Pump Operation
Initially, the pump will be off. The pump should remain off while sampling an endothermic generator or any other atmosphere under positive pressure. The pump should also remain off during calibration. For proper operation, the flow of gas through the sensors should be between 1.0 and 2.0 SCFH. If the flow meter on the right of the screen does not indicate sufficient flow, turn the pump on. When accessed from the main screen, the pump has two possible modes: Automatic and Off.