Portable ORP Meter with Calibration Function, ORP Tester Range -1999 to 1999mV, for Aquariums, Swimming Pools, Water Treatment Systems, Aquaculture, Spa
Product ID: 253696406
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📏Wide -1999 to 1999 mV range
🪶Compact, pocket-sized design
🌡️Auto Temp Compensation 0~50°C
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Description
💧 Stay ahead of water quality—measure like a pro, anywhere, anytime!
- ULTRA PORTABLE DESIGN - Sleek, lightweight, and pocket-friendly—take professional-grade water testing wherever your lifestyle leads.
- VERSATILE APPLICATION - Perfect for aquariums, pools, spas, water treatment, and aquaculture—be the water quality guru in any setting.
- PRECISION ORP MEASUREMENT - Accurately gauges oxidation-reduction potential across a broad -1999 to 1999 mV spectrum for reliable water quality insights.
- EASY CALIBRATION MAINTENANCE - Simple electrode cleaning and calibration with included mini screwdriver keeps your meter ready for flawless performance.
- SMART TEMPERATURE COMPENSATION - Automatically adjusts readings between 0 to 50°C, ensuring consistent accuracy regardless of environment.
The Portable ORP Meter ORP-228 by Gain Express Holdings Ltd offers precise oxidation-reduction potential readings from -1999 to 1999 mV with automatic temperature compensation (0~50°C). Its compact, lightweight design fits in your pocket, making it ideal for diverse environments including aquariums, pools, spas, and water treatment systems. The package includes calibration tools and batteries, ensuring you’re always ready to monitor water quality with professional accuracy.
Specifications
| Manufacturer | Gain Express Holdings Ltd |
| Part number | ORP-228 |
| Item Weight | 132 g |
| Product Dimensions | 15.49 x 3.1 x 1.57 cm; 131.54 g |
| Batteries | 4 LR44 batteries required. |
| Item model number | ORP-228 |
| Color | ORP Redox Meter |
| Item thickness | 31 Millimeters |
| Power source type | Battery Powered |
| Item Package Quantity | 1 |
| Number Of Pieces | 1 |
| Special Features | Measuring oxidation-reduction potential (ORP) of water |
| Batteries Included? | No |
| Batteries Required? | No |
| Battery Cell Type | Alkaline |
Have a Question? See What Others Asked
I know how to adjust the calibration but you need a standard to assure its set correctly. What do i do?
What’s the difference between this one which is green and the other one which is red? Is one newer than the other?
Will this work to show the ionization - orp of my invigorated water purifier?
Does this measure free chlorine levels?
Common Questions
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Trustpilot
TrustScore 4.5 | 7,300+ reviews
The delivery time was excellent, and the packaging was secure.
2 months ago
Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.
1 day ago
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