LOVIBOND TB 250 WL

The TB 250 WL allows easy turbidity measurement in either the field or in the laboratory. Highlights ideal for regulatory monitoring, process control or field use simple operation easy calibration Auto-Ranging meets USEPA Description of unit Using a „ white light“ source and 90° detection, the TB 250 WL meets the specifications for EPA turbidity measurement ( EPA Standard 180.1) . A power efficient micro-circuit design allows the instrument to yield 5000 testson 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. The instrument comes with all required items for testing including the TB 250 WL Turbidimeter, sample cuvettes, batteries, calibration set, operators manual and carrying case. Delivery Content: TB 250 WL, 2 sample vials, 3 turbidity standards, 4 batteries, instruction manual and guarantee sheet. Specification: Display Large 4 digit 7 segmented LCD with specific characters Keypad 5 key polycarbonate membrane, acid and solvent resistant, splash proof Power Supply 4 x AA Alkaline batteries. Approx 20h continuous operation or 3500 tests Measurement Range 0.01-1100 NTU, automatic range selection Accuracy ± 2% of reading ( 0-500 NTU) ± 3% of reading ( 500-1100 NTU) Resolution Range Resolution 0-99.99 NTU 0.01 NTU 100.0-999.9 NTU 0.1 NTU 1000-1100 NTU 1.0 NTU Light Source Tungsten lamp, 7-10 year bulb life Housing ABS Dimensions 210 x 95 x 45 mm ( unit) 390 x 295 x 106 mm ( case) Weight approx 0.45kg ( base unit) Ambient Conditions Temperature 0-50 ° C Rel humidity 0-90% Auto Off 5 minutes after last keypress Conformity CE