TB 250 WL
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TB250 WL – Compact Lovibond® White Light Turbidity Meter
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Description
The TB 250 WL allows easy turbidity measurement in either the field or in the laboratory. Using a “White Light” source and 90° detection, theTB 250 WL meets the specifications for EPA turbidity measurement (EPA standard 180.1). A powerefficient micro-circuit design allows the instrument to yeild 5000 tests on alkaline batteries with an estimated 7 to 10 year bulb life. Intergrated diagnosits confirm proper operation and accuracy. The instrument provides an Auto-Range feature that automatically slects the correct turbidity range for the 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 curvettes, batteries, calibration set, operators manual and carrying case.
| Contents | |
|---|---|
| Instrument in sturdy handycase | 3 turbidity standards (0.2, 10, and 1000 NTU) |
| 4 AA battery | 2 sample vials (Ø 24 mm) with lids |
| 12 month warranty | Certificate of Compliance |
| Instruction Manual |
| Technical Data | |
|---|---|
| Display | Large LCD display |
| Keypad | 5 key polycarbonate membrane, splash proof |
| Power supply | 4 AA Alkaline batteries for approx. 20 hr continuous operation or up to 3500 tests |
| Range (Auto-range) | 0.01 to 1100 NTU |
| Accuracy | ± 2% of reading or ± 0.01 NTU (0 to 500 NTU), ± 3% (500 to 1100 NTU) |
| Resolution | 0.01 to 99.99 NTU = 0.01 NTU, 100.0 to 999.9 NTU = 0.1 NTU, 1000 to 1100 NTU = 1 NTU |
| Housing | ABS |
| Dimensions | 210 (L) x 95 (W) x 45 (H) mm |
| Weight (base unit) | approx. 0.45 kg |
| Ambient conditions | Temperature: 0 to 50 °C rel. humidity 0 to 90% |
| EC-Conformity | CE |
