Specifications include, but are not limited to: Gas Dilution Calibrator for Ambient Air Monitoring. ******No Substitutes******* 2010D With Photometer Sabio Environmental, LLC Item#2010D-100 Description- (1)Model 2010D Gas Dilution Calibrator, includes: 1-Item# 4010-03 Alternate Diluent Mass Flow Controller, 0-20 SEM; 1-Item# 4010-06 Alternate Source Mass Flow Controller, 0-200 SCCM; 1-Item# 4010-37 Alternate Source Mass Flow Controller, 0-20 SCCM; 1-Item# 2010D-50 Single Port Diluent Gas Manifold; 1-Item# 2010D-30 4-Port Source Gas Manifold; 1-Item# 2010D-48 Universal Input 98-264 VAC, 50/60 Hz Power Supply; 1-Item# 2010D-27 Digital Input/Output, 24 Bits; 1-Item# 2010D-16 Ozone Generator, 0.05-1.5 PPM @ SLM; 1-Item#2010D-18 Ozone Generator Optical Servo Control Loop; 1-Item# 2010D-19 Internal Ozone UV Absorption Photometer; 1-Item# 4010-3667 Scrubber, Ozone.