| Fluid | Uniform liquid through which ultrasonic wave can propagate (deionized water, cooling water, chemical solution, tap water, etc.) | 
        
            | Fluid temperature | -40°C to 200℃ (depends on detector) | 
        
            | Applicable pipes 
 | 
                
                    Select FSSC for the following pipes:
                        | Detector | Inner diameter | Materials |  
                        | FSSA (V method) | 25–225 mm | Plastic (PVC, etc.)*1 Metal (SS, steel, copper, aluminum, etc.)
 |  
                        | FSSC (V method) | 50–600 mm |  
                        | FSSC (Z method) | 600–1200 mm |  
                        | FSSD (V method) | 13–100 mm |  
                        | FSSE (V or Z method) | 200–6000 mm |  
                        | FSSH (V or Z method) | 50–400 mm |  
                PP pipe with a thickness of 15 mm or morePVDF pipe with a thickness of 9 mm or more
Metal pipes with coating, pipes rusting inside, pipes lined with coal tar epoxy, Teflon, mortar, or rubber, or other pipes through which the ultrasonic wave is hard to pass | 
        
            | Range | 0 to ±0.3…..±32 m/s | 
        
            | Accuracy | ±1% of rate (when flow velocity is ≥2 m/s) | 
        
            | Response | 0.2 seconds (in high-speed response mode) | 
        
            | Ambient temperature | -20°C to +55°C (transmitter) -20°C to +60°C…80°C (depends on detector)
 | 
        
            | Analog output | 4–20 mA DC, 1 point (maximum resistance load: 600Ω) | 
        
            | Contact output | Open collector: 2 points Total, alarm, etc.
 Total pulse output: 1 P/day to 100 P/s (open collector)
 | 
        
            | Serial communication | RS-485 (MODBUS) (option) | 
        
            | Display | LCD with back light, 2-line 16-digit | 
        
            | Key pad | 4 keys (ESC, up, shift, enter), Operation on panel (IP66 enclosure version) | 
        
            | Power supply voltage | 100–240 V AC, 50/60 Hz, or 20–30 V DC | 
        
            | Transmitter enclosure | Aluminum alloy, IP66 or IP67 | 
        
            | Transmitter mounting | Wall mount or pipe mount | 
        
            | Transmitter dimensions (in mm) | H170 x W142 x D70 (IP66) | 
        
            | H220 x W230 x D95 (IP67) |