Hanna HI707-25 Nitrite LR Checker

Hanna HI707-25 Nitrite Low Range (LR) Checker

The Hanna HI707-25 Nitrite LR Checker-25 Nitrite LR Checker is a highly accurate, portable digital colorimeter designed for measuring low levels of nitrite (NO₂-N) in water. Ideal for aquariums, environmental monitoring, water treatment, and laboratory use, this compact device simplifies nitrite testing by providing quick and reliable digital readings, eliminating the guesswork of traditional test kits.

Features

• High Accuracy & Precision: Delivers reliable readings with ±20 ppb ±5% of the reading accuracy.

• User-Friendly Operation: Simple one-button operation and easy-to-read digital display.

• Compact & Portable Design: Fits in the palm of your hand for convenient use anywhere.

• Quick Measurement: Provides fast results in a matter of seconds.

• Automatic Shut-Off: Powers down after 10 minutes of inactivity to preserve battery life.

• Cost-Effective Maintenance: Uses affordable replacement reagents and a single AAA battery.

• EPA-Compliant Method: Utilizes the Diazotisation method 354.1 adapted from the EPA standard, ensuring reliable and reproducible results.

Specifications

• Measurement Range: 0 to 600 ppb NO₂-N

• Resolution: 1 ppb

• Accuracy @ 25°C: ±20 ppb ±5% of reading

• Light Source: LED @ 470 nm

• Detector: Silicon photocell

• Method: EPA Diazotisation Method 354.1

• Operating Conditions: 0 to 50°C; up to 95% RH (non-condensing)

• Battery: One 1.5V AAA battery

• Auto-off: After 10 minutes of inactivity

• Dimensions: 81.5 x 61 x 37.5 mm

• Weight: 64 g

Applications

• Aquarium & Aquaculture: Monitor nitrite levels to maintain healthy aquatic environments.

• Drinking Water Testing: Ensure compliance with environmental standards.

• Environmental Monitoring: Ideal for testing surface water, groundwater, and wastewater.

• Educational & Laboratory Use: Great for student labs and environmental science studies.

• Field Testing: Lightweight and durable for on-site testing in remote locations.