Nitrite Low-Range Portable Photometer-meter only
$467.690
+ IVA
Disponible Pronto
Disponible para entrega hasta en 90 días.
Disponible Pronto
HI97707 is an advanced portable photometer for the measurement of low levels of nitrite 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
CARACTERíSTICAS DEL PRODUCTO
Nitrites can be harmful to aquatic organisms even in low concentrations and for this reason, they are closely monitored in aquaculture facilities. In cooling towers, however, an adequate amount of nitrites is necessary to prevent corrosion. In high concentrations, they can be harmful to the environment and to humans. They are, therefore, normally monitored to verify the quality of water for domestic use, as well as lakes and ponds.Nitrites are an intermediate product in the nitrogen cycle and are produced by ammonia oxidation with water, or even originate in industrial waste directly. They must not be present in drinking water.The HI97707 uses an adaptation of the EPA approved Diazotization method 354.1 to measure nitrite concentrations in the 0to 600 ?g/L (ppb) range. When the reagent is added to samples containing nitrite, the sample will turn a pink tint; 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 complimentary color, and the emitted radiation is dependent upon concentration. For low levels of nitrite, a narrow band interference filter at 466 nm. 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 CheckAdvanced features including CAL-Check to verify performance and if necessary, recalibrate.
Multiple Chemical Forms Results can be displayed in multiple chemical forms.
Setup OptionsSetup options for meter personalization include date and time format, language, and enabling the tutorial mode.
Tutorial ModeTutorial mode for step-by-step instructions to guide a first-time user in how to perform a measurement correctly.
Reaction TimerBuilt-in reaction timer that ensures consistency amongst multiple users.
HI97707 FEATURES/BENEFITS:
Stable Light Source:
- The internal reference system of the HI97707 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 HI97707 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 HI97707 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.
| Peso |
0 , 5 kg |
|---|
| Especificación | Detalle |
| Código | BL100 |
| Intervalo de pH | 0.00 a 14.00 pH |
| Resolución de pH | 0.01 pH |
| Exactitud de pH (@25°C/77°F) | ±0.10 pH |
| Intervalo de temperatura | -5.0 a 105°C (23.0 a 221.0°F) |
| Resolución de temperatura | 0.1°C (0.1°F) |
| Exactitud de temperatura (@25°C/77°F) | ±0.5°C (±0.9°F) |
| Compensación de temperatura | automática |
| Calibración | Calibración de usuario: automática, uno o dos puntos con solución estándar (4.01, 7.01, 10.01 pH) Calibración del proceso: un punto, ajustable (± 0.50 pH cercano al valor de pH medido) |
| Control de la bomba | flujo seleccionable (0.5 a 3.5 L / hora; 0.13 a 0.92 G / hora)
control manual para cebado de bomba |
| Alarmas | alto y bajo con la opción de habilitar / deshabilitar
se activa después de 5 seg. si el controlador registra un conjunto de lecturas consecutivas por encima / debajo del nivel de valores umbral con la opción habilitar / deshabilitar protección de tiempo extra (1 a 180 min. o apagado) sistema de alarma intuitivo con luz de fondo roja, verde claro y verde |
| Entrada externa | entrada para controlador de nivel o interruptor de flujo para desactivar la bomba dosificadora en caso de que no haya productos químicos cuando se usa un controlador de nivel o no hay flujo cuando se usa un interruptor de flujo - aislado galvánicamente |
| Salida de relevador de alarma | SPDT 2.5A / 230 VCA |
| Fuente de alimentación | 100—240 VAC, 50/60 Hz |
| Consumo de energía | 15 VA |
| Cubierta | Bomba incorporada incorporada en la carcasa, con clasificación IP65 |
| Condiciones ambientales | 0-50°C (32-122°F), max. 95% HR sin condensar |
| Dimensiones | 90 x 142 x 80 mm (3.5 x 5.6 x 1.8”) |
| Peso | 910 g (32 oz.) |
| Información para ordenar | BL100-00 se suministra con una sonda de pH / temperatura HI10053, solución de calibración de pH 4.01, 20 ml (3), solución de calibración de pH 7.01, 20 ml (3), cable de conexión de alimentación, manual de instrucciones y certificados de calidad para instrumento y sonda.
BL100-10 (con kit de montaje en línea) se suministra con controlador BL100, sonda de pH / temperatura HI10053, filtro de aspiración del controlador de la piscina, inyector del controlador de la piscina, rosca de 1/2 ”, soporte para tubería de Ø 50 mm (2), tubo de aspiración de PVC (flexible) (5 m), tubo de inyección de PE (rígido) (5 m), válvulas (2), solución de calibración de pH 4.01, 20 ml (3), solución de calibración de pH 7.01, 20 ml (3), cable de alimentación, manual de instrucciones y certificados de calidad para instrumento y sonda. BL100-20 (con kit de montaje de celda de flujo) se suministra con controlador BL100, sonda de pH / temperatura HI10053, celda de flujo para BL100 / BL101, conjunto de panel de montaje para BL100 / BL101, filtro de aspiración del controlador de piscina, inyector del controlador de piscina, rosca de 1/2”,soporte para tubo de Ø 50 mm (3), tubo de PVC de aspiración (flexible) (5 m), tubo de inyección de PE de dosificación (rígido) (15 m), adaptador de tubo 1/2” - 6 mm (2) , válvulas (2), solución de calibración de pH 4.01, 20 ml (3), solución de calibración de pH 7.01, 20 ml (3), cable de alimentación, manual de instrucciones y certificados de calidad para instrumento y sonda. |
| Sonda recomendada | Sonda de pH / temperatura digital HI10053 con conector DIN rápido, aislado galvánicamente |
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