| Models |
UX15(25)-0DC |
UX15(25)-0AC |
UX15(25)-0BT |
| Power source |
External power supply 24 VDC |
External power supply 100 VDC |
Dedicated lithium battery *1 |
| Diameters of connected parts |
UX15:Rc1/2UX25:Rc1 |
| Types of measurable gases *2 |
Town gas (13A)
Butane (70% butane, 30% propane)
Propane (98% propane, 2% butane)
Nitrogen |
| Fluid Temperature |
-10～+60℃ (No freezing) |
| Flow rate range |
0.12～6m3/h |
| Accuracy |
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) |
| Temperature |
±1.5℃ |
| Low flow rate cut-off |
0.024m3/h (Maximum flow rate/250) |
| Maximum operating pressure |
100kPa |
| Pressure loss |
200 Pa or less (Town gas 13A, standard atmospheric pressure + 2.5 kPa, Maximum flow rate) |
| Rated voltage |
21.6～26.4VDC |
85～115VAC |
— |
| Power consumption |
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 |
| Output |
Analog |
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. |
| Communication *4 |
Complies with RS 485 Modbus /RTU
(Select 4800 bps or 9600 bps.) |
— |
| Measurement interval *5 |
0.5 seconds |
2 seconds |
| Display |
Main display |
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) |
| Sub display |
Instantaneous flow rate display: 5-digit; Temperature display: 3-digit; Pressure display: 4-digit |
| Flow direction |
The flow direction is from left to right or right to left relative to the indicator.
* Please select when ordering. |
| Mounting position |
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.) |
| Conversion functions |
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 |
| Protective structure |
Indoor and outdoor IP64 (JIS C 0920); Avoid direct sunlight. |
| Mass (kg) |
1.6 |
1.7 |
1.8 |