755B UV Visible SpectrophotometerDetailed product description：

1、 Product Description:

This product is a new generation popular instrument controlled by a microcomputer in the ultraviolet, visible, and near-infrared spectral range. It can meet the quantitative analysis of various substances in scientific research, pharmaceuticals, biochemistry, environmental protection, food, chemical and metallurgical systems, and has a high cost performance ratio, making it your ideal choice.

2、 Characteristics:
1. Adopting a microcomputer system.
2. Has memory storage function.
3. Provide power-off protection.
4. Data input once, permanently used.
5. Equipped with standard printer interface and RS232 communication port.
6. Attached printer.

3、 Main technical indicators:

stray light	≤ 0.6% T (measured in NaL at 220mm) At 340mm, NaNOtwoMeasurement)
stability	Dark current drift: ≤ 0.2% T5min Light current drift: ≤ 0.5% T5min
Spectral bandwidth	2nm
wavelength range	200nm～1000nm
Usage environment	Temperature: 50C～350C. Humidity: ≤ 85%
Transmittance range	0.0%～110.0%T
Range of absorbance	-0.043A～1.999A
Wavelength accuracy	±1nm
wavelength repeatability	≤0.5nm
Transmittance accuracy	±0.5%T
Transmission density repeatability	≤0.2%T
Concentration display range	0.000～9999(C)
Change in power supply voltage	220V±22V/50HZ±1HZ
Instrument size and weight	590mmX370mmX160mm； 25Kg