FP

TEMPERATURE-INDICATING INSTRUMENTS FOR MEASURING, TRANSMITTING AND INDICATING TEMPERATURE VALUES; PRESSURE-INDICATING INSTRUMENTS FOR MEASURING AND INDICATING OR RECORDING PRESSURE VALUES; COUNTERS AND TOTALIZERS FOR RECEIVING AND TOTALIZING ELECTRICAL PULSE SIGNALS; PNEUMATIC AND ELECTRONIC PRESSURE TRANSMITTERS FOR THE MEASUREMENT OF FLOW, LIQUID LEVEL, DENSITY OR PRESSURE VALUES; LIQUID-LEVEL INDICATING DEVICES PROVIDED WITH A FLOAT GUIDE TUBE; DENSITY-MEASURING INSTRUMENTS FOR MEASURING AND INDICATING THE DENSITY OF FLUIDS; VISCOSITY-MEASURING INSTRUMENTS COMPRISING A VISCOSITY FLOAT WHOSE POSITION IS INDICATIVE OF VISCOSITY VALUES; CONSISTENCY-REGULATING INSTRUMENTS COMPRISING A TRANSMITTER PROBE AND AN INDICATING CONSISTENCY-TO-CURRENT CONVERTER; CHEMICAL ANALYZING INSTRUMENTS FOR AMPEROMETRICALLY MEASURING AND INDICATING THE CONCENTRATION OF A CHEMICAL IN A FLUID SUPPLY; ELECTRONIC INTEGRATORS FOR TOTALIZING SIGNALS WITH RESPECT TO TIME; CHLORINATORS FOR DISPENSING CONTROLLED AMOUNTS OF CHLORINE GAS; FLUORIDATORS FOR MIXING AND DISPENSING A FLUORIDE SOLUTION; AMMONIATORS FOR DISPENSING AMMONIA AT A CONTROLLED RATE