PH Meter Digital – Lutron PH-221E (Made in Taiwan)

🔍 Overview

The Lutron PH-221E is a high-performance digital pH and ORP meter designed for professionals who demand precision and reliability in laboratory, industrial, and water quality testing. Made in Taiwan by Lutron, this device offers a wide measurement range, advanced calibration options, and automatic temperature compensation to ensure accurate readings under various conditions. Its rugged construction, user-friendly interface, and data logging capabilities make it ideal for both field and lab use. Whether you’re measuring water quality, conducting research, or maintaining chemical processes, the PH-221E delivers dependable results every time.

✅ Key Features

• Dual-function meter: Measures both pH (0–14) and ORP (-1999 to +1999 mV)

• High accuracy & resolution: ±(0.02 pH + 2 d), 0.01 pH resolution

• Auto Calibration: For pH 4.00, 7.00, and 10.00 (or nearby values)

• Temperature Compensation: Manual (0–100°C) or Automatic (0–65°C with TP-07)

• Large LCD Display: Easy-to-read dual-function display

• Data Hold Function: Freeze current reading

• Memory Recall: Displays max and min recorded values

• Manual & Auto Data Logger: Stores up to 1,600 readings

• Compact, durable design suitable for harsh environments

• BNC connector for easy electrode replacement

🛠️ Technical Specifications

➤ Measurement Specifications

➤ General Specifications

• Display: 44 mm x 29 mm dual-function LCD

• Temperature Compensation:

  • Manual: 0 to 100°C (adjusted via front panel)

  • Automatic: 0 to 65°C (with optional TP-07 probe)

• Calibration: 3-point (pH 4, 7, 10 or nearby) for high accuracy

• Sampling Time: Approx. 1 second

• Data Logger: Manual or automatic logging up to 1,600 readings

• Power Supply:

  • 6 × AA batteries

  • Optional 9V Adapter (ADC 9V)

• Dimensions: 290 × 220 × 90 mm

• Weight: 1.4 kg

📦 What’s Included

• Digital pH/ORP Meter Unit (Model: PH-221E)

• BNC Connector Port (for pH electrode)

• User Manual
  (pH Electrode and Temperature Probe sold separately)

🧴 Optional Accessories

• TP-07 Temperature Probe (for automatic temperature compensation)

• pH Electrode (replaceable, BNC type)