//DMM channels
#define CHAN_UP 101
#define CHAN_DN 102
#define CHAN_TEMP 103
#define CHAN_TEMP_REF 104

//Capacitive sensors
#define DIST_BTWN_SENSORS 0.009056
#define CAP_SEN_M_PER_VOLT (0.001 / 10.)
#define CAP_SEN_OFFSET 0.00025

//Phase shifter parameters
#define MIN_GAP = 10.0 / 1000.
#define MAX_GAP = 100. / 1000.