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Pocket-sized Calcium Ion Meter HORIBA LaquaTwin B751

Fiyat Sorunuz

Ca²⁺ Ion-Selective Electrode (ISE) Portable Meter for On-Site Field Measurement

Ion-selective electrode (ISE) technology for ionized calcium measurement
Measurement range: 40 to 4000 ppm (mg/L)
Automatic range switching and temperature compensation
IP67 water/dust resistant construction
Auto-hold and auto-shutoff (30 minutes) functions
Two-point calibration capability
Compact pocket-sized design: 164 × 29 × 20 mm
Approximately 400 hours battery life (CR2032 × 2)

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Daha fazla detay

Ion-selective electrode method enables precise on-site measurement of ionized calcium concentration. The HORIBA LaquaTwin B751 is a compact, portable analyzer designed for rapid analysis of calcium ions in soil, water, agricultural, food, and biomedical applications. Features automatic range switching, temperature compensation, and IP67 water/dust resistance for reliable field use.

Technical Specifications

Model	B-751
Measurement Principle	Ion-selective electrode (ISE) method
Measurement Range	40 to 4000 ppm (mg/L) (10⁻³ to 10⁻¹ mol/L)
Display Range	0 to 9900 ppm (mg/L)
Range & Resolution	0-1.0 ppm: 0.1 ppm \| 0-99 ppm: 1 ppm \| 100-990 ppm: 10 ppm \| 1000-9900 ppm: 100 ppm
Accuracy	±20% of reading
Display	Custom monochrome digital LCD
Operating Temperature/Humidity	5 to 40°C at relative humidity ≤85% (no condensation)
Power Supply	CR2032 batteries (×2)
Battery Life	Approx. 400 hours continuous use
Primary Material	ABS epoxy
Dimensions/Weight	164 mm × 29 mm × 20 mm (excluding protrusions) / Approx. 50 g (battery excluded)
Interfering Ion Selectivity Coefficients & pH Range	Na⁺, K⁺, Mg²⁺ = 1×10⁻³ \| Fe²⁺, Zn²⁺ = 1 \| Fe³⁺ = 10⁻² \| Cu²⁺ = 1×10⁻² \| pH range 4 to 10 for ~12×10⁻³ mol/L Ca²⁺

Applications

Soil testing and nutrient analysis
Food quality control and processing verification
Crop and yield management monitoring
Clinical and health management applications
Coral restoration and aquaculture management
Water hardness measurement and assessment

Frequently Asked Questions

What measurement principle does the LaquaTwin B751 use?

The instrument uses ion-selective electrode (ISE) technology, which directly measures the concentration of ionized calcium (Ca²⁺) in the sample without pre-treatment.

Is the B751 suitable for field use?

Yes. The meter is pocket-sized, IP67 water/dust resistant, powered by standard CR2032 batteries, and features auto-hold and auto-shutoff functions, making it ideal for on-site field measurements.

What is the accuracy of the B751?

The accuracy is ±20% of the reading value across the measurement range.

How long does the battery last?

With CR2032 batteries (×2), continuous battery life is approximately 400 hours.

Does temperature affect the measurement?

Temperature variation can affect ion readings. The B751 includes automatic temperature compensation to maintain accuracy between 5 to 40°C.