WIKA Products Accuracy Redefined, Reliability Guaranteed. OEM Pressure Transmitter O 10 Pressure Transmitter A 10 Pressure Transmitter S 20 Pressure Transmitter S 10 Flush Pressure Transmitter S 11 Pressure Transmitter IS 3 Pressure Transmitter R 1 Electronic Pressure Switch PSD 4 Digital pressure gauge, model DG 10 E Digital pressure gauge DG 05 Digital Pressure Gauge CPG1200 Precision digital pressure gauge cpg 1500 Bourdon tube pressure gauge, copper alloy 111.10 and 111.12 Bourdon Tube Pressure Gauge, Copper Alloy 232.50 and 233.50 Liquid Filled Gauge, Model 213.53 Differential Pressure Gauge Models 732.31, 733.31, 733.51 and 732.51 Test Gauge, Copper Alloy 312.20 Compact Pressure Switch PSM 01 Pressure Valves and Protective Devices IV 10 and IV 11 Valve Manifold IV 30, IV 31, IV 50 and IV 51 Block and Bleed Valve IV 2