METROLOGY_SERVICE = "1878"
CONFIGURATION_SERVICE = "1879"
METROLOGY_RANGE_SERVICE = "1880"
ELECTRIC_CURRENT_CHAR = "2AEE"
VOLTAGE_CHAR = "2B18"
SAMPLING_RATE_CHAR = "2C12"
ZERO_CALI_CHAR = "2C13"
ZERO_CALI_NSAMP = "2C14"
ZERO_CALI_RESET = "2C16"
ELECTRIC_CURRENT_RANGE_CHAR = "2AEF"
AUTO_RANGE_CHAR = "2C15"
CHAR_PRES_FORMAT = "2904"
PPM_UNIT_UUID = "27C4"
PERCENT_UNIT_UUID = "27AD"
POWER_UNIT_UUID = "2726"
TESLA_UNIT_UUID = "272D"
AMPERE_UNIT_UUID = "2704"
VOLTS_UNIT_UUID = "2728"
HERTZ_UNIT_UUID = "2722"
SECONDS_UNIT_UUID = "2703"
UNITLESS_UNIT_UUID = "2700"
NSP_DESC_MAIN = "0106"
NSP_DESC_INSIDE = "010B"
NSP_DESC_OUTSIDE = "010C"

SOURCE_GAIN_DESCR = "2920"