MFM300 Button and Jack Locations Up Arrow Enter Refrigerant Cancel Down Arrow Menu Superheat / Sub-Cooling Delta T Psychrometrics Light Power Universal Jack Shift Universal Temperature Temperature Temperature Jack Jack T1 Jack T2 Jack T3...
Psychrometric mode. Press the PSYCH button again, or CANCEL, to return to Normal mode. The MFM300 will attempt to operate in the last mode it was in when powered off. If it can not, the Normal mode is the default. If no probes are connected, the No Probes message will appear on the display.
Fourth Press: Delta T Display Off. Measure Pressure Connect a Cooper pressure transducer to either U1 or U2 (or both). The MFM300 will sense the probe(s) and display the pressure measurement(s) with the appropriate U1 or U2 label. Before connecting the transducer(s) to the cooling system, zero the pressure reading(s)(refer to Setup section on zeroing the pressure probes and setting altitude).
T2 and U2 Measure Relative Humidity and Dry-Bulb Temperature Connect a Cooper relative humidity probe to either U1 or U2 (or both). The MFM300 will sense the probe and display the relative humidity and dry-bulb temperature measurements with the appropriate U1 or U2 label.
ENTER button. Auto Shutoff is the default setting when turning the MFM300 on. Setup: Press the Menu button, highlight the Set Up option and press the ENTER button.
When viewing temperature data on the MFM300, up to 16 pages, or screen views may be shown. Press the MAX button to view the next page. Press the MIN button to view the previous page.
Use the buttons to enter an identifying tag for future reference. Up to 50 snapshots can be stored in the MFM300. To stop using the snapshot feature, return to the main menu, select Capture Snapshots and select Stop Snapshots.
• MFM300 Datalogger Kit • Computer Connection Cable • Free on-line firmware upgrades/updates • Free on-line refrigerant updates To purchase the MFM300 Extended Service Plan please see the back cover of this instruction manual. For additional information, contact Cooper-Atkins Corporations customer service department.
Middlefield, CT 06455 • or fax to 860-347-5135 or • Contact Customer Service at 800-835-5011 or 860-347-2256 ❏ Yes, I would like to purchase the MFM300 Extended Service Warranty. ❏ Yes, please send me information on optional MFM300 accessories. Date Purchased:...