TN420 White Light Turbidimeter
Apera Instruments TN420 White Light Turbidimeter, measuring 0 to 1000 NTU (FNU), automatic range selection: 0.01 to 19.99 NTU (FNU) 20.0 to 99.9 NTU (FNU) 100 to 1000 NTU (FNU). IP67-rated housing.
| Measuring Range | 0 to 1000 NTU (FNU), automatic range selection: 0.01 to 19.99 NTU (FNU) 20.0 to 99.9 NTU (FNU) 100 to 1000 NTU (FNU) |
|---|---|
| Resolution | 0.01 / 0.1 / 1 NTU (FNU) |
| Accuracy | ≤ ±2% of the measured value ± stray light |
| Calibration standard | 0, 20, 100, 400, 800 NTU (FNU) AMCO Polymer or Formazin |
| Dimensions & Weight | Meter: (90×203×80) mm/ 385 g Complete set: (310×295×110) mm/ 1.5 kg |
| Energy Supply | 3.7V rechargeable lithium battery |
| Light Detector | Silicon photocell |
| Light Source | Tungsten incandescent lamp (400nm – 600nm) |
| Measuring cells | ø25×60 mm, borosilicate glass with screw cap |
| Measuring Method | U.S. EPA 180.1 compliant nephelometric method (measurement of scattered radiation from white light at 90°) |
| Measuring Modes | Normal measurement and average measurement |
| Operating Conditions | Temperature: 0 – 50 °C (32 °F – 122 °F); rel. Humidity: 0 – 90% at 30°C, 0 – 80% at 40°C, 0 – 70% at 50°C, no condensation |
| Reproducibility | ≤ ±1 % of reading or 0.02 NTU (FNU) (whichever is greater). |
| Security Certificate | CE and RoHS |
| Stray Light | ≤0.02 NTU (FNU) |
| Test Volume | 18 ml |
| Display | TFT color display |
| Housing Protection Class | IP67 |
| Manufacturer | Apera Instruments |
| MPN | AI482 |
| Item number | AI482 |
The Apera Instruments TN420 White Light Turbidimeter delivers fast, accurate, and reliable turbidity measurements using a 90° nephelometric method with a tungsten filament lamp, fully compliant with U.S. EPA 180.1 standards. Ideal for testing drinking water, ground and surface water, and industrial waste, the TN420 offers a user-friendly interface with a large TFT color screen and intuitive instructions. Its IP67 waterproof design ensures durability for both field and laboratory use.
Key Features:
- Accurate & Fast Measurements – Consistent with EPA 180.1 method
- User-Friendly Display – Large color screen with easy on-screen guidance
- EPA-Certified AMCOClear® Standards – Safe, non-toxic, and easy to use
- Waterproof Housing (IP67) – Perfect for outdoor and harsh environments
- ISO9001:2015 & CE Certified – Reliable and quality assured
- 2-Year Warranty – Peace of mind with long-term support
Set Includes:
- TN420 Turbidimeter
- AMCOClear® Calibration Solutions (0, 20, 100, 400, 800 NTU)
- 6x Sample Cuvettes
- 10ml Silicone Oil & Microfiber Cloth
- Screwdriver
- User Manual
- Carrying Case
Product documents
Documents are available to registered customers. Sign in or create a free account — it takes a minute.
Shipping & safety
Frequently bought together
More Lab Supply from Apera Instruments.
Browse more:Apera Instruments Lab SupplyAll Apera Instruments productsAll Lab Supply