Turbidity Meters Technical data Display large LCD display Keypad 5 key polycarbonate membrane, splash proof Power supply 4 AA Alkaline batteries for approx. 20 h continuous operation or 3500 tests Range 0.01 to 1100 NTU 0.1 NTU from 100.0 to 999.9 NTU 1.0 NTU from 1000 to 1100 NTU Housing ABS (base unit) Ambient Temperature: 0 - 50 °C ■ Ideal for regulatory monitoring, process control or field use ■ Simple operation ■ Easy calibration ■ Auto-Ranging ■ Meets USEPA The AL400T-WL allows easy turbidity measurement in either the field or in the laboratory. Using a „white light” source and 90° detection, the AL400T-WL meets the specifications for EPA turbidity measurement (EPA Standard 180.1). A power efficient micro-circuit design allows the instrument to yield 5000 tests on 4-AA alkaline batteries with an estimated 7-10 year bulb life. Integrated diagnostics confirm proper operation and accuracy. The instrument features an Auto-Ranging feature that automatically selects the correct turbidity range for your sample. Calibration is simple with the included calibration standards. Delivery content The AL400T-WL comes ready to use in a sturdy handy case with following accessories: 2 sample cuvettes, 3 turbidity standards, 4 batteries, instruction manual and warranty information Order code: 4194200 Accessories Set of secondary standards 0.02, 10, 1000 NTU Order code: 194280 Set of 3 sample cuvettes with black lid Order code: 194290 General Catalogue April 2018