| 摘要 |
The equipment is a supplementary invention to Authorship Certificate No 48886. It offers an accurate assessment of the technological current state of fire extinguishing pumps and the need to check the air-tightness. The equipment envisages a third (23) and fourth (24) connection end-piece, connecting the fire-extinguishing pump (22) being tested to the corresponding set of pressure (25) and flow-rate (26) sensors, with outlets consecutively connected via transducer blocks (27,28,29 and 30) with the corresponding ports of multiplexor (31). Another port of the multiplexor (31) is connected to the output of an rpm sensor (32) fixed on the shaft of the pump being tested. The output of the multiplexor (31) is connected to the receiver (36) of the PC (36) via an analogue/digital transducer (33) and transmitter (34).
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