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btu meter

230 series ultrasonic btu meter

230 series ultrasonic btu meter

230 series ultrasonic btu meter

  • intro

  • features

  • main parameters

  • principle applica

  • outline size

the series 230 uhm is a highly accurate and stable btu meter. it utilizes ultrasonic technology to measure household heating and cooling energy consumption. the series uhm is a compact meter that has been designed to incorporate the flowmeter and calculator all in one unit for simplification of the unit’s installation. the 8digit led display makes reading the measured value simple and easy. the compact size and lack of moving parts makes the series uhm a low maintenance unit. these features make it great for installation on chillers, and boilers.

features
works with both heating and cooling systems
high accuracy
the high quality ultrasonic transducer and advanced electronic measurement technology work together to ensure the meter's high accuracy
and stability
no moving parts
this decreases the maintenance cost and ensures that the meter is resistant to dirty water
pt1000 platinum resistance
low starting flow-rate
the u-shaped acoustic path widens the dynamic flow-rate measurement range and increases the accuracy of low and high end
measurements where other, more narrow ranged, devices are inaccurate
horizontal or vertical installation
rs485 and m-bus output ports can be used for automated meter reading
automatic diagnostic function.
an error code will be displayed on the screen to indicate the problem
ability to install an optional 3.6 v battery that can last up to 6 years

specifications
service: clean water
wetted materials: brass and stainless steel
range: see chart; qmin:qp = 1:100 or 1:50 (dn15~dn40)
q
min:qp = 1:50(dn50~dn200)
accuracy: flow sensor: ±(2+0.02 qp / q)%
temperature: ±(0.3 + 0.05 * t)k; δt = t ± 0.1k
serial communications: m-bus, modbus, or bacnet
temperature limits: ambient: 41 to 131°f (5 to 55°c)
storage: 41 to 131°f (5 to 55°c)
process: 36 to 203°f (2 to 95°c)
ambient humidity: <93%
pressure max: 232 psi (16 bar) / 362psi(25 bar) , default 16 bar
pressure loss: <1.5 psi (10 kpa)
power requirements: battery: 3.6v
display: 8 digit led
flow direction: unidirectional
enclosure rating: ip65
process connection: see chart
mounting orientation: horizontal or vertical
agency approvals: ce











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