ISFET elektrodlu Portatif pH metre HORIBA D71

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HORIBA D71 ISFET Electrode Portable pH Meter

Fiyat Sorunuz

Portable pH meter with stab-type ISFET electrode, 0-14 pH range, rugged IP67 design with 1000-hour battery life

  • Measurement range: 0...14 pH
  • Stab-type ISFET pH electrode eliminates glass breakage risk
  • One-handed ergonomic operation
  • Impact, water and dust resistant construction
  • Chemical corrosion resistant
  • Backlit LCD display
  • 1000-hour operation at 10% battery capacity
  • Includes: meter, user manual, battery
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Kargolama ve Teslimat

  • Kurye Teslimatı

Kuryemiz belirtilen adrese teslimat yapacaktır.

2-3 Gün

Ü.A. Kargo

  • Aras Kargo Teslimatı

Aras Kargo kuryesi belirtilen adrese teslimat yapacaktır.

1-3 Gün

Ücretsiz Kargo

  • Garanti 2 yıl

Daha fazla detay

  • 14 Günlük ücretsiz iade

Daha fazla detay

The HORIBA D71 is a durable, single-handed portable pH meter equipped with ISFET (Ion-Selective Field Effect Transistor) electrode technology. It features FDA-compliant PEEK housing, EHEDG-certified cleanability, automatic 5-point calibration, and 1000-measurement data memory. Engineered for food processing and biotechnology applications where sample integrity and cleanability are critical.

Technical Specifications

Measurement Principle Electrode method
pH Measurement Range 0.00 ~ 14.00
pH Display Range (out-of-range) -2.00 ~ 16.00
pH Resolution 0.01 pH
pH Repeatability ±0.01 pH ±1 digit
Automatic Calibration 5-point
Calibration Standards US/NIST selectable
Calibration Interval Alarm Yes
Temperature Measurement Range (display) 0.0 ~ 100.0 °C (-30 ~ 130 °C out-of-range)
Temperature Resolution 0.1 °C
Temperature Repeatability ±0.1 °C ±1 digit
Temperature Calibration Yes
Display Type Dedicated LCD
Data Memory 1000 measurements
Temperature Compensation Automatic/Manual
Auto Hold Function Yes
Sample ID Entry Yes
Clock Function Yes
Auto Power-Off Yes
Battery Level Indicator Yes
Water/Dust Rating IP67
Operating Temperature/Humidity 0 ~ 45 °C, ≤80% RH (non-condensing)
Power Source 2 × LR03/AAA alkaline or Ni-MH rechargeable batteries; optional AC adapter 100-240V, 50/60 Hz
Current Consumption 1 mA
Battery Life Approx. 1000 hours
Dimensions Approx. 67 (80) × 28 (42) × 170 mm (values in parentheses are maximum thickness)
Weight (including batteries and electrode) Approx. 270 g

Applications

  • Food and beverage processing quality control
  • Biotechnology and pharmaceutical applications
  • Laboratory pH analysis and testing
  • Field environmental monitoring
  • Cleanroom and sanitary process environments
  • Clinical and diagnostic testing
  • Research and development
  • Process optimization in manufacturing

Frequently Asked Questions

What makes ISFET electrodes superior to traditional glass electrodes?
ISFET electrodes eliminate the glass breakage risk present in traditional combination pH sensors. The ion-selective field effect transistor (ISFET) gate technology enables accurate pH measurement in areas inaccessible to glass electrodes due to safety concerns, while maintaining reliability in demanding applications.
Is the ISFET electrode certified for food and pharmaceutical use?
Yes. The ISFET pH sensors feature FDA-compliant PEEK housing and their cleanability is certified by EHEDG (European Hygienic Engineering & Design Group), making them suitable for food processing and biotechnology applications where cleanliness is critical.
How many calibration points can the D71 perform?
The D71 supports automatic 5-point calibration. It can automatically detect standard solutions and is compatible with both US and NIST calibration standards. Calibration interval alarms alert users when recalibration is needed.
What is the water resistance rating?
The D71 meets IP67 standards, providing water and dust-proof performance. It maintains waterproof integrity when submerged approximately 1 meter underwater for up to 30 minutes without performance loss.
How long does the battery last?
The meter operates for approximately 1000 hours on AAA alkaline or Ni-MH rechargeable batteries. It can operate for 1000 hours even at 10% battery capacity. An optional AC adapter is available for continuous operation.
What data storage capacity does the D71 have?
The D71 includes built-in data memory that stores up to 1000 individual measurements, each with optional sample ID identification and timestamp.

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