B-771 Horiba เครื่องวัดความนำไฟฟ้า

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HORIBA Scientific

B-771 Horiba เครื่องวัดความนำไฟฟ้า B-771 LAQUAtwin Compact Conductivity meter สามารถวัดความนำไฟฟ้า/ความเค็ม/TDS ได้

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b-771 horiba เครื่องวัดความนำไฟฟ้า conductivity meter conductivity ความนำไฟฟ้า

เครื่องวัดความนำไฟฟ้า B-771

B-771 LAQUAtwin Compact Conductivity meter

Features

Determine water conductivity with as little as 0.12 mL of sample.

The conductivity of rain water is a trusted guide to determining atmospheric purity. In agriculture, measuring the conductivity of soil allows farmers and agronomists to determine optimum fertiliser usage and check the ‘health’ of soil after salt water damage. The LAQUAtwin meter makes conductivity testing simple, anywhere.

Applications include

Fresh water testing (rain, rivers, lakes, hot springs); aquaria; soil testing for improved agriculture and analysis of salt water damage; analysis of surface cleanliness prior to coating; and improved paint adhesion.

Functions

- Salt /TDS Measurement
- Auto range change
- Temperature conversion(2%/℃ fixed)
- IP67 waterproof
- Auto hold
- Automatic power off（15 minutes）

Specification

MODEL	B-771
Measurement principle	2 AC bipolar
Minimum sample volume	0.12mL or more
Measurement range	Conductivity：0 to 19.9mS/cm(0 to 1.99S/m) Salt：0 to 1.1% TDS：0 to 9900ppm
Display range	0 to 199mS/cm (0 to 19.9S/m)*1
Range and Resolution (Valid numbers)	①0 to 199 μS/cm : 1μS/cm ②0.20 to 1.99mS/cm : 0.01mS/cm ③2.0 to 19.9mS/cm : 0.1mS/cm ④20 to 199mS/cm : 1mS/cm*1
Calibration	Two-point*2
Accuracy	±2%F.S.±1digit (for each range)*3
Functions	Salt/TDS Measurement・・Auto range change・Temperature conversion(2%/℃ fixed)・Waterproof*4・Auto hold・Automatic power off（15 minutes）
Display	Custom (monochrome) Digital LCD
Operating temperature / humidity	5 to 40˚C, 85% or less in relative humidity (no condensation)
Power	CR2032 batteries (x2)
Battery life	Approx. 400 hours in continuous use
Main Material	ABS epoxy
Dimensions /Mass	164mm × 29mm × 20mm (excluding projections)　/ Approx. 45 g (meter only, without batteries)
Accessories included	2 CR2032 batteries/1 Pipette/Instruction manual/Quick manual/Storage case/Standard solution(1.41mS/cm) (14mL)/Treatment reagent (14mL) ※For the high conductivity standard solution (12.9mS/cm) is sold separately.

*1 When the measured value is out of the measurement range, the displayed value blinks. It should be used only as a guide.

*2 Selectable between one-point and two-point calibrations. High conductivity standard solution (12.9mS/cm) is sold separately.

*3 Repeatability in measurement of a standard solution after calibration using the same standard solution.①±5μS/cm (0 to 199 μS/cm )②±0.05mS/cm(0.20 to 1.99mS/cm)③±0.5mS/cm (2.0 to 19.9mS/cm)

*4 IP67：no failure when immersed in water at a depth of 1 meter for 30 minutes. But the product can not be used underwater.