Digital pH Meter & mV Meter – Apex Labs

The Apex Labs Benchtop Digital pH Meter & mV Meter is a high-precision laboratory instrument engineered for highly accurate pH and oxidation-reduction potential (ORP/mV) tracking. Featuring a high-contrast 3½ digit bright LED display and robust manual temperature compensation arrays, this analytical benchtop instrument is built to ensure long-term stability in demanding scientific and industrial settings. Supplied as a ready-to-use solution, it arrives complete with a high-sensitivity glass electrode, articulated stand, and certified buffer solutions to optimize your baseline quality control and chemical analysis workflows immediately.

Technical Specifications

Core Product Features

• Dual-Mode Functionality Matrix: Delivers flexible alternative tracking for standard pH scaling (0–14 pH) alongside absolute Millivolts (±1999 mV) optimized for ORP tracking parameters.
• High-Precision Analog Controls: Features dedicated hardware “Slope” and “Calibrate” tuning knobs to ensure smooth, micro-adjusted two-point calibrations against reference values.
• Manual Temperature Offset: An integrated front-panel dial lets you adjust thermal parameters manually from 0°C to 100°C, compensating for solution density variations.
• High-Contrast Red LED Panel: The oversized bright display eliminates parallax errors and reflection issues, remaining legible in low-lit fume hoods and active classrooms.
• Complete Diagnostic Assembly: Arrives as a comprehensive benchtop set containing a high-sensitivity glass combination electrode, stable stand bracket, and standard 4.0 pH / 7.0 pH buffer compounds.

Primary Laboratory & Commercial Implementations

• Academic Institutions & Training: Ideal for reinforcing core electrochemical, biological, and acid-base titration principles across university laboratory platforms.
• Water Testing & Environmental Control: Critical for checking wastewater plant chemistry, effluent safety guidelines, swimming pools, and hydroponic nutrient arrays.
• Food & Beverage Processing: Deployed for routine acidity grading inside dairy facilities, commercial brewing processes, and juice blending lines.
• Chemical R&D Processing: A reliable baseline tool for industrial quality control, solution validation, and multi-variable analytical testing.
• Pharmaceutical Formulations: Essential for checking micro-acidity stability thresholds during active drug formulation stages.

Installation & Calibration Guide

To ensure your laboratory hardware delivers peak linear performance, review the following standard operating checklist:

• Hardware Integration: Mount the electrode securely onto the articulated support stand and connect the high-sensitivity BNC lead to the rear panel interface. Plug the console into a stabilized 230V AC mains line.
• Thermal Alignment: Check the actual temperature of your buffer fluid with a benchmark thermometer and set the front temperature knob to match that metric.
• Primary Buffer Calibration: Rinse the electrode probe thoroughly with distilled water, blot dry with a lint-free tissue, and place it inside the 7.0 pH buffer solution. Adjust the ‘Calibrate’ dial until the LED matrix displays exactly 7.00.
• Secondary Slope Verification: Clean the probe assembly again and submerge it within the 4.0 pH reference buffer. Adjust the ‘Slope’ control knob until the screen shifts to match the secondary baseline value. Your instrument is now calibrated and ready for active sample tracking.

Bulk B2B Procurement & GeM Supply Lines: We facilitate large-scale commercial volume orders backed by complete invoices featuring valid GST breakdowns to support seamless corporate Input Tax Credit (ITC) tracking. For diagnostic centers, educational institutions, pathology networks, and industrial buyers, Apex Labs ensures simple tender compliance and rapid direct bidding through the official Government e-Marketplace (GeM) portal.