Accuracy | ±2% of reading or ±0.02 NTU (whichever is greater) from 0 to 40 NTU |
Accuracy 2 | ±5% of reading from 40 to 100 NTU (Defined according to ISO 15839.) |
Alarm | When connected to sc controller: three set-point alarms, each equipped with an SPDT relay with unpowered contacts rated 5A resistive load at 230 Vac |
Certifications | Listed by ETL to UL 61010A-1: Certified by ETL to CSA C22.2 No. 1010.1: CE certified by Hach Company to EN 61010-1 |
Communication | When connected to sc controller: MODBUS RS232/RS485, PROFIBUS, HART |
Compliance Certifications | Standard Methods 2130B, USEPA 180.1, Hach Method 8195 |
Dimensions (H x W x D) | 254 mm x 305 mm x 406 mm |
Mounting | Turbidimeter body and head assembly: wall and floor stand; sc controller: wall, pole, panel, and floor stand |
Number of Channels | 2 2 |
Operating Humidity | 5 to 95 % non-condensing |
Operating Temperature Range | 0 to 40 °C (Double Sensor System)
0 to 50 °C (Single Sensor System) |
Output | Up to five selectable for 0-20 mA or 4-20 mA; output span programmable over any portion of the 0-100 NTU range; built into the sc Controller
Up to five selectable for 0-20 mA or 4-20 mA; output span programmable over any portion of the 0-100 NTU range; built into the sc Controller |
Power Requirements (Hz) | 50 - 60 Hz |
Power Requirements (Voltage) | 115 - 230 V AC |
Range | 0.001 to 100 Nephelometric Turbidity Units (NTU) |
Repeatability | Better than ± 1.0 % of reading or ±0.002 NTU, whichever is greater (Defined according to ISO 15839.) |
Resolution | 0.0001 NTU up to 9.9999 NTU; 0.001 NTU from 10.000 to 99.999 NTU; 0.01 NTU at 100.00
NTU |
Response Time | Initial response in 1 minute, 15 seconds for a full-scale step change |
Sample Flow Rate | 200 to 750 mL/minute (3.1 to 11.9 gal/hour) |
Sample Input | 1/4 inch NPT female, 1/4 inch compression fitting (provided) |
Sample Output | 1/2 inch NPT female, 1/2 inch hose barb (provided) |
Sample Temperature | 0 to 70 °C (32 to 122°F) |
Ship Wt. (lbs) | 1720E Turbidimeter: 5.9 kg (13 lbs.)
1720E Turbidimeter and sc200 Controller:
6.12 kg (13.5 lbs.) |
Signal Average Time | User selectable from 0, 6, 30, 60, 90 seconds |
Storage Conditions | -20 to 60 °C (-4 to 140 °F) |