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Bromine, Chlorine, Cyanuric Acid, Iodine, Iron, and pH Portable Photometer with CAL Check Hanna Instruments HI97101

Máy đo quang Brom, Clo, Axit cyanuric, Iốt, Sắt và pH với Kiểm tra CAL - Hana Instruments HI97101

Product Information

Manufacturer: Hanna Instrument
Model: HI97101
Warranty: 12 months

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Categories: Chlorine - Turbidity - Flouride, pH Meter

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Tel: (028).3977.8269 / 0906.988.447

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Description
Documents

HI97101 is an advanced portable photometer for the measurement of bromine, chlorine, cyanuric acid, iodine, iron, and pH in water. This meter offers a superior optical system that utilizes a reference detector and narrow band interference filters for extremely fast and repeatable measurements.
No warm up time before taking a measurement
Tutorial mode for step-by-step instructions
CAL Check to verify meter performance
The HI97101offers multiple methods within one meter. Bromine, chlorine, and iodine determination use the DPD method; iron determination uses an adaptation of the TPTZ method; pH determination uses the phenol red method; cyanuric acid determination uses an adaptation of the turbidimetric method. The reagents are in powder and liquid form depending on the parameter being tested.
Chlorine is the most commonly used water disinfectant used by homeowners, hotels, and commercial businesses. In swimming pools, spas, and similar applications, cyanuric acid helps to stabilize chlorine and prevent its breakdown, especially in sunlight. Frequent testing of both cyanuric acid and pH helps to minimize chlorine consumption. The disinfecting properties of bromine and iodine have led to their use as alternatives to chlorine. One of the most common applications of iodine is poultry industry process water, while bromine is used in sanitization of cooling towers and pools and spas.
When the appropriate reagent is added to the sample, it will display a color change; the greater the concentration, the deeper the color. The associated color change is then colorimetrically analyzed according to the Beer-Lambert Law. This principle states that light is absorbed by a complementary color, and the emitted radiation is dependent upon concentration. For determination of all six parameters, a narrow band interference filter at 525 nm (green) allows only green light to be detected by the silicon photodetector and omits all other visible light emitted from the tungsten lamp. As the change in color of the reacted sample increases, absorbance of the specific wavelength of light also increases, while transmittance decreases.
LED that generates very little heat.

8 nm narrowband interference filter that is accurate to +/- 1 nm.

Reference detector that modulates the voltage to LED for consistent light output.

A concave focusing lens that reduces errors from imperfections in the cuvette.
On-Screen Features
CAL Check
Advanced features including CAL-Check to verify performance and if necessary, recalibrate.
Setup Options
Setup options for meter personalization include date and time format, language, and enabling the tutorial mode.
Tutorial Mode
Tutorial mode for step-by-step instructions to guide a first-time user in how to perform a measurement correctly.
Reaction Timer
Built-in reaction timer that ensures consistency amongst multiple users.
HI97101 FEATURES/BENEFITS:
Stable Light Source:
The internal reference system of the HI97101 photometer compensates for any drifts due to power fluctuations or ambient temperature changes. With a stable source of light the readings are fast and stable between your blank (zero) measurement and sample measurement.
High Efficiency Light Source:
LED light sources offer superior performance compared to tungsten lamps. LEDs have a much higher luminous efficiency, providing more light while using less power. They also produce little heat, which could otherwise affect electronic stability.
High Quality Filters:
Improved optical filters ensure greater wavelength accuracy and allow a brighter, stronger signal to be received. The end result is higher measurement stability and less wavelength error.
Greater Light Yield:
A focusing lens collects all of the light that exits the cuvette, eliminating errors from imperfections and scratches that may be present in the glass. The use of the convex lens reduces the need for indexing cuvettes.
CAL Check Functionality:
Hanna’s exclusive CAL Check feature allows for performance verification and calibration of the meter using NIST traceable standards. Our CAL Check standard vials are developed to simulate a specific absorbance value at each wavelength to verify the accuracy of subsequent readings.
Large Cuvette Size:
The sample cell of the HI97101 fits a round, glass cuvette with a 25 mm path length. The relatively long path length of the sample cuvette allows the light to pass through more of the sample solution, ensuring accurate measurements even in low absorbance samples.
Intuitive Dot Matrix Display:
The HI97101 is designed with a backlit, graphic LCD. With virtual keys, a battery status indicator, and error messages. Users will find the meter interface intuitive and easy to read. A dedicated help key provides information relating to the current meter operation, and can be used at any stage in the setup or measurement process to show contextual help.
Auto-off Protection:
The meter uses three common AA batteries that allow for about 800 measurements to be taken. The auto-off feature automatically shuts off the meter after 15 minutes of inactivity in order conserve battery life.

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Thông số kỹ thuật

pH Range	6.5 to 8.5 pH
pH Resolution	0.1 pH
pH Accuracy	±0.1 pH of reading at 25°C
pH Method	Adaptation of the Phenol Red Method
Bromine Range	0.00 to 10.00 mg/L (as Br₂)
Bromine Resolution	0.01 mg/L
Bromine Accuracy	±0.08 mg/L ±3% of reading at 25°C
Bromine Method	adaptation of Standard Methods for the Examination of Water and Wastewater, 23rd Edition, DPD Method
Free Chlorine Range	0.00 to 5.00 mg/L (as Cl₂)
Free Chlorine Resolution	0.01 mg/L
Free Chlorine Accuracy	±0.03 mg/L ±3% of reading at 25 °C
Total Chlorine Range	0.00 to 5.00 mg/L (as Cl₂)
Total Chlorine Resolution	0.01 mg/L
Total Chlorine Accuracy	±0.03 mg/L ±3% of reading at 25°C
Chlorine Method	adaptation of the US EPA Method 330.5, DPD Colorimetric Method
Cyanuric Acid Range	0 to 80 mg/L (as CYA)
Cyanuric Acid Resolution	1 mg/L
Cyanuric Acid Accuracy	±1 mg/L ±15% of reading at 25 °C
Cyanuric Acid Method	adaptation of the Turbidimetric Method
Iodine Range	0.0 to 12.5 mg/L (as I₂)
Iodine Resolution	0.1 mg/L
Iodine Accuracy	±0.1 mg/L ±5% of reading at 25°C
Iodine Method	adaptation of Standard Methods for the Examination of Water and Wastewater, 23rd Edition, DPD Method
Photometer/Colorimeter Light Source	LED with 525 nm bandpass filter
Photometer/Colorimeter Light Detector	silicon photocell
Bandpass Filter Bandwidth	8 nm
Bandpass Filter Wavelength Accuracy	±1.0 nm
Cuvette Type	round 24.6 mm diameter (22 mm inside)
GLP	yes
Display	128 x 64 pixel B/W LCD with backlight
Logging Memory	50 readings
Battery Type/Life	1.5 V AA Alkaline (3 pcs.) / > 800 measurements (without backlight)
Automatic Shut-Off	after 15 minutes of inactivity (30 minutes before a READ measurement)
Environment	0 to 50°C (32 to 122°F); 0 to 100% RH (IP67)
Weight	380 g (13.4 oz.)
Dimensions	142.5 x 102.5 x 50.5 mm (5.6 x 4.0 x 2.0″)
Ordering Information	HI97101C is supplied with CAL Check standards, cuvettes (2), caps (2), plastic inserts for cuvette, (2), scissors, cuvette cleaning cloth, 1.5V AA batteries (3), instruction manual, and instrument quality certificate packaged in a rugged, thermoformed, carrying case. HI97101 is supplied with cuvettes (2), caps (2), plastic inserts for cuvettes (2), 1.5V AA batteries (3), instruction manual, and instrument quality certificate.