LAQUAtwin B-751_Bút đo Ion Ca2+/ t0 cầm tay (2 điểm CAL) Model: LAQUAtwin B-751 Hãng sản xuất: HORIBA - Nhật Bản Xuất xứ: Châu Á

LAQUAtwin B-751_Bút đo Ion Ca2+/ t0 cầm tay (2 điểm CAL) Model: LAQUAtwin B-751 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-751-laquatwin-compact-calcium-ion-meter-17175/ 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-751 Measurement principle Ion electrode method Minimum sample volume 0.3mL or more*1 Measurement range 40 to 4000 ppm(mg/L)(10-3 to 10-1 mol/L) Display range 0 to 9900ppm(mg/L)*2 Range and Resolution (Valid numbers) ①0 to 1.0ppm : 0.1ppm ②0 to 99ppm : 1ppm ③100 to 990ppm : 10ppm ④1000 to 9900ppm : 100ppm Calibration Two-point*3 Accuracy ±20% of reading value.*4 Functions Auto range change・Temperature compensation・Waterproof*5・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 (150ppm&2000ppm)(14mL)/5 pieces of Sampling sheetB 3.      Cung cấp bao gồm: -          Bút đo Ion Ca2+/ t0 cầm tay (2 điểm CAL), Model: LAQUAtwin B-751 -          Bộ phụ kiện tiêu chuẩn -          Tài liệu hướng dẫn sử dụng tiếng Anh + tiếng Việt