||External power supply 24 VDC
||External power supply 100 VAC
||Dedicated lithium battery *1
|Diameters of connected parts
|Types of measurable gases *2
||Town gas (13A) Butane (70% butane, 30% propane) Propane (98% propane, 2% butane) Nitrogen
||-10～+60℃ (No freezing)
|Flow rate range
||Actual flow rate *3
||39-18. ± 2% RD (0.6m3/h or more to 6 m3/h or less),± 0.5 % FS (0.12 m3/h or more to less than 0.6 m3/h)
|Low flow rate cut-off
||0.024m3/h (Maximum flow rate/250)
|Maximum operating pressure
||200 Pa or less (Town gas 13A, standard atmospheric pressure + 2.5 kPa, Maximum flow rate)
||2 W or less (When the voltage is 26.4 V and current output is 22 mA)
||10W or less (When the current output is 22 mA)
|Environment temperature range
||Temperature: -20°C to + 70°C *No condensing
||4 to 20 mADC (Load resistance at 400 Ω or less) Select from the instantaneous flow rate and temperature.
|Output 1 (Flow rate pulse)
||Unit pulse (Select from 1, 10, 100, 1000, and 10000 L/P; Standard setting: 1000 L/P) Duty 20% – 80% Nch open-drain output (Maximum load 24 VDC and 50 mA)
|Output 2 (Alarms)
||Select the upper and lower limit alarms or the upper limit alarm of the integrated value.
||Select the battery voltage drops or upper and lower limit alarms.
||Complies with RS 485 Modbus /RTU (Select 4800 bps or 9600 bps.)
|Measurement interval *5
||Accumulated flow rate: 8-digit integer and 2-digit decimal; Trip accumulated flow rate: 7-digit integer and 2-digit decimal Ultrasonic measurement error, temperature measurement error, battery voltage error (for the built-in batteries model only)
||Instantaneous flow rate display: 5-digit; Temperature display: 3-digit; Pressure display: 4-digit
||The flow direction is from left to right or right to left relative to the indicator. * Please select when ordering.
||Horizontal or vertical (The meter cannot be installed in a position where the indicator is directed downward or the cable introduction part is directed upward.)
||Simple standard *6
||A flow rate where the actual flow rate is corrected to the standard temperature and 1 atm. (Enter an arbitrary fixed value for the pressure.)
|Simple normal *6
||A flow rate where the actual flow rate is corrected to 0°C and 1 atm. (Enter an arbitrary fixed value for the pressure.)
|Major materials of the part exposed to gases
||Aluminum alloy and PPS
||Indoor and outdoor IP64 (JIS C 0920); Avoid direct sunlight.