Hanna Instruments 733 / HI733 – Ammonia High‑Range Checker HC

Hanna Instruments HI733 – Ammonia High‑Range Checker® HC 🧪🔍

Test ammonia levels digitally with confidence using theHanna Instruments HI733 Ammonia High‑Range Checker® HC. This compact colorimeter provides fast, accurate readings from0.0 to 99.9 ppm NH₄⁺, making it ideal for freshwater aquariums, aquaculture, and laboratory use. Clean, reliable testing without the guesswork.

📌 High-Range Accuracy

Features 0.1 ppm resolution and accuracy of ±1.0 ppm or ±5% of reading using the Nessler colorimetric method. LED at 470 nm and silicon photocell detection deliver precise ammonia levels on demand.

🖐️ One-Step Operation

Zero with blank, add reagents A and B per instructions, insert cuvette, and press a button—your reading appears instantly. Auto shut-off after 10 minutes saves battery life.

🔧 Engineered for Reliability

Built for field and lab use: compact, lightweight, and designed to operate in humid and variable temperature environments (0–50 °C, ≤95% RH). Comes with a durable carrying case and starter reagent kit of 10 tests (HI733‑25).

🔗 Includes HI733‑25 Reagent Pack

Starter reagents included—accurate, sealed, and formulated specifically for the HI733. Buy more anytime with theHI733‑25 Reagent Pack (25 Tests).

🔑 Key Features

• Range: 0.0–99.9 ppm ammonium (NH₄⁺)
• Resolution: 0.1 ppm | Accuracy: ±1.0 ppm or ±5%
• Nessler colorimetric method with LED @ 470 nm & silicon photocell
• Easy one-button operation
• Automatic shut-off after 10 minutes idle
• Includes starter reagent pack (10 tests)
• Compact design, ideal for field or bench use

📦 What’s Included

• HI733 Ammonia High‑Range Checker® HC meter
• HI733‑25 reagent pack (10 tests)
• 2 × 10 mL glass cuvettes with caps
• Color-coded syringe and pipette
• 1 × AAA battery
• Carrying case
• Instruction manual & quick-reference guide

Gain fast, reliable ammonia data for your aquatic system with theHanna HI733 Checker® HC. Accurate results every time. 🌟

More Information

Item	Hanna Instruments Ammonia HR Checker HC
Model Number	HI733
Test Range	0.0–99.9 ppm NH₄⁺
Resolution	0.1 ppm
Accuracy	±1.0 ppm or ±5%
Method	Nessler colorimetric (ASTM D1426‑92)
Detection	LED @ 470 nm / Silicon photocell
Battery	1.5 V AAA
Auto Shut‑Off	After 10 minutes idle
Environment	0–50 °C; ≤95% RH, non-condensing
Dimensions/Weight	81.5 × 61 × 37.5 mm; 64 g
Starter Reagents Included	HI733‑25 (10 tests)
Warranty	1 year

Need refill reagents? Shop HI733‑25 Ammonia Refill or explore the full Hanna Instruments collection atSqueaky’s Aquatics.