Chloro-Chek® Chloridometer

Laboratory Diagnosis

Early diagnosis and treatment can significantly improve both the quality of life and the lifespan of children born with cystic fibrosis. The proven diagnostic effectiveness of analyzing chloride ions in sweat makes it vital to perform this test soon after birth.

Wescor, an Elitech Group Company, has long been an innovator in the laboratory diagnosis of cystic fibrosis with the Macroduct Sweat Collection System. The Macroduct System has been approved by the U.S. Cystic Fibrosis Foundation for the stimulation and collection of sweat.

The ChloroChek Chloridometer is a perfect diagnostic companion to the Macroduct System. ChloroChek is intended for the quantitative in vitro diagnostic determination of chloride in human sweat using the principle of coulometric titration. Sweat chloride measurements are used in the laboratory diagnosis of cystic fibrosis.

Chloride Titration

The ChloroChek Chloridometer is a coulometric titrator designed to determine chloride ion concentrations in sweat samples with just 10 microliters of sweat. It displays the concentration directly in mmol/L Chloride. The sweat sample is added to an acid buffer/stabilizer working solution. Silver ions are generated by electrolysis from silver electrodes also immersed in the working solution.

The combination of silver ions and chloride ions (from the sweat sample) is a quantitative reaction that is recorded in real time, and is proportional to the chloride ion concentration in the sweat sample.

The ChloroChek is truly simple to use and provides consistent results. It performs accurate coulometric chloride titration of small sweat samples – a huge step forward in the laboratory diagnosis of cystic fibrosis in clinical laboratories that demand fast-paced accuracy at an economical cost.

ChloroChek Chloridometer® Model 3400
Sample Volume

• 10 μL

Duration of Measurement

• Approximately 20 Seconds
• Reproducibility*
• CV of 1.02% at 100 mmol/L

Measurement Display

• 0 – 999 mmol/L

Clinical Measuring Range

• 10 – 160 mmol/L

Resolutionm

• 1 mmol/L over the entire measurement range

Integrated Stir Bar

• PTFE coated magnetic cylindrical stir bar

Environment operating temperature

• Indoor use; no direct sunlight

Operating temperature (ambient)

• 10˚C to 35 ˚C / 50 ˚F to 95 ˚F

Storage temperature

• -40 ˚C to 70 ˚C / -40 ˚F to 158 ˚F

Room humidity

• 5-80% (non-condensing

Altitude

• up to 2000 m

Electrical Voltage

• 100-120 VAC / 200-240 VAC

Frequency

• 50-60 Hz

Powr

• 20 VA

Electrical connection

• Detachable power supply cord

Fuses (2): HBC breaking capacity 1500 A

• 1.0 A for 100-120 VAC
• 0.5 A for 200-240 VAC

Memory backup

• integral lithium cell:(10 years typical)

Dimensions: (W x D x H)

• 20.5 x 22.0 x 36.0 cm (8.0 x 8.1 x 14.2 inches)

Weight

• Approximately 5.7 kg (12.54 lbs.)

*Generally limited by the sample dispensing system (pipette accuracy

*Chloridometer is a registered trademark of Labconco Corporation, exclusively licensed to Wescor, Inc.