experience in producing high-quality instruments. Verify certifications and request product samples for quality assurance.

  • QWhy should I consider buying pH meters in bulk?

    The Tester Pen is a key item within our extensive pH Meter selection.Purchasing pH meters in bulk offers cost savings, ensures supply availability, and streamlines the procurement process. Bulk buying from a trustworthy supplier can qualify you for discounts and customized solutions, meeting your specific measurement instrument needs.

DC-665BWP Forged Notes Banknote Tester Pen portable bill checker

DC-665BWP Forged Notes Banknote Tester Pen portable bill checker

US $ 0.19-0.23 / Piece FOB
1 Piece (MOQ)
More
Structure : Electronic Circuit
Contact Supplier
Audited Supplier
EB International Group Limited

Liaoning, China Since 2018
Chat Now Send Inquiry
Essential 7 in 1 Test Pen TDS, Ec, Salinity, pH, ORP, Temperature Tester Pen

Essential 7 in 1 Test Pen TDS, Ec, Salinity, pH, ORP, Temperature Tester Pen

US $ 18.9 / Piece FOB
5 Pieces (MOQ)
More
Main Products: Sensor, Instrument
Contact Supplier
Audited Supplier
Henan Bingsheng Industrial Co., Ltd.

Manufacturer/Factory & Trading Company

Henan, China Since 2025
Chat Now Send Inquiry
Optical Fiber Visual Fault Location Pen

Optical Fiber Visual Fault Location Pen

US $ 15-25 / Piece FOB
1,000 Pieces (MOQ)
More
Wiring Devices : Integrated Wiring
Contact Supplier
Audited Supplier
Ningbo Latitude Communication Equipment Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2022
Chat Now Send Inquiry
185mm 100-500V Manufactured Voltage Electrical Tester Pen with Ce Neon

185mm 100-500V Manufactured Voltage Electrical Tester Pen with Ce Neon

US $ 0.3-0.45 / Piece FOB
360 Pieces (MOQ)
More
Main Products: Electric Test Pencil, Hard Tool, Screwdriver, Plier, Drill
Contact Supplier
Audited Supplier
ShunDe Jiatian Hard Tool Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2019
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Affordable Portable pH Meter and TDS/Ec Water Quality Tester TDS&Ec Testing Pen

Affordable Portable pH Meter and TDS/Ec Water Quality Tester TDS&Ec Testing Pen

US $ 3.8-5.6 / Set FOB
5 Sets (MOQ)
More
Certification : CE, ISO9001
Contact Supplier
Audited Supplier
Henan Bingsheng Industrial Co., Ltd.

Manufacturer/Factory & Trading Company

Henan, China Since 2025
Chat Now Send Inquiry
High Precision Multifunctional Water Quality Tester Pen with Backlit Display

High Precision Multifunctional Water Quality Tester Pen with Backlit Display

US $ 6.4-8.5 / Piece FOB
2 Pieces (MOQ)
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Main Products: Sensor, Instrument
Contact Supplier
Audited Supplier
Henan Bingsheng Industrial Co., Ltd.

Manufacturer/Factory & Trading Company

Henan, China Since 2025
Chat Now Send Inquiry
DC-1379B1C 2 in 1 Detector Pen with UV Light Counterfeit Bank Note Tester Pen with Ball-Point Convenient Handy Fake Money Detector Ball-Pen

DC-1379B1C 2 in 1 Detector Pen with UV Light Counterfeit Bank Note Tester Pen with Ball-Point Convenient Handy Fake Money Detector Ball-Pen

US $ 0.6-0.72 / Piece FOB
1 Piece (MOQ)
More
Certification : RoHS, CE
Contact Supplier
Audited Supplier
EB International Group Limited

Liaoning, China Since 2018
Chat Now Send Inquiry
4 in 1 Water Quality Tester Pen TDS pH Temp Ec Portable Multi-Parameter Meter

4 in 1 Water Quality Tester Pen TDS pH Temp Ec Portable Multi-Parameter Meter

US $ 14.3-15.6 / Piece FOB
5 Pieces (MOQ)
More
Main Products: Sensor, Instrument
Contact Supplier
Audited Supplier
Henan Bingsheng Industrial Co., Ltd.

Manufacturer/Factory & Trading Company

Henan, China Since 2025
Chat Now Send Inquiry
Affordable Multi-Function Water Tester Pen for Safe Drinking Water

Affordable Multi-Function Water Tester Pen for Safe Drinking Water

US $ 11.26-13.14 / Piece FOB
5 Pieces (MOQ)
More
Type : Conductivity Meter
Contact Supplier
Audited Supplier
Henan Bingsheng Industrial Co., Ltd.

Manufacturer/Factory & Trading Company

Henan, China Since 2025
Chat Now Send Inquiry
DC-1379 Mini money detector Note Checker Pen counterfeit detector money tester pen

DC-1379 Mini money detector Note Checker Pen counterfeit detector money tester pen

US $ 0.5-0.6 / Piece FOB
1 Piece (MOQ)
More
Main Products: Banknote Banding Machine, Currency Counter, Money Detector, Coin Counter, Paper Tape, Cash Counter, Counterfeit Detection, Coin Sorter, Counterfeit Detector, Money Counting Machine
Contact Supplier
Audited Supplier
EB International Group Limited

Liaoning, China Since 2018
Chat Now Send Inquiry
Sali Electroprobe Voltage Tester Test Pen

Sali Electroprobe Voltage Tester Test Pen

US $ 0.32-0.33 / Piece FOB
600 Pieces (MOQ)
Contact Supplier
Audited Supplier
Yongkang Shi Pengcheng Abrasive & Apparatus Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2016
Chat Now Send Inquiry
Yw-322 12V/48V-1000V AC Non-Contact Electrical Test Pen

Yw-322 12V/48V-1000V AC Non-Contact Electrical Test Pen

US $ 7.2-8.8 / Piece FOB
1 Piece (MOQ)
More
Main Products: Coating Thickness Gauge, Data Logger, Temperature Humidity Monitor, Air Quality Monitor, Thermometer, Yw Meter
Contact Supplier
Audited Supplier
Shenzhen Yowexa Measurement Technology Co., Ltd.

Guangdong, China Since 2015
Chat Now Send Inquiry
Versatile Portable Water Tester Pen for Safe Drinking Water

Versatile Portable Water Tester Pen for Safe Drinking Water

US $ 11.26-13.14 / Piece FOB
5 Pieces (MOQ)
More
Type : Conductivity Meter
Contact Supplier
Audited Supplier
Henan Bingsheng Industrial Co., Ltd.

Manufacturer/Factory & Trading Company

Henan, China Since 2025
Chat Now Send Inquiry
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