Bút đo Ion NO3-/ t0 cầm tay (2 điểm CAL) Model: LAQUAtwin B-741 / B-742 / B-743 Hãng sản xuất: HORIBA - Nhật Bản Xuất xứ: Châu Á

Bút đo Ion NO3^-/ t⁰ cầm tay (2 điểm CAL)

Model: LAQUAtwin B-741 / B-742 / B-743

Hãng sản xuất: HORIBA - Nhật Bản

Xuất xứ: Châu Á

Tham khảo tại: http://www.horiba.com/sg/application/material-property-characterization/water-analysis/water-quality-electrochemistry-instrumentation/compact/details/b-741-742-743-laquatwin-compact-nitrate-meter-17167/

1.      Tính năng kỹ thuật:

-          Autocalibration function recognizes standards and is user-selectable for either one- or two-point calibrations.

-          Auto range change

-          Temperature compensation

-          IP67 waterproof

-          Auto hold

-          Automatic power off （30 minutes）

2.      Thông số kỹ thuật:

MODEL	B-741 (for crops)	B-742 (for soil)	B-743 (for general use)
Measurement principle	Ion electrode method
Minimum sample volume	0.3mL or more*1
Measurement range	NO3-:100 to 9900ppm(mg/L) NO3--N:23 to 2200ppm(mg/L)	NO3-:30 to 600 ppm(mg/L) NO3--N:6.8 to 140 ppm(mg/L) :3.4 to 68Kg/10a *2	NO3-:62 to 6200ppm(mg/L) (10-3 to 10-1mol/L) NO3--N:14 to 1400ppm(mg/L)
Display range*3	0 to 9900 ppm(mg/L)	0 to 800 ppm(mg/L)	0 to 9900 ppm(mg/L)
Range and Resolution (Valid numbers)	①0 to 1.0ppm : 0.1ppm②0 to 99ppm : 1ppm③100 to 990ppm : 10ppm④1000 to 9900ppm : 100ppm
Calibration	Two-point*4
Accuracy	±10% of reading value.*5
Functions	Auto range change・Temperature compensation・Waterproof*6・Reading locking ・Automatic power off （30 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. 50 g (meter only, without batteries)
Accessories included	2 CR2032 batteries/1 Pipette/Instruction manual/Quick manual/Storage case
	Standard solution for crops (300ppm& 5000ppm)(14mL) Kit for crops*7	Standard solution for soil(30ppm、300ppm) (14mL) Kit for soil*8	Standard solution (150ppm& 2000ppm)(14mL)、 5 pieces of Sampling sheet

3.      Cung cấp bao gồm:

-          Bút đo Ion NO3^-/ t⁰ cầm tay (2 điểm CAL), Model: LAQUAtwin B-741 / B-742 / B-743

-          Bộ phụ kiện tiêu chuẩn

-          Tài liệu hướng dẫn sử dụng tiếng Anh + tiếng Việt