Name: TN400 Infrared Turbidimeter | Apera Instruments
SKU: 28APE190008 / AI481
Price: 730.00 EUR
Availability: InStock

The Apera Instruments TN400 provides fast and reliable measurements of the turbidity (turbidity) of liquids. The instrument is equipped with an infrared light emitting diode (860 ± 30 nm) and operates using a nephelometric 90° scattering method that complies with ISO 7027 and DIN EN 27027 standards for determining the turbidity of aqueous solutions. The large LCD with progress indicator and intuitive operating instructions in picture and text form make it user-friendly and easy to operate.

Performs accurate, fast and reliable turbidity measurements
Large TFT color screen with clear on-screen instructions for easy operation
EPA-certified, non-toxic, and easy-to-use AMCOClear® polymer standard solutions.
Average measurement mode for even more accurate values, even with fluctuations during measurement or samples that settle quickly
Waterproof housing according to IP67 enables application in outdoor use e.g. for drinking water analysis, environmental monitoring, etc.
Convenient storage and transport in case together with calibration solution, sample vials and accessories
Quality and safety certificate: ISO 7027 and DIN EN 27027

The TN400 is CE certified and has a 2 year warranty.

Technical Specifications

Measuring method	ISO 7027 and DIN EN 27027 compliant nephelometric method (measurement of scattered infrared light at 90°)
Light source	Infrared LED (860±30nm)
Measuring range	0 ~ 1000 NTU, automatic range selection: 0.01 ~ 19.99 NTU 20.0 ~ 99.9 NTU 100 ~ 1000 NTU
Accuracy	≤ ±2% of reading ± stray light
Reproducibility	≤ ±1% of reading or 0.02 NTU, whichever is greater
Resolution	0.01 / 0.1 / 1 NTU
Stray light	≤ 0.02 NTU
Calibration standard	0, 20, 100, 400, 800 NTU AMCO Polymer or Formazin
Light detector	Silicon photocell
Measuring modes	Normal measurement and average measurement mode
Display	TFT color display
Measuring cells	ø25×60 mm, borosilicate glass with screw cap
Test volume	18 ml
Energy supply	4 × 1.5V AA batteries
Temperature range	0-50°C（32˚F-122˚F）
Operating conditions	Temperature: 0 – 50°C；rel. Humidity: 0 – 90% at 30°C, 0 – 80% at 40°C, 0 – 70% at 50°C, no condensation
Storage conditions	Gauge: -40 to 60°C (-40 to 140°F) Calibration solutions: 5 to 30°C (41 to 86°F)
IP rating	IP67
Quality and safety guidelines	CE / RoHS
Dimensions (W×L×H) /Weight	Meter: (90×203×80) mm/ 385 g Transport case: (310×295×110) mm/ 1.5 kg