Quick Details
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- Supply Ability: -
- Brand Name:RB Flowmeter
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, Photoelectric interface
Display
8-digit+prompting character LCD
Cumulative heat quantity:KW.h or MJ(display range:0～9999999.9), 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
