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Lab Expo Portable Turbidity meter 25-PTM102 measures turbidity from 0 to 400 NTU using the 90° scattered light method with an infrared-emitting diode at 850 nm and silicon photodiode detector. It features a microprocessor-based system with five-point calibration, stores up to 20 data sets, and offers USB output for data transfer. The device includes reset function, and supports GLP-compliant testing for water quality control in environmental, industrial, and laboratory settings where precise turbidity assessment is required for compliance monitoring or process optimization under ISO standards such as ISO 7 7 .
$2,004.00 $ 1670
| Measuring range (NTU) | 0 to 100,100 to 400 |
| Minimum readout value (NTU) | 0.01, 0.1 |
| Calibration point | 5 |
| 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 | 370 × 260 × 150 mm |
| Weight | 1.5 kg |
Function Implementation Field water testing 5 to 10 ml sample volume enables on-site collection Laboratory analysis 0 to 100,100 to 400 NTU range supports low and high turbidity samples Quality control labs ±6% error value ensures measurement consistency Outdoor operations -20°C to 60°C storage temperature allows environmental resilience Multi-sample processing Stores up to 20 sets data facilitates batch recording
| Accessory No. | Name | Quantity |
| 1 | Specimen bottle | 3 pcs |
| 2 | 400 NTU (Formazine) turbidity standard solution | 1 bottle |
| 3 | Power cable | 1 pc |
| 4 | Carrying box | 1 pc |
Lab Expo Turbidity Meter units are used for water clarity and suspended particle analysis in environmental, laboratory, and water treatment applications. The range includes benchtop and portable turbidity meter systems with measurement ranges up to 1000 NTU, minimum readout values down to 0.01 NTU, and multi-point calibration support for precise turbidity testing.
