721N/722N visible spectrophotometer

NegotiableUpdate on 02/15

Model

Nature of the Manufacturer: Producers

Product Category

Place of Origin

Online Consult

Overview

This product adopts microprocessor control technology to perform qualitative and quantitative analysis of substances in the visible spectrum region, and is a necessary multi-purpose analytical instrument for conventional laboratories.

Product Details

主要特点

Adopting advanced holographic scintillation grating monochromator, it has the advantages of high wavelength accuracy, good monochromaticity, and low stray light.

★ Large screen with backlit LCD display, measurement data is clear at a glance.

★ Adopting a microcomputer measurement system, the T-A conversion accuracy is high, and it has automatic adjustment of 0% T and 100% T, concentration factor setting, and concentration direct reading.

★ High measurement reading accuracy, good reproducibility, and stability.

技术指标

Model number	721N	722N
Wavelength Range	360nm～1000nm	325nm～1000nm
Maximum allowable wavelength error	±2nm	±2nm
Wavelength repeatability	≤1nm	≤1nm
Maximum allowable error of transmittance	± 0.5% (T) (measured with NBS930D)	± 0.5% (T) (measured with NBS930D)
Transmission density repeatability	≤0.2%(T)	≤0.2%(T)
Spectral bandwidth	4nm	4nm
Stability	Dark current drift: 0.2% (T)/3min Bright current drift: 0.5% (T)/3min	Dark current drift: 0.2% (T)/3min Bright current drift: 0.5% (T)/3min
Stray light	≤ 0.15% (T) (measured as NaNO2 at 360nm)	≤ 0.1% (T) (measured as NaNO2 at 360nm)
Power supply voltage	AC85V～242V	AC220V±22V 50Hz±1Hz