DCM2000DR Digital Clamp Meter - 2000A AC/DC Current Tester with CAT IV 1000V Safety Rating | Perfect for Electricians, HVAC Technicians & Industrial Maintenance

Residual Chlorine Analyzer for Water Testing - Digital Chlorine Meter for Pools, Drinking Water & Aquariums | Accurate & Easy-to-Use Water Quality Monitor

Pure Deionized Water - 3 Pack (1 Gallon Each) | Lab-Grade, Distilled Alternative for Humidifiers, Car Batteries & Scientific Experiments

Online Industrial Wastewater pH Sensor - High Accuracy Water Quality Monitoring for Wastewater Treatment Plants, Laboratories & Environmental Testing | Digital pH Meter for Effluent, Sewage & Process Water Analysis

DCL11R True RMS Mini Clamp Meter with Backlight - Digital AC/DC Current Voltage Tester for Electricians, HVAC, Automotive & Home Use

DCL31DR True RMS Mini AC/DC Clamp Meter with Peak Hold - Perfect for Electricians, HVAC Technicians & DIY Home Electrical Testing

Digital pH and ORP Meter for Water Testing - High Accuracy Industrial Water Quality Tester for Pools, Aquariums, Hydroponics & Laboratory Use

Digital Hygrometer Thermometer Pen - Accurate Humidity & Temperature Meter for Home, Office, Lab, and Greenhouse Monitoring

Professional Digital Water Quality Tester - Measure Conductivity, TDS, Salinity & Resistivity | Perfect for Aquariums, Pools, Hydroponics & Industrial Use

Digital Data Logging Manometer - High Accuracy Pressure Gauge for HVAC, Industrial & Laboratory Use | Perfect for Monitoring & Recording Pressure in Real Time

High Temperature Dissolved Oxygen Sensor for Water Quality Monitoring - Industrial & Laboratory Use | Accurate Online DO Measurement for Wastewater Treatment, Aquaculture, and Environmental Research

Accurate Digital Indoor Air Quality Monitor - CO2, Temperature, Humidity Sensor for Home, Office & School - Improve Health & Productivity

Best Data Acquisition Software for Industrial Automation | Real-Time Monitoring & Analysis | Ideal for Manufacturing & Research Labs

Digital Residual Chlorine Sensor for Water Quality Testing - Online Monitoring System for Pools, Drinking Water & Aquariums

100 Hour Digital Count Up/Down Timer - Large Display for Kitchen, Classroom, Gym & Office Use

Digital pH Sensor for Water Testing - High Accuracy pH Meter for Aquariums, Pools, and Hydroponics | Perfect for Home, Lab, and Industrial Use

84µS/cm Conductivity Standard Solution 500mL - High Precision Calibration for Lab & Industrial Use

High-Precision Digital Graphite Conductivity Sensor for Water Quality Testing - Industrial & Laboratory Use

1413µS/cm Conductivity Standard Solution 500mL - Calibration Fluid for Lab Equipment & Water Quality Testing

NR20XE Large Aperture Precision Colorimeter - Professional Color Measurement Device for Photography, Printing & Design - Perfect for Studio, Lab & Industrial Use

High Accuracy Conductivity & Salinity Probe for 850048 Water Quality Meter - Perfect for Aquariums, Hydroponics, and Environmental Water Testing

Compact Digital Temperature and Humidity Monitor with LCD Display - Perfect for Home, Office, Nursery & Greenhouse Environment Monitoring

NIST Traceable Radiation Meter with Certificate of Compliance - High Accuracy Radiation Detector for Industrial, Medical & Safety Use

Best Compact AC/DC Auto Ranging Clamp Meter - Digital Multimeter for Electricians, HVAC Technicians - Perfect for Home Electrical Work, Automotive Repairs & Industrial Maintenance

Large Digital Stopwatch Timer with Big LCD Display - Perfect for Sports, Cooking, Labs, and Classroom Activities

Digital Clamp Meter Auto Ranging 600A AC/DC Current Voltage Tester - Perfect for HVAC, Electricians & Home Electrical Repairs

Digital Refractometer for Sugar Content Measurement - 0-88% Brix Range | Perfect for Home Brewing, Wine Making & Food Processing

Professional Combination Water Meter Kit with pH Probe - Accurate pH Testing for Hydroponics, Aquariums & Swimming Pools

KP1 CAT IV Digital Voltage Tester - 1000V AC/DC Non-Contact Electrical Tester for Home, Industrial & Automotive Electrical Safety Testing

Non-Contact Infrared Thermometer with Laser Sight -50°F to 1742°F (-46°C to 950°C) High Accuracy 12:1 D/S Ratio, Color LCD Display for Industrial, HVAC, Cooking, and Home Use

Best Indoor Air Quality Monitor - CO2, Temperature, Humidity Detector for Home, Office & Nursery | Real-Time Air Pollution Tester for Health & Comfort

Conductivity Sensor Testing/Calibration Certificate (Non-NIST) - Ideal for Lab Equipment, Water Quality Monitoring & Industrial Applications

Premium Water Meter Kit with Conductivity & Salinity Probe - Accurate Water Quality Testing for Pools, Aquariums, Hydroponics & Industrial Use

pH Sensor Testing/Calibration Certificate (Non-NIST) - For Laboratory, Industrial & Water Quality Monitoring Applications

Accurate Testing & Calibration Certificate (Non-NIST Compliant) - For Industrial Equipment, Lab Instruments & Quality Control Processes

Digital Multimeter with Backlight LCD Display, Temperature Measurement & Auto-Ranging - Perfect for Home DIY, Car Repair & Electrical Testing (Model CD772)