4-in-1 Water Quality Pen (pH, ORP, Hydrogen, Temp)- GAOTek
Portable pen tester measuring pH, ORP, dissolved hydrogen, and temperature with automatic temperature compensation, IP67 waterproofing, LCD display.
SKU:
GAOTek-PIM-565
Category: ION Meters
Description
Description
Overview
GAOTek’s 4-in-1 Water Quality Pen offers real-time measurement of pH, oxidation-reduction potential (ORP), dissolved hydrogen (H₂), and temperature in a compact handheld format. It provides high accuracy across wide ranges, using auto-temperature compensation (ATC) for consistent results in changing environments. Built for durability with IP67 waterproof protection and a titanium-alloy sensor, it’s ideal for drinking water, aquariums, hydrogen-rich water, and lab applications. Lightweight, battery-powered, and OEM-ready, it’s designed for field use and customizable branding.
Features
- Automatic Temperature Compensation (ATC) ensures stable readings across temperatures.
- Titanium Alloy Probe & Intelligent Chip deliver reliable performance
- Digital LCD with Backlight for clear visibility in varying lighting.
- IP67 Waterproof Rating protects against immersion and dust.
- Auto Power-Off after 5 minutes to conserve battery.
- Lightweight and Portable: Compact pen-shaped design at 183 × 37 × 37 mm, ~90–148 g
- Detachable Probe enables easy replacement.
- Powered by 3 × LR44 Batteries, with easy battery access
- OEM/ODM Support for custom logos and packaging.
Applications
- Monitoring hydrogen-rich water in generators, mugs, and wellness products.
- Aquarium, hydroponic, and environmental testing, where pH and redox matter.
- Water quality checks in drinking water, swimming pools, and lab settings.
- Wherever multi-parameter handheld convenience is needed.
Technical Specifications
|  pH Range / Resolution / Accuracy | 0.01–14.00 pH / 0.01 resolution / ±0.05 pH |
| ORP Range / Resolution / Accuracy | ±1200 mV / 1 mV / ±2 mV |
| H₂ Range / Resolution / Accuracy | 0–2400 ppb or 0.001–2.400 ppm / 2 ppb resolution / ±10 ppb |
| Temperature Range / Resolution / Accuracy | 0.1–60.0 °C (32–140 °F) / 1 °C / ±0.5 °C |
| Probe Material | Titanium alloy with intelligent chip |
| Automatic Temperature Compensation (ATC) | Yes — ensures accurate measurement across temps |
| Display | LCD with backlight |
| Waterproof Rating | IP67 — dustproof and immersion resistant |
| Auto Power-Off | Shuts off after ~5 minutes of inactivity |
| Battery Type | 3 × LR44 button cells (not included) |
| Dimensions | 183 × 37 × 37 mm |
| Weight | Approximately 90–148 g (varies slightly by source) |
