Global Vision is the leader in Fire Pump Test Meters and fire suppression accessories. Global Vision provides only the highest quality Fire Pump Test Meters and accessories around the world. For all your FM Approved test meter needs, Global Vision is the right choice. Global Vision manufactures the state of the Zonecheck system -Conducting routine tests on sprinkler flow switches has often consisted of several hours, loss of water pressure, fire pumps engaging, and pumping the test water outdoors. But not anymore!!! Zone check simply recirculates water around the switch, eliminating all above listed concerns.