User manual VAISALA GMR20

[. . . ] [. . . ] When connecting them to the screw terminal of the GMR20, hold the module in one hand and make connections with the other (see Figure 1). Check that the nominal 24 V supply is connected between terminals + and - of the transmitter's mother board. Figure 1 3. Connecting the wires to the GMR20 module Install the module on the two 5-pin connectors as indicated in Figure 2. Figure 2 4. Installing the GMR20 module Close the transmitter cover. 1 GMR20 relay output for GM20 series TECHNICAL DATA contact ratings default relay setpoints: range 2000 ppm (standard) other measurement ranges: range 0. . . 5000 ppm 0. . . 10 000 ppm 0. . . 20 000 ppm max. 50V 0. 5 A relay on 1000 ppm relay on 2500 ppm 5000 ppm 10 000 ppm relay off 950 ppm relay off 2375 ppm 4750 ppm 9500 ppm (setpoints can be changed with the 19222GM Calibration Software Kit) GUARANTEE Vaisala issues a guarantee for the material and workmanship of this product under normal operating conditions for one (1) year from the date of delivery. Exceptional operating conditions, damage due to careless handling and misapplication will void the guarantee. 2 [. . . ] [. . . ]