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Lab Expo Benchtop Turbidity Meter 25-BTM104 measures water clarity using the 90° scattered light principle with an infrared-emitting diode at 850 nm and silicon photodiode detector. It covers two ranges: 0–100 NTU and 100–1,000 NTU, with a minimum readout of 0.01 NTU and error value of ±6% (±2% F.S.). Zero drift is ±0.5% F.S., calibration uses seven points, and it stores up to 20 data sets. Suitable for quality control in beverage, pharmaceutical, environmental testing and research labs requiring precise turbidity assessment under ISO-aligned conditions.
| Measuring range (NTU) | 0 to 100,100 to 1000 |
| Minimum readout value (NTU) | 0.01, 0.1 |
| Calibration point | 7 |
| Sample volume | 5 to 10 ml |
| Principle method | 90° scattered light |
| Operating temperature | 5 to 40°C |
| Working temperature | 5 to 40°C |
| Light source | Infrared-emitting diode (850 nm λ) |
| Detector | Silicon photodiode |
| Error value | ± 6 % (± 2 % F.S) |
| Zero drift | ± 0.5 % F.S. |
| Reset functions | Yes |
| Memory | Stores up to 20 sets data |
| Output | USB communication interface |
| Power batteries | DC 1.5 V, 5 AA alkaline batteries |
| Power supply | AC 220 V, 50 Hz |
| Dimension | 400 × 300 × 250 mm |
| Weight | 2.5 kg |
FunctionImplementationWater quality testing labs0 to 100,100 to 1000 NTU range enables comprehensive turbidity analysisField sampling stations5 to 40°C operating temperature supports ambient condition useClinical sample processing±6% error value ensures accurate wastewater assessmentIndustrial effluent monitoringStores up to 20 sets data facilitates batch record keepingResearch laboratory workflowsUSB communication interface allows seamless data transfer
| Accessory No. | Name | Quantity |
| 1 | Specimen bottle | 3 pcs |
| 2 | 400 NTU (Formazine) turbidity standard solution | 1 bottle |
| 3 | Power cable | 1 pc |
