2 HACH used machine for sale

Hach DR/2500 Handheld Scanning Spectrophotometer 59000-60 MODEL: DR-2500 Wavelength range: 365 to 880 nm Bandwidth: ≤ 4 nm Wavelength accuracy: ±1 nm Wavelength resolution: 0.5 nm Wavelength increment: 0.1 nm Strasitic light: ≤ 2.5 A, ≤ 0.3% T at 400 nm Wavelength selection: Automatic, depending on the selected method Photometric Calibration: Automatic Optical system: Concentric spectrophotometer Display Modes: Concentration, Transmittance, Absorbance pH Input: 5-pin probe connector (optional probe) RS-232 Output: Standard 9-pin bi-directional connector

Hach DR 3800 VIS Spectrophotometer The DR 3800 is a VIS spectrophotometer with a wavelength range of 320 to 1100 nm. The device comes with a complete set of application programs and supports multiple languages. The DR 3800 spectrophotometer contains the following Programs and operating modes: Saved programs (pre-installed tests), barcode programs, user programs, favorites, single wavelength, multi-wavelength, wavelength scan and time scan. The DR 3800 spectrophotometer performs digital measurements in concentration, absorbance or % transmission. When selecting a user-generated or programmed method, a structured menu control and prompts guide the user through the test. This menu system can also generate reports, statistical evaluations of generated calibration curves and reports on instrument diagnostic checks Display mode: transmission (%), absorbance, and concentration Light ...