







💧 Stay ahead of the curve with precision that flows as smoothly as your workflow.
The Apera Instruments SX610 is a professional-grade, waterproof pH pen tester delivering ±0.1 pH accuracy across a full 0-14 pH range. Featuring smart auto calibration with buffer recognition and automatic temperature compensation from 0 to 60°C, it ensures consistent, reliable readings in diverse environments. Packaged as a complete kit with calibration and storage solutions plus batteries in a portable case, it’s designed for professionals who demand precision and convenience in hydroponics, aquaculture, water treatment, and more.






























| ASIN | B01ESYG6B0 |
| Age Range Description | Adult |
| Battery Life | 1000 Hours |
| Best Sellers Rank | 299,945 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 427 in Lab pH Meters |
| Brand | Apera Instruments |
| Colour | Light grey/blue |
| Customer Reviews | 4.1 4.1 out of 5 stars (427) |
| Display Type | Lcd |
| Global Trade Identification Number | 00858718006254 |
| Immersion Depth | 1E+1 Centimetres |
| Included Components | 1 Pen tester, 1 calibration solution, 2 batteries, 1 case |
| Indoor Outdoor Usage | Outdoor |
| Item Length | 14.8 Centimetres |
| Item Weight | 1.5 Ounces |
| Manufacturer | Apera |
| Manufacturer Part Number | AI221 |
| Model Name | AI221 |
| Model Number | AI221 |
| Number of Batteries | 2 CR2 batteries required. (included) |
| Outer Material | Plastic |
| Power Source | Battery Powered |
| Product Care Instructions | Wipe Clean |
| Resolution | 0.1 degree |
| Reusability | Reusable |
| Special Features | Waterproof |
| Specification Met | Calibration: Auto 1 Point (7.0), Measured Parameter: Ph, Range: 0-14.0 Ph, Self-diagnosis: No, Temp. Compensation: Automatic 0-60.0˚c |
| Style Name | ±0.1 pH (1pt calibration) |
| UPC | 858718006254 |
| Unit Count | 1 Tester |
| Upper Temperature Rating | 60 Degrees Celsius |
Trustpilot
5 days ago
2 days ago