Pen Acidity Meter (PH-220W, External Electrode, Accuracy 0.01)
Brand:Â BKMAMLAB
Item Code:Â 110802004
Category: Laboratory Instruments – pH Measurement
Application: Laboratory Testing | Water Quality Monitoring | Food & Beverage Analysis | Research & Industrial Quality Control
Packaging:Â 1 pc per box
Product PreviewÂ
The BKMAMLAB PH-220W Pen Acidity Meter is a high-precision portable digital pH tester designed for accurate acidity measurement in laboratory and field applications. Equipped with a high-resolution 0.01 pH accuracy and an external electrode, the PH-220W provides enhanced flexibility and measurement stability when testing various liquid samples.
Its compact pen-style design, clear LCD display, and automatic temperature compensation ensure reliable readings in seconds. The external probe allows easy sample access, making the instrument ideal for laboratory testing, water quality monitoring, aquaculture, food processing, and research applications.
The PH-220W is designed for professionals who require precise pH measurement with convenient operation and durable performance.
Key Features
- High Precision Measurement – Accuracy ±0.01 pH
- External Electrode Designfor flexible measurement
- Wide Measurement Range:00 – 14.00 pH
- Clear LCD Digital Display
- Automatic Temperature Compensation (ATC)
- Fast Response Sensor
- Portable Pen-Type Instrument
- Simple Calibration Process
- Durable and lightweight construction
Applications
Laboratory Testing
- Chemical and biological sample testing
- Analytical laboratories and research institutes
Water Quality Monitoring
- Drinking water testing
- Environmental water monitoring
- Aquaculture water control
Food & Beverage Industry
- Beverage acidity testing
- Food quality control processes
Agriculture & Hydroponics
- Nutrient solution monitoring
- Fertigation and hydroponic systems
Technical Specifications
| Parameter | Specification |
| Model | PH-220W |
| Measurement Range | 0.00 – 14.00 pH |
| Resolution | 0.01 pH |
| Accuracy | ±0.01 pH |
| Electrode Type | External replaceable electrode |
| Temperature Compensation | Automatic (ATC) |
| Display | LCD Digital Screen |
| Power Supply | 2 × 1.5V Batteries |
| Response Time | < 3 seconds |
| Operating Temperature | 0 – 50°C |
| Calibration | Multi-point calibration |
| Dimensions | Approx. 160 × 30 × 20 mm |
| Weight | Approx. 95 g |
Package Contents
Each package includes:
- 1 × BKMAMLAB PH-220W Pen Acidity Meter
- 1 × External pH Electrode Probe
- 2 × Batteries
- 1 × Protective storage case
- 1 × User instruction manual
Product Advantages
- High-precision pH measurement with 01 resolution
- External probe enables easier testing of different samples
- Fast response and stable results
- Portable design for both field and laboratory use
- Simple operation and calibration
- Reliable instrument for routine laboratory testing
Warranty
12-Month Manufacturer Warranty
The product is covered against manufacturing defects under normal laboratory usage for one year from the purchase date.
Guarantee
GreenXsupply guarantees that the supplied BKMAMLAB PH-220W pH Meter is:
- Genuine and brand new
- Factory sealed and quality tested
- Delivered with required documentation upon request
Support Policy
GreenXsupply provides professional customer support including:
- Technical assistance via Email / Phone / WhatsApp
- Guidance for calibration and usage
- Access to product manuals and technical documentation
- Replacement assistance for manufacturing defects








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