Apera Instruments, TN420 Portable White Light Turbidity Meter, EPA 180.1 Compliant
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- Built with a tungsten filament lamp and uses the 90° scattering method, compliant with the U.S EPA 180.1 method
- Reading Error≤ ±2% of reading+ stray light in 0 to 1000 NTU (FNU)
- EPA-approved AMCO high-molecular polymer turbidity standard solutions (0, 20, 100, 400, 800 NTU), non-toxic and disposable, guaranteed one-year shelf life.
- Large screen with a user-friendly operation system
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Select a product to estimate shipping.Apera Instruments TN420 is built with a tungsten filament lamp as the light source and uses the 90° scattering method, which is compliant with the U.S EPA 180.1 method for the determination of turbidity in drinking, ground, surface, and saline waters, domestic and industrial wastes. The instrument is designed for water quality professionals, offering long-term reliability in high-accuracy turbidity measurement with an intuitive operating system and simple calibration. Powered by 3.7V rechargeable lithium battery, the meter can operate continously for up to 20 hours. Everything comes in a rugged carrying case, including the meter, AMCO calibration solutions (0, 20, 100, 400, 800 NTU), 6 pieces of sample vials, USB charger, silicone oil, a microfiber wipe, and a user manual.
Premium-quality tungsten filament lamp light source
Compliant with U.S EPA 180.1 method for the determination of turbidity in drinking, ground, surface, and saline waters, domestic and industrial wastes. The lamp is replaceable.
Intuitive Operation System
The large TFT color screen with graphic navigation supports English, Spanish, and Chinese. Intelligent functions such as automatic calibration, real-time clock display, calibration date check, auto. power off, and low battery reminder are built-in to ensure ease of use.
EPA approved AMCO standards
The kit comes with AMCO high-molecular polymer turbidity standard solutions (0, 20, 100, 400, 800 NTU) - EPA approved primary standards that are safe, non-toxic and disposable, guaranteed one-year shelf life. Store the standards at room temperature. They must NOT be frozen.
Rechargeable battery
3.7V rechargeable lithium battery can supply power for over 20 hours of continuous measurement.
Product details







| Main Specification | |
|---|---|
| Manufacturer | Apera Instruments |
| Brand | Apera Instruments |
| Item Weight | 13.6 ounces |
| Product information | |
| Package Dimensions | 12.32 x 11.22 x 4.33 inches |
| Item model number | AI482 |
| Batteries | 1 Lithium Ion Batteries Required. (Included) |
| Others | |
| Date First Available | 2021 or February 16 |
| Product Type | Turbidity Meters |







