Greisinger GMH 5530 Waterproof pH / Redox Handheld Meter 116580

Measuring pH and redox potential in wet or dusty environments often damages sensitive handheld meters. The Greisinger GMH 5530 solves this with a waterproof IP65 housing, allowing reliable measurements even in challenging conditions. This handheld meter combines pH, redox (ORP), and temperature measurement in one rugged device.

Who is it for

Laboratory technicians, field service engineers, and quality control staff who need accurate pH and redox readings on the go. Its waterproof design makes it suitable for outdoor use, aquaculture, and industrial process monitoring.

Main features

• Waterproof IP65 housing for reliable operation in wet environments
• Measures pH, redox (ORP), and temperature simultaneously
• Automatic or manual temperature compensation
• 1, 2, or 3-point automatic calibration with 22 pre-programmed buffer sets
• Integrated data logger for up to 10,000 data sets
• Backlit LCD display with min/max alarm and hold function
• Powered by 2x AAA batteries or USB

Specifications

• pH range: 0.00 to 14.00 pH, resolution 0.01 pH, accuracy ±0.02 pH
• Redox range: -2000 to +2000 mV, resolution 1 mV, accuracy ±1 mV
• Temperature range: -5.0 to +100.0 °C, resolution 0.1 °C
• Electrode connection: BNC for pH/redox, 2-pin for temperature
• Interface: Micro-USB
• Battery life: approx. 1000 hours without backlight

Tips

For best accuracy, calibrate the meter regularly using fresh buffer solutions. Rinse the electrode with distilled water between measurements to prevent cross-contamination.