| Measurement principle |
Nephelometry (90°) |
| Range |
Auto ranging from 0.02-10, 0.02-100, and 0.02-1000 NTU depending on model |
| Resolution |
0.0001 Selectable |
| Accuracy |
2% of reading or ±0.02 below 40 NTU (0-500 NTU) |
|
5% of reading above 40 NTU (500-1100 NTU) |
| Response time |
Adjustable (5 to 500 seconds) 0 to 1000 NTU |
| Standard outputs |
4-20 ma galvanic isolated or RS-485 |
| RS-485 protocols |
Modbus, HF simplebus, HF Online interface |
| User alarms |
2 user selectable high/low alarms |
| Light source |
White light or infrared (850nm LED) |
| Operating temperature |
0°-50°C (32° to 122°F) |
| Input pressure |
1 - 200psi (built in regulator set at 15psi) |
| Enclosure |
NEMA 4X, IP66 |
| Display |
Multiline custom LCD (backlight option) |
| Certifications |
USEPA, ISO 7027, CE approved, ETL Listed to UL 3111-1 and ETL certified to CSA 22.0 No. 1010-1-92 |