Probe connection cable (Vaisala item code 272075SP) For instructions on connecting GMP80P to the Indigo80 indicator, see Connecting probes to Indigo80. GMP80P connected to Indigo80 1 Indigo80 indicator 2 GMP80P probe 3 Probe connection cable 272075SP connected to the rightmost M12 connector of GMP80P Note that Indigo80 identifies the GMP80P probe as GMP251: More information Connecting probes to Indigo80