StablCal Stabilised Formazin Standards
Ready-to-use stabilised formazin primary standards for turbidimeter calibration.
- Ready
- to use
- Primary
- standard
- Sealed
- vials

High-range laboratory turbidimeters (0–4 000 or 0–10 000 NTU) for industrial and wastewater samples.
Measures
TL23 series turbidimeters use ratio technology that minimises interference from large particles and colour, making them suited to challenging samples. Automatic sample stability detection simplifies high-volume testing.
| Brand | HACH |
|---|---|
| Instrument type | Laboratory ratio turbidimeter |
| Ranges | 0–4 000 NTU or 0–10 000 NTU (model dependent) |
| Features | Automatic sample stability detection |
| Calibration | Formazin or StablCal primary standards |
Key specifications summarised from manufacturer information. Confirm against the current datasheet before ordering.
Ready-to-use stabilised formazin primary standards for turbidimeter calibration.

Low-level laboratory turbidimeter with patented 360° x 90° detection for filtered and final water.

Lightweight, rugged turbidimeter designed to EPA Method 180.1, with guided calibration and data logging.
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