The Model Is 2408-1-115-1 Part Number 2082784-01 Date code 6/99 The unit includes a Model 085A RH/T Sensor and a Met One Sniffer The following connections are on the back of the unit , ISO probe, Return Air, RH?temp, Air Velocity, Air Flow Adjust,Printer., Serial I/O Reliable and easy to operate. The built-in printer allows either immediate or delayed printing of results. Download 400-record buffer using PortAll Version 2. Counts in either cumulative or differential modes. Optional probes for humidity, temperature and air velocity. are available from Met ONE. No Software comes with the unit |