Product Description
HI 701 Checker HC Handheld Colorimeter - Free ChlorineFeatures:- EPA approved DPD method
- 0.03 ppm 3% of reading accuracy
- 0.01 ppm resolution, 250 points
- Large, easy to read digits
- Auto shut off
- Dedicated to a single parameter
- Small size, big convenience
Specification:
| Range | 0.00 to 2.50 ppm (mg/L) |
| Resolution | 0.01 ppm (mg/L) |
| Accuracy @ 25C | 0.03 ppm 3% of reading |
| Light Source | LED @ 525 nm |
| Light Detector | Silicon photocell |
| Environment | 0 to 50C (32 to 122F); RH max 95% non-condensing |
| Battery Type | (1) 1.5V AAA |
| Auto-off | After two minutes of non-use and ten seconds after reading |
| Dimensions | 81.5 x 61 x 37.5 mm (3.2 x 2.4 x 1.5) |
| Weight | 64 g (2.25 oz.) |
| Method | adaptation of USEPA method 330.5, DPD method |
Accurate and Rapid Chlorine MeasurementThis handheld colorimeter delivers precise free chlorine measurements with up to 0.02 mg/L accuracy and a fast response of under 10 seconds. Enjoy confidence in your water testing, meeting ISO and USEPA standards for laboratory-grade results.
User-Friendly Portable DesignLightweight and compact, the device easily fits into the included storage case, making it a reliable choice for on-site and laboratory testing. Its ABS plastic body ensures durability, and the intuitive push-button controls allow for effortless operation.
Comprehensive Compliance and CalibrationAdhering to ISO 7393-2 and USEPA 330.5 requirements, this colorimeter offers user-calibratable functionality, ensuring ongoing accuracy. The device's digital LCD display and 525 nm LED light source provide clear and consistent readings every time.
FAQ's of Handheld Colorimeter Free Chlorine:
Q: How do I use the handheld colorimeter to measure free chlorine in water samples?
A: Start by filling the provided sample cuvette with 10 mL of the water sample to be tested. Insert the cuvette into the colorimeter, turn the device on using the push button, and follow the LCD display prompts. The instrument will quickly analyze and display the free chlorine concentration within 10 seconds.
Q: What is the benefit of using a handheld colorimeter for free chlorine testing?
A: This handheld colorimeter provides high accuracy (0.02 mg/L), rapid readings, and portability, making it ideal for quick water quality assessments in laboratories, on-site testing, and fieldwork. Its compliance with ISO and USEPA standards ensures reliable results.
Q: When should the colorimeter be calibrated, and how is the process performed?
A: Calibration is recommended before initial use, after prolonged storage, or if measurement accuracy appears off. The user-calibratable feature allows you to recalibrate as needed, following the manufacturer's instructions with calibration standards.
Q: Where can this colorimeter be used effectively?
A: It's suitable for laboratories, environmental monitoring sites, water treatment facilities, and field locations requiring portable and accurate chlorine testing. Its operating temperature range is 0-50C with humidity below 80%.
Q: What sample containers are compatible with this equipment?
A: The colorimeter comes with a sample cuvette, which can be glass or plastic depending on user preference. A sample volume of 10 mL is required for each test.
Q: How is the colorimeter powered, and what is the expected battery life?
A: The device operates on 2 AA batteries (not included). Battery life depends on the frequency of use, but it is designed for efficient power consumption, supporting numerous measurements before replacement is necessary.
Q: What materials constitute the construction of the colorimeter?
A: The colorimeter features a durable ABS plastic body, ensuring sturdy protection and lightweight portability. Its components are suited for repeated field or laboratory use.