Bluelab ORP Meter - Handheld | mV Measurement | Water Quality Monitoring
Accurate ORP Monitoring for Clean Hydro Systems
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Sale Ends in 30 November 2026
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The Bluelab ORP Meter is an essential tool for hydroponic growers looking to maintain clean, healthy water systems. Designed to measure Oxidation-Reduction Potential (ORP), this handheld meter helps monitor the disinfecting power of your nutrient solution, ensuring optimal water quality throughout the growing cycle.
By tracking ORP levels, growers can effectively manage sanitation, reduce contamination risks, and improve overall plant health. A higher ORP value indicates stronger oxidation, helping eliminate harmful bacteria, algae, and pathogens in hydroponic and irrigation systems.
Built with precision and durability in mind, the Bluelab ORP Meter delivers fast, accurate readings without requiring calibration, making it simple and reliable for both beginners and professional growers. Its compact handheld design, backlit display, and replaceable probe system make it ideal for everyday use in grow rooms, reservoirs, and water treatment setups.
Features
- Accurate ORP Monitoring: Measures oxidation-reduction potential (mV) to assess water sanitation and quality.
- No Calibration Required: ORP probe is factory calibrated for quick and hassle-free use.
- Dual Function Capability: Compatible with optional Bluelab pH probe for combined ORP and pH monitoring.
- Replaceable Probe System: BNC connection allows easy replacement of ORP or pH probes.
- Backlit LCD Display: Clear and easy-to-read screen for low-light environments.
- Compact Handheld Design: Portable and convenient for on-the-go testing.
- 2m Probe Cable: Measure hard-to-reach reservoirs and tanks with ease.
- Auto-Off Function: Conserves battery life with automatic shutdown after inactivity.
- KCl Storage System: Keeps probe hydrated for longer lifespan and accuracy.
Specifications
| Specification | Details |
|---|---|
| Measurement Range (ORP) | ±1000 mV |
| Resolution | 1 mV |
| Accuracy | ±5 mV |
| pH Range (Optional Probe) | 0.0 - 14.0 pH |
| pH Resolution | 0.1 pH |
| pH Accuracy | ±0.1 pH |
| Operating Temperature | 0 - 50°C |
| Power Source | 2 x AAA Alkaline Batteries |
| Probe Connection | BNC Connector |
| Display | Backlit LCD |
| Cable Length | 2 metres |
| Warranty | 5 Years (Meter) / 6 Months (Probe) |
In The Box
- 1 x BlueLab ORP Meter
- 1 x BlueLab ORP Probe with storage cap
- 1 x BlueLab KCl Storage Solution Sachet, 18 ml / 0.6 fl.oz
Documents
Download PDF brochure
2-Year Replacement
- Warranty If the product is faulty within the warranty period, the product will be replaced with a new one.
- Please send the product to the following address on the contact us page.
- Range:
- mV: ±1000
- pH*: 0.0–14.0
- Resolution:
- Resolution: 1
- Accuracy at 25°C / 77°F: ±5
- ±0.1
- Note: BlueLab pH Probe sold separately.
- Operating Environment (Solution): 0 – 50 °C / 32 – 122 °F (Do not use or store outside this temperature range)
- Power: 2× AAA alkaline battery
- Warranty Detail: Comes with a 5‑year limited warranty; 6 months for the BlueLab ORP Probe. Details at bluelab.com/product-warranty
- Box Contents:
- 1× BlueLab ORP Meter
- 1× BlueLab ORP Probe with storage cap
- 1× BlueLab KCl Storage Solution Sachet, 18 ml / 0.6 fl.oz
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