How can I configure the flowmeter’s options?
By using the RS-232 interface, you can control a number of options on the flowmeter. These include: 1) Set the sample rate at which data is returned. 2) Select the gas calibration to be used. 3) Select either standard or volumetric units of flow. 4) Set the beginning and end trigger levels for volume measurements. 5) Set the analog output zero and span. 6) Set the analog output sampling rate. 7) Set the update rate for the LCD display. 8) Set special display scroll options for the Model 4140.