Hach Master Catalog 2025

Chlorine • Process Instruments Chlorine Analyzer Quick Reference Guide

85

Model

CL17sc

ULRCL17sc Total Chlorine Colorimetric

CLF10sc/CLT10sc

Parameter

Free Chlorine, Total Chlorine

Free Chlorine (CLF10sc), Total Chlorine (CLT10sc) Reagentless, electrochemical, three-electrode amperometric system

Measurement Method

Colorimetric

Drinking Water Wastewater Food and Beverage Pharmaceutical Power Semiconductor 0.008 - 5 mg/L Cl 2 0.008 mg/L Cl 2 at 25°C

Drinking Water Wastewater Food and Beverage Pharmaceutical Power Semiconductor

Drinking Water Process Water Wastewater and Reused Water Power

Application

Range

0 - 10 mg/L free or total residual chlorine

0 - 20ppmCl 2

Lower Limit of Detection (LOD)

30 ppb (0.03 ppm)

0.03mg/L

Free Chlorine: ±3% of the reference test (DPD) at constant pH less than 7.2 (±0.2 pH unit) ±10% of the reference test (DPD) at stable pH less than 8.5 (±0.5 pH unit from the pH at calibration) Total Chlorine: ±10% of the reference test (DPD) at stable pH less than 8.5 (±0.5 pH unit from the pH at calibration) ±20% of the reference test (DPD) at stable pH greater than 8.5 Free chlorine: monochloramine, chlorine dioxide, ozone, and chalk deposits. Total chlorine: chlorine dioxide, ozone and chalk deposits

± 5% or ± 0.04 mg/L (whichever is greater) from 0 - 5 mg/L Cl 2 ± 10% from 5 - 10 mg/L Cl 2

± 5% or ± 0.01 mg/L (whichever is greater) from 0 - 4 mg/L; ± 10% from 4 - 5 mg/L

Accuracy

Other oxidizing agents such as bromide, chlorine dioxide, permanganate, and ozone will cause a positive interference. Hardness must not exceed 1,000 mg/L CaCO 3 . 0.5Lof bu ff er solution and 0.5 L of indicator solution in 31 days

Other oxidizing agents such as bromide, chlorine dioxide, permanganate, and ozone will cause a positive interference. 0.5Lof bu ff er solution and 0.5 L of indicator solution in 31 days

Interferences

Reagent Consumption Sample Temperature

5 - 40 °C (41 - 104 °F)

5 - 40 °C (41 - 104 °F)

5 - 45 °C (41 - 113 °F)

LED, measurement at 510 nm, 1 cm light pathlength

LED, measurement at 510 nm, 1 cm light pathlength

Light Source

CE compliant with: EN 61326-1, CISPR 11, EN50581 ACMARCM South Korea KC Certi fi cate North America: FCC Supplier’s Declaration of Conformance, IEC/EN 60529, ICES-003

CE compliant with: EN 61326-1, CISPR 11, EN50581 ACMARCM South Korea KC Certi fi cate North America: FCC Supplier’s Declaration of Conformance, IEC/EN 60529, ICES-003

CE compliant for conducted and radiated emissions: - CISPR 11 (Class A limits) - EMC Immunity EN 61326-1 (Industrial limits)

Certi fi cations

Additional certi fi cations when connected to an sc controller

Dimensions (H x W x D)

342 x 329 x 177 mm (13.46 x 12.95 x 6.97 in.) 342 x 329 x 177 mm (13.46 x 12.95 x 6.97 in.)

483 x 495 x 151 mm (19 x 19.5 x 5.9 in.)

Approximately 5.5 kg (12 lbs) Panel and empty panel-mounted components only

Weight

4.1 kg (9.0 lbs.)

4.1 kg (9.0 lbs.)

Controller Compatibility

Digital SC Controller

Please note that a Hach SC controller is required for operation, controller must be purchased separately.

*Subject to change without notice.