Accuracy:

±2% of reading or ±0.02 NTU (whichever is greater) from 0 - 40 NTU

Accuracy 2:

±5% of reading from 40 - 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

Certifications 2:

CE certified by Hach Company to EN61326 (industrial levels)

Communication:

When connected to sc controller: MODBUS RS232/RS485, PROFIBUS, HART

Compliance Certifications:

Standard Methods 2130B, USEPA 180.1, Hach Method 8195

Mounting:

Turbidimeter body and head assembly: wall and floor stand; sc controller: wall, pole, panel, and floor stand

Operating Humidity:

5 - 95 % non-condensing

Operating Temperature Range:

0 - 40 °C (Double Sensor System)
0 - 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

Power Requirements (Hz):

50 - 60 Hz

Power Requirements (Voltage):

100 - 230 VAC

Range:

0.001 - 100 Nephelometric Turbidity Units (NTU)

Repeatability:

Better than ± 1.0 % of reading or ±0.002 NTU, whichever is greater (Defined according to ISO 15839.)

Response Time:

Initial response in 1 minute, 15 seconds for a full-scale step change

Sample Flow Rate:

200 - 750 mL/minute (3.1 - 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 - 70°C (32 - 158°F)

Ship Wt. (lbs):

1720E Turbidimeter: 5.9 kg (13 lbs.)
 1720E Turbidimeter and sc200 Controller:6.31 kg (13.9 lbs.)

Signal Average Time:

User selectable from 0, 6, 30, 60, 90 seconds

Storage Conditions:

-20 to 60 °C (-4 to 140 °F)

Weight:

1720E Turbidimeter: 5.9 kg