Análisis de líquidos
Instrava Benchtop pH Meters are designed for high-precision laboratory analysis where measurement accuracy, calibration flexibility, and data traceability are essential.
With 0.001 pH resolution, ±0.002 pH electronic accuracy, 1–5 point calibration with automatic buffer recognition, and full GLP-compliant data management, the system delivers research-grade analytical reliability.
The 7-inch high-definition color LCD, intelligent endpoint detection, automatic electrode diagnostics, and multi-mode reading functions provide a stable and professional measurement experience.
For laboratories, environmental agencies, research institutions, and industrial quality control departments, Instrava offers precision backed by structured data control.
Análisis de líquidos Descripción
Benchtop pH Meters Applicable Scenarios
Instrava Benchtop pH Meters are suitable for:
Research laboratories and universities
Pharmaceutical and medical laboratories
Environmental monitoring centers
Chemical process laboratories
Water quality compliance testing
Industrial product quality verification
The instrument supports high-accuracy measurement across complex and variable laboratory sample conditions.
Benchtop pH Meters Engineering Advantages
pH range: -2.000 – 20.000 pH
Resolution selectable: 0.001 / 0.01 / 0.1 pH
Electronic unit error: ±0.002 pH
mV range: -2000.00 – 2000.00 mV
mV resolution selectable: 0.01 / 0.1 / 1 mV
Delivers laboratory-grade sensitivity and analytical flexibility.
Automatic standard buffer recognition
Selectable buffer groups: NIST, DIN, GB, USA, MERK
Custom buffer group support
Automatic electrode slope and offset diagnosis
Multi-point calibration enhances linearity and improves measurement accuracy across wide pH ranges.
Auto-read
Timed-read
Continuous-read
Auto-hold endpoint detection
Smart endpoint recognition ensures stable and repeatable data capture.
Temperature range: -10.0 – 135.0°C
Automatic / Manual temperature compensation
Temperature unit selectable (°C / °F)
Electronic temperature error: ±0.1°C
Ensures accurate slope correction across varying laboratory conditions.
Data storage: 500 sets
Supports viewing, deleting, filtering by time
Table and curve display modes
Data export via USB
Direct printing via RS-232
Designed for full traceability in regulated laboratory environments.
7-inch high-definition color LCD
Button operation with bilingual support
Startup self-diagnosis
Auto power-off
Power failure protection
Firmware upgrade support
Reset to factory settings
IP54-rated housing enhances reliability in laboratory conditions.
Includes:
E-301-QC 3-in-1 pH composite electrode
NIST standard buffer solutions (4.01 / 7.00 / 10.01)
REX-5 electrode stand
Dust cover
Ready for immediate laboratory deployment.
Parámetro de análisis de líquidos
| Parámetro | Especificación |
|---|---|
| Rango de pH | -2.000 – 20.000 pH |
| Resolución del pH | 0.001 / 0.01 / 0.1 pH |
| Electronic pH Error | ±0.002 pH |
| mV Range | -2000.00 – 2000.00 mV |
| mV Resolución | 0.01 / 0.1 / 1 mV |
| mV Error | ±0.03% or ±0.1 mV |
| Temperatura | -10.0 – 135.0°C |
| Resolución de temperatura | 0.1°C |
| Temperature Electronic Error | ±0.1°C |
| Instrument Temp Error | ±0.3°C (0–60°C), ±1.0°C (others) |
| Parámetro | Especificación |
|---|---|
| Puntos de calibración | 1–5 points |
| Buffer Groups | NIST, DIN, GB, USA, MERK + Custom |
| Almacenamiento de datos | 500 sets (GLP compliant) |
| Comunicación | USB / RS-232 |
| Print Support | Sí |
| Mostrar | 7-inch HD color LCD |
| Grado de protección | IP54 |
| Parámetro | Especificación |
|---|---|
| Fuente de alimentación | AC100–240V input, DC20V output adapter |
| Dimensiones | 242 × 195 × 68 mm |
| Peso | Approx. 0.9 kg |
Instrava Benchtop pH Meters combine ultra-high resolution, intelligent calibration systems, electrode diagnostics, and GLP-compliant data management to meet the requirements of advanced laboratory environments.
From academic research to regulated industrial testing, the system ensures precision, repeatability, and traceable analytical control.
Instrava — Engineered for Laboratory-Grade Excellence.
Instrava OEM/ODM
Instrumentos fiables. Soluciones que se adaptan a su aplicación.
Instrava se centra en ofrecer soluciones industriales fiables a través de productos cuidadosamente seleccionados, optimización basada en aplicaciones y personalización flexible. Seleccionamos instrumentos probados de fabricantes de confianza para garantizar una calidad constante, optimizamos soluciones basadas en condiciones de trabajo reales para resolver retos prácticos y ofrecemos configuraciones a medida para satisfacer las necesidades de aplicaciones específicas.
Combinando la experiencia en selección con la comprensión de las aplicaciones, Instrava ayuda a sus clientes a reducir riesgos, mejorar la eficacia y obtener resultados fiables en entornos industriales complejos.
Recomendaciones de productos relacionados
What is the principle behind 5-point pH calibration?
Five-point calibration establishes multiple reference points across a wide pH range to refine electrode slope and offset correction.
Compared to two-point calibration, multi-point calibration improves linearity over extended ranges (e.g., -2.000 to 20.000 pH), particularly when measuring diverse sample matrices.
It is recommended for research applications requiring high accuracy across acidic, neutral, and alkaline conditions.
What is the acceptable electrode slope range in laboratory standards?
The theoretical Nernst slope at 25°C is approximately 59.16 mV per pH.
In practical laboratory conditions, acceptable electrode slope typically ranges between 95%–105% of theoretical value.
Significant deviation may indicate electrode aging, contamination, or reference junction issues. The built-in electrode diagnostics help identify slope and offset status before measurement.
How should electrode offset values be interpreted?
Offset represents the potential deviation at pH 7.00.
A properly functioning electrode typically shows minimal offset (close to 0 mV).
Large offset values may suggest:
Reference contamination
Glass membrane degradation
Improper calibration procedure
Routine monitoring of slope and offset ensures analytical reliability.
How does the system support GLP compliance?
GLP compliance is achieved through:
Storage of up to 500 measurement datasets
Time-stamped records
Calibration data retention
Data filtering and retrieval functions
Direct printing via RS-232
USB data transfer to PC systems
This structured data management enables traceability required in regulated research and pharmaceutical laboratories.
What is the purpose of firmware upgrade functionality in laboratory instruments?
Firmware upgrade capability ensures:
Long-term compatibility with evolving laboratory standards
Feature optimization
Bug fixes and performance improvements
Extended instrument lifecycle
It protects laboratory investment and maintains compliance adaptability.
When is multi-reading mode (auto, timed, continuous) recommended?
Auto-read mode is ideal for routine laboratory measurement requiring endpoint stability.
Timed-read mode supports standardized testing procedures.
Continuous-read mode is suitable for dynamic reaction monitoring or titration observation.
Selecting the appropriate reading mode improves repeatability and measurement consistency.
Basados en la coherencia, no en las reclamaciones
Estamos especializados en el análisis y la detección industriales, con una clara comprensión de los entornos operativos y los requisitos del mundo real.
Cada instrumento se evalúa en función de su rendimiento, estabilidad e idoneidad para la aplicación, no sólo de sus especificaciones o precios.
Trabajamos con fabricantes de confianza para garantizar un suministro estable, una calidad constante y una entrega fiable.
Nuestras recomendaciones se basan en el conocimiento de la aplicación, lo que ayuda a los clientes a evitar problemas comunes y lograr resultados fiables.
Instrava se ha creado para reducir la incertidumbre, de modo que cada decisión que tome sea más clara, segura y fiable.
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