home > products > PH & Water Quality Meters > Portable PH pen — PH866/PH865
Portable PH pen — PH866/PH865
The Portable pH Pen Tester is a compact, user-friendly device designed for quick and accurate pH measurements in water, liquids, and semi-solid samples.
- PH866: 2.00~18.00ph
- PH865: 0.00~14.00ph
Share this product:
Purpose
The Portable pH Pen Tester is a compact, user-friendly device designed for quick and accurate pH measurements in water, liquids, and semi-solid samples.
Product Specifications
| Model | PH866/PH865 | ||
|---|---|---|---|
| PH866 | 2.00~18.00ph | ||
| PH865 | 0.00~14.00ph | ||
| Adapter input | 100–240 V, 50–60 Hz, 0.35 A | ||
| Adapter output | DC 5 V, 2 A | ||
| Display | LCD | ||
| Temperature compensation | Manual | ||
| Calibration | 2 points | ||
| Measurement mode | Continuous | ||
| Data storage | 200 sets | ||
| Net weight | Approximately 450 g | ||
| Dimensions | 202.4×112×61 mm | ||
| mV range | PH865: -999–1400 mV; PH866: -999–2000 mV | ||
| mV resolution | PH865: 1 mV; PH866: 0.1 mV | ||
| mV error | PH865: ±0.2 % FS; PH866: ±0.1 % FS | ||
| pH resolution | 0.01 pH | ||
Some source specifications or model configurations remain under review. Confirm the selected model and final specifications when requesting a quotation.
Price
Request a quotation for your quantity, configuration and delivery requirements.
Product Description
The Portable pH Pen Tester is a compact, user-friendly device designed for quick and accurate pH measurements in water, liquids, and semi-solid samples. Perfect for on-the-go testing in home aquariums, hydroponics, pools, kitchens, laboratories, and outdoor environments, this pocket-sized tool delivers lab-grade precision with effortless operation.
High Accuracy: Measures pH levels from 0.00 to 14.00/2.00 to 18.00 with ±0.01 resolution and ±0.1 accuracy for reliable results.
Instant Readings: Electrode stabilizes within seconds, providing real-time pH and temperature data on a clear LCD screen.
Automatic Calibration: One-touch calibration with included buffer powders ensures consistent performance.
Durable & Portable: Waterproof design with a rugged, lightweight body fits in your pocket or toolbox.

Need This Product for Your Laboratory?
Tell us your sample type, required capacity, quantity and configuration needs. Our team will help you confirm the suitable model and prepare a quotation.
Confirm your application and performance requirements
Review configuration, accessories and power supply
Prepare a quotation for the confirmed configuration
Coordinate packing and shipment arrangements
Discuss installation guidance and technical support
Confirm model-specific warranty and service terms

























