RBBH DN15-40 Residential Ultrasonic Heat Meter (BTU meters) is an innovative heat meter with static flow sensor based on the ultrasonic measuring principle. RBBH Ultrasonic Heat Meter (BTU heat meter) is designed for measuring the use of heating in which water is the heat-bearing medium. RBBH Ultrasonic Heat Meter utilizes ultrasonic measuring methodology and microprocessor technology. All calculation and flow measuring circuits are designed on one single board, thus offering exceptional accuracy and reliability.
RBBH Ultrasonic heat meter Specifications
RBBH 1&2 series Ultrasonic heat meter is a new type of heat meter which based on ultrasonic transmit-time, constituted by flow sensor, the temperature sensor and deposition of the instrument, related to the principle of heat measurement, temperature sensors, flow sensors, digital communication technology systems, and computer chip technology.
RBBH Ultrasonic heat meter Technical Parameters
RBBH Residential Ultrasonic (Cooling) Heat Meter | ||||||||||
Performance | Parameter | |||||||||
Nominal Diameter(mm) | DN15 | DN20 | DN25 | DN32 | DN40 | |||||
Normal Flow rate: qp(m3/h) | 0.6 | 1.5 | 0.6 | 1.5 | 2.5 | 3.5 | 6 | 6 | 10 | |
Pressure Loss (kPa/qp) | 14 | 18 | 14 | 7 | 17 | 3.5 | 6 | 6 | 10 | |
Normal Flow rate: Minimum Flow rate: qp: q1 | 100:1 or 50:1 optional | 250:1or 100:1 or 50:1 optional | ||||||||
Flowrate maximum reading: m3 | 999999.99 | |||||||||
Heat maximum reading (kW.h) | 99999999 | |||||||||
Measuring Range | Temperature Range℃ | (4～95) ℃ or (4-130)℃ optional | ||||||||
Temperature Difference(K) | (3～60)K (2～110)K can be customized | |||||||||
Min. Temperature Pair Error(℃) | ±0.25k ( can be customized) | |||||||||
Max. Admissible Working Pressure(MPa) | 1.6MPa (2.5MPa can be customized) | |||||||||
Accuracy | EN1434: 2007 Class 2 and MID M1, E1 | |||||||||
Type of Temperature Sensor | Pt1000, DIN/IEC751B (Pt500, Pt100 can be customized) | |||||||||
Protection Class | IP67 | |||||||||
Power Supply | 3.6 lithium battery (AC220v or DC24V can be customized) | |||||||||
Battery Lifetime | ≥8/10 Years | |||||||||
Ambient Class | Class A (5-55℃) or Class B(-25-55℃) optional | |||||||||
Communication Mode | M-bus, MODBUS RTU, toelectric interface | |||||||||
Display | 8-digit+prompting character LCD | |||||||||
Cumulative heat quantity:KW.h or MJ(display range:0ï½.9), Thermal power:KW | ||||||||||
Instantaneous flowrate:m3/h, Cumulative Volume:M3, Supply water temperature:℃, Reuren water temperature:℃, temperature difference, Total operating time | ||||||||||
Date: Y/M/D, Clock:h/m/s | ||||||||||
Display Resolution | Heat quantity:0.1kW.h or 1MJ, Cumulative volume:0.001m3; Temperature:0.01℃; Temperature difference:0.01K | |||||||||
Data Storage(EEPROM) | Heat quantity, Cumulative volume and corresponding time and the Max.thermal power of the current month stored by month. Latest 24 months' data can be stored. | |||||||||
Storage Temperature(℃) | Class A (5 ～ +55)℃ or | |||||||||
Cable Length of Temperature Sensor(m) | 1.3(the supply water temperature sensor shall be mounted on the flow transducer before delivery) | |||||||||
Mounting Position of Meter | On supply water pipe at any angle | |||||||||
Dimension:
1. RBBH-1 Series
DN (mm) | 15 | 20 | 25 | 32 | 40 | |||||
Flow Rate | 0.6 | 1.5 | 1.5 | 1.5 | 2.5 | 2.5 | 3.5 | 6 | 10 | |
Dimension (mm) | L | 110 | 110 | 130 | 190 | 130 | 190 | 160/290 | 180/260 | 200/300 |
H | 82 | 82 | 85 | 85 | 85 | 85 | 88 | 90 | 95 | |
W | 108 | 108 | 108 | 108 | 108 | 108 | 108 | 108 | 108 | |
Screw thread on meter (Inch) | G3/4B | G1B | G11/4B | G11/2B | G2B | |||||
Screw thread of coupling(Inch) | R1/2 | R3/4 | R1 | R11/4 | R11/2 | |||||
2. RBBH-2 Series
DN(mm) | 15 | 20 | 25 | 32 | 40 | ||||||||
Flow Rate | 0.6 | 1.5 | 0.6 | 0.6 | 1.5 | 1.5 | 2.5 | 2.5 | 3.5 | 6 | 6 | 10 | |
Dimension (mm) | L | 110 | 110 | 130 | 190 | 130 | 190 | 130 | 130 | 160 | 260 | 260 | 300 |
L2 | 204 | 204 | 234 | 294 | 234 | 294 | 234 | 294 | 280 | 380 | 300 | 328 | |
L1 | 150 | 150 | 150 | 150 | 150 | 150 | 150 | 150 | 150 | 150 | 150 | 150 | |
H | 100 | 100 | 103 | 103 | 103 | 109 | 103 | 103 | 106 | 106 | 109 | 113 | |
H1 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | |
B | 105 | 105 | 105 | 105 | 105 | 105 | 105 | 105 | 105 | 105 | 105 | 105 | |
Screw thread on meter (Inch) | G3/4B | G1B | G11/4B | G11/2B | G2B | ||||||||
Screw thread of coupling(Inch) | R1/2 | R3/4 | R1 | R11/4 | R11/2 | ||||||||
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