NIST Traceable Torque Meter with Certificate of Calibration - Precision Measurement Tool for Industrial & Automotive Use (Requires New Meter Purchase) | Ideal for Quality Control, Mechanical Testing & Equipment Maintenance

Digital Min/Max Thermometer - Indoor/Outdoor Temperature Monitor for Home, Garden, Greenhouse & Refrigerator | Accurate Wireless Thermometer with Memory Function

pH 4 Buffer Solution 3-Pack - Laboratory Grade for Accurate pH Meter Calibration & Water Testing | Perfect for Aquariums, Pools, and Scientific Experiments

Digital pH Meter Pen with Large LCD Screen - Accurate Water Testing for Hydroponics, Aquariums, Pools & Home Brewing

High Accuracy pH Probe Sensor for 850048 Water Quality Meter | Replacement Electrode for Lab, Pool & Aquarium Testing | Perfect for Scientific Research, Water Treatment & Hydroponics

NIST Traceable Visible Light Meter with Certificate of Compliance - Accurate Lux Measurement for Photography, Film Production & Industrial Lighting (Requires Meter Purchase)

Wireless Digital Temperature Monitor with Remote Sensor & Frost Alarm - Perfect for Home, Fridge, Freezer, and Greenhouse Monitoring

PM11 Digital Multimeter - 4000 Count LCD Display, Auto-Ranging Pocket Multimeter for Home, Car, and Electrical Repairs

PM7a Pocket Size Digital Multimeter with Built-In Case - Compact Electrical Tester for Home, Car, and DIY Projects

NR200 Precision Colorimeter - Professional Digital Color Measurement Tool for Photography, Printing, and Design | Accurate RGB & CMYK Analysis for Artists, Photographers, and Graphic Designers

Digital Pocket Refractometer for Brix Measurement (0-65%) - Ideal for Honey, Maple Syrup, Wine & Juice Testing

Digital Pocket Refractometer for Brix Measurement (40-88%) - Ideal for Honey, Maple Syrup, and Fruit Juice Testing

NR60CP Digital Colorimeter - Accurate Color Measurement Tool for Lab, Printing & Design | Professional RGB & CMYK Analysis for Graphic Design, Photography & Industrial Use

Ammonia Nitrogen Sensor for Water Quality Testing - Digital Online Monitor for Aquariums, Pools & Wastewater Treatment

Large LED Digital Wall Clock - Easy to Read Display for Home, Office, Bedroom & Kitchen | Modern Alarm Clock with Date & Temperature

Dissolved Oxygen (DO) Electrolytes - High Accuracy Water Testing for Aquariums, Ponds & Hydroponics | Ideal for Fish Tanks, Aquatic Labs & Water Quality Monitoring

High-Precision Digital Chlorophyll A Sensor for Water Quality Monitoring | Online Water Testing Equipment for Aquaculture, Environmental Research & Hydroponics

Dissolved Oxygen (DO) Sensor Probe with Replaceable Membrane - High Accuracy Water Quality Testing for Aquariums, Ponds & Hydroponics

Online Digital Suspended Solid Sensor - High Accuracy Water Quality Monitoring Device for Industrial & Environmental Use

Accurate Dissolved Oxygen Test Kit (1-12 ppm) - Reliable Water Quality Testing for Aquariums, Ponds & Hydroponics

DM1009S 1000V Analog Insulation Tester - Portable Insulation Resistance Meter for Electrical Safety Testing | Perfect for Electricians, HVAC Technicians & Industrial Maintenance

DO Probe Sensor for 850048 Water Quality Meter - High Accuracy Dissolved Oxygen Measurement for Aquariums, Pools, and Environmental Monitoring

500mL Electrode Storage Solution - Ideal for Laboratory, Medical, and Research Use

Environmental Monitor - Air Quality & Temperature Sensor for Home, Office & Industrial Use | Real-Time Data Tracking & Smart Alerts | Perfect for Indoor Air Quality Monitoring & Climate Control

High Temperature pH Sensor for Industrial & Laboratory Use - Accurate Digital Water Quality Monitoring for Boilers, Pools, and Chemical Processing

Environmental Quality SD Card Logger - High Performance Data Storage for Outdoor Monitoring, Industrial Use & Research Applications

PDR302 Portable Earth Tester with Phase Detection - Digital Ground Resistance Meter for Electrical Safety Testing in Homes, Factories, and Power Stations

pH 7 Buffer Solution 3-Pack - Laboratory Grade Calibration Fluid for pH Meters | Ideal for Scientific Research, Aquariums & Pool Maintenance

Digital Pocket Refractometer for Honey - Brix Measurement Tool for Beekeepers, Home Brewing & Food Processing | Portable Sugar Content Tester for Honey, Maple Syrup & Fruit Juices

Portable Laser Power Meter - High Precision Digital Laser Energy Detector for DIY, Research & Industrial Use | Ideal for Laser Engraving, Cutting & Medical Applications

Portable Pocket Thermometer 40~50°C (12-Pack) - Ideal for Cooking, Home Use, and Outdoor Activities

12-Pack Pocket Thermometer for Cooking & BBQ - Digital Food Thermometer with 40~70ºC & 40~160ºF Range - Perfect for Meat, Candy, Milk & Home Kitchen Use

Digital Torque Wrench - Portable Handheld Torque Meter with LCD Display - Perfect for Automotive Repair, Industrial Maintenance & DIY Projects

3nh PS Series Spectrocolorimeter Positioning Fixture - Accurate Color Measurement Tool for Lab & Industrial Use | Perfect for Quality Control, Printing & Textile Color Matching

Digital Pocket Refractometer for Brix Measurement (0-88%) - Ideal for Honey, Wine, Juice & Maple Syrup Testing

4M Potassium Chloride Saturated with AgCl - High Purity Electrolyte Solution for pH Electrodes & Laboratory Use