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Handheld pH and Redox Meter with Temperature Compensation and Automatic Calibration Acoustic Testing Pro
Acoustic Testing Pro Portable handheld pH and Redox meter with ATC, automatic calibration, high accuracy, and compact design for lab and field testing.
Overview
This handheld pH and Redox (ORP) meter is designed for precise measurement of water quality parameters including pH, redox potential, and temperature. It features automatic temperature compensation (ATC), 3-point automatic pH calibration, and high-accuracy sensors, making it suitable for laboratory, industrial, and field applications. Compact, lightweight, and battery-powered, it offers convenient portability and reliable performance.
Features
- Measures pH, redox (ORP), and temperature accurately for diverse applications.
- Automatic pH calibration at 4.00, 7.00, and 10.00 pH points ensures precision.
- Built-in automatic temperature compensation (0–90°C) for reliable readings.
- Compact and portable design powered by four 1.5V AAA batteries.
- Works in ambient temperatures 0–50°C and can be stored at -10–50°C.
- Suitable for laboratory, industrial, and field testing.
- Lightweight at approximately 150 g for easy handling.
Technical Specifications
| pH Measuring Range | -2.00–16.00 pH |
| Redox (ORP) Range | -1,000–1,000 mV |
| pH Measuring Resolution | 0.01 pH |
| Redox Resolution | 1 mV |
| pH Measuring Accuracy | ±0.01 pH + 1 digit |
| Redox Accuracy | ±2 + 1 digit |
| Automatic Calibration Points | pH 4.00 / 7.00 / 10.00 |
| Elevation Limitation | <1,000 meters |
| Power Supply | 1.5 V Battery (AAA) × 4 |
| Dimension | 7.68 × 1.57 × 1.42 in / 195 × 40 × 36 mm |
| Weight | 5.3 oz / approx. 150 g |
| Single Package Size | 11.8 × 11.8 × 9.8 in / 30.0 × 30.0 × 25.0 cm |
| Single Gross Weight | 6.61 lbs / 3.000 kg |
| Temperature Compensation (ATC) | 32.0–194.0 °F / 0–90 °C |
| Temperature Range | 32.0–194.0 °F / 0.0–90.0 °C |
| Temperature Resolution | 0.18 °F / 0.1 °C |
| Working Environment | 32.0–122.0 °F / 0–50 °C, <80% RH (no dew) |
| Storage Environment | 14.0–122.0 °F / -10–50 °C, <80% RH (no dew) |
| Temperature Accuracy | ±0.36 °F / ±0.2 °C + 1 digit |







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