- High accuracy transit-time ultrasonic technology
- Software apps for ease of installation & diagnostics
- Optimized for thermal energy/BTU measurement
- Clamp-on sensors, no pipe cutting, no shutdown
- Real-time liquid density compensation
- Upgrade meter firmware and software in the field
- Part of Sierra's Big-3 iSeries family of flow meter technologies
Thông số kỹ thuật
- Accuracy: +/- 0.5% of reading from 0.16 to 40 ft/s (0.05 to 12 m/s)
- Repeatability: +/- 0.15% of reading >0.16 ft/s (0.05 m/s)
- Flow Velocity Range: Bi-directional flows: 0.16 to 40 ft/s (0.05 to 12 m/s) Note: 0.08 ft/s (0.025 m/s) is the default low flow cut-off
- Pipe Size: 2 to 236 inches (50 to 6000 mm)
- Resolution: 0.01 ft/s (0.00025 m/s)
- Response time: 150 ms measuring cycle
- Temperature: ambient electronics: -4°F to 140°F (-20°C to 60°C)
- Clamp-on transducers operating temperature range: 14°F to 176°F (-10°C to 80°C)
- Clamp-on high temperature transducers operating temperature range: 14°F to 302°F (-10°C to 150°C)
- 1.5 in (38.1 mm) insertion DIA transducers; operating temperatuer range: -40°F to 176°F (-40°C to 80°C)
- Insertion pressure limited to 300 psig (20 barg)
- Relative Humidity: Up to 99% RH, (non-condensing)
- Power Supply:
+ 90 to 250 VAC, 48 to 63 Hz and
+ 10 to 36 VDC (both are available on each unit)
+ Power consumption <10W, 5V @2A fused
- Analog Output: Active or passive 4-20 mA current loop; accuracy 0.1% of reading
- Pulse Output: 0 to 9999 Hz, OCT, (min. and max. frequency is adjustable)
- Solid state relay, 250 VDC/VAC max, 100 mA max, 40 Ohm max on-state resistance no/nc (SPDT)
- Digital Output: RS-485, RS-232, optional Modbus RTU, optional BACnet (pending)
- Display: 160 x 240 LCD backlit display
- Boiler MACT certified
- Complete Smart Interface Portal (SIP) for meter set up:
+ User-centered software allows for easy installation and field validation via USB or RS-232.
+ Includes Apps like:
+ Quick Install: Step-by-step meter commissioning and setup
+ MeterFit™: Makes transducer set up easy for a strong signal
+ EnergyPro™: Step-by-step thermal energy/BTU setup
+ ValidCal Diagonstics™: Validate firmware hardware health