Electromagnetic Energy Flowmeter

The RBEF-H In-line electromagnetic energy flowmeter ideal for conductive liquids.It used to measure individual energy consumption in any liquid heating/cooling systems A wide variety of sizes are available to accommodate nominal pipe diameters ranging from ½" through 120". The RBEF-H may be used in many applications that require accurate thermal energy measurement such as chilled water, hot water and condenser water systems.

Description

Principle
Features
Specification
Model Selection
Applicants
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Principle

Features

Electromagnetic Energy Flowmeter Features:

Flow velocity range: 0.1-15m/s
Variety of lines: 1/4"-120"(DN6 - 3000mm)
Designed for clear water ≥5uS/cm
IP68 Enclosure that can be used for underground application
High accuracy of 0.2%, 0.25%, 0.5%
Empty pipe, current excitation and battery capacity;
Real time display of supply / return water temperature, instantaneous flow rate, cooling consumption value, heating consumption value, instantaneous power, total flow rate etc.
Four different units of measurements available: MJ, GJ, kWh/h, MWh/h.
Pt1000 3-wire Temperature Sensor
NIST traceable calibration certificate
CE Certificated......

Specification

Electromagnetic Energy Flowmeter Specification:

Sizes	Flanged (Metric)		DN6…DN3000
	Flanged (US)		1/4”…118”
	Wafer Design		DN15…DN100
Nominal Pressure	GB,JIS and DIN Flange		0.6 MPa, 1.0 MPa, 1.6 MPa, 4.0 MPa
	ANSI Flange		Class 150, Class 300
	Wafer Design		1.6 MPa, 4.0 MPa
	For additional pressure requirements, please contact manufacturer
Accuracy (pulse output)	Standard		±0.5% (0.6m/sec to 12 m/sec)
	Optional		±0.2% (1.0m/sec to 12 m/sec)
Measurement Resolution	±1mm/sec
Max Flow Tube Velocity	SI:		49 ft/s
	US:		12 m/s
Ambient Temperature	-25…+55°C / -13…+131°F
Relative Humidity	5%…90%
Conductivity	≥5 μS/cm
Transmitter Mounting Availability	Compact type		Sizes: DN15…DN1000 1/2”…40”
	Remote type		Sizes: DN15…DN3000 1/2”…118”
	Note 1: Cable between flow tube and remote transmitter is type SMFE100 Note 2: Remote unit supplied with 10m cable as standard Note 3: Max cable length is 200m (650ft)
	Material					SI	US
Liner Material Options	Neoprene (std)					DN15…DN3000	1/2”…118”
	PTFE					DN15…DN1000	1/2”…40”
	Polyurethane					DN15…DN300	1/2”…12”
	PFA					DN15…DN250	1/2”…10”
	PFA with optional wire reinforcement					DN80…DN250	3”…10”
	Tefzel					DN15…DN250	1/2”…10”
	Tefzel with optional wire reinforcement					DN80…DN250	3”…10”
	ceramic liner and electrodes					DN15…DN200	1/2”…8”
Electrode Material Options	316L stainless steel (std)					DN15…DN3000	1/2”…118”
	Hastelloy – C22					DN15…DN1000	1/2”…40”
	Hastelloy – B10					DN15…DN1000	1/2”…40”
	Titanium					DN15…DN250	1/2”…10”
	Tantalum					DN15…DN250	1/2”…10”
	Platinum/iridium Alloy					DN15…DN250	1/2”…10”
	316L with tungsten carbide coating					DN15…DN600	1/2”…24”
Grounding Options	Flange Grounding			DN15…DN3000			1/2”…56”
	Grounding Ring			DN15…DN250			1/2”…10”
	Electrode Grounding			DN50…DN3000			2”…118”
	Inlet protection ring			DN50…DN300			2”…12”
	Type	Liner			Standard			Optional
Max Process Temperature Limits	Compact	Neoprene			80°C / 176°F			120°C / 248°F
		PTFE			80°C / 176°F			120°C / 248°F
		Polyurethane			80°C / 176°F			-
		PFA			80°C / 176°F			120°C / 248°F
		Tefzel			80°C / 176°F			-
	Remote	Neoprene			80°C / 176°F			120°C / 248°F
		PTFE			80°C / 176°F			120°C / 248°F 180°C / 356°F
		Polyurethane			80°C / 176°F			-
		PFA			80°C / 176°F			120°C / 248°F
		Tefzel			80°C / 176°F			-
Environmental Protection Class	Compact				IP 65			IP67
	Remote				IP 65			IP 68
Power Supply Options	85…265VAC / 45…63Hz, 20VA
	16…36VDC, 16VA
Display	2 or 3 line backlit LCD
Configuration Access	Front panel keypad
	Hand held infrared remote control (optional)
Output Signals	Active analog current output		Max load resistance 0…1.5kΩ for 0…10mA 0…750Ω for 4…20mA
			Accuracy = same as pulse output ±0.1% of rate
			Option: HART Protocol
	Passive analog current output		Requires 24Vdc external supply to operate
			Accuracy = same as pulse output ±0.1% of rate
	Pulse / frequency and alarm outputs		Optically isolated open collector output powered either internally or externally Int. power: 28VDC with 1.2kΩ pull-up resistor Ext. power: ≤36VDC, max current 250mA
	Digital Communications		RS485 Modbus
			GPRS (superimposed on current output)
			All interfaces have built in lightning protection
Electrical isolation	Isolation between all I/O and input power no less than 500V
	Isolation between all I/O and ground no less than 500V
	Isolation between flow tube and transmitter outputs no less than 500V
Temperature Sensor	Pt1000
Standard	JB/T 9248-1999 Electromagnetic Flowmeter

Model Selection

Model RBEF-H Electromagnetic Energy Flowmeter(BTU Meter) Ordering Code

RBEF-H	DN	-		-		-		-		-		-		-		-		-		-		-		-		-
	1		2		3		4		5		6		7		8		9		10		11		12		13		14	15	16

1 Nominal Diameter(mm)/ [inches] ⁽¹⁾

0015 [½”]	0100 [4”]	0450 [18”]	1400 [56”]
0020 [¾”]	0125 [5”]	0500 [20”]	1600
0025 [1”]	0150 [6”]	0600 [24”]	1800
0032 [1¼]	0200 [8”]	0700 [28”]	2000
0040 [1½]	0250 [10”]	0800 [32”]	2200
0050 [2”]	0300 [12”]	0900 [36”]	2400
0065 [2½]	0350 [14”]	1000 [40”]	2600
0080 [3”]	0400 [16”]	1200 [48”]	3000

2 Flange Rating ⁽¹⁾

02	0.25 MPa	1600 … 3000
06	0.6 MPa	700 … 3000
10	1.0 MPa	200 … 1400
16	1.6 MPa	15 … 600
20	ANSI Class 150	15 …1400
40	4.0 MPa	15 … 150
50	ANSI Class 300	15 … 1400
AA	Special

3 Electrode Material

1	316L Stainless Steel
3	Hastelloy C-22
4	Hastelloy B-10
5	Titanium
6	Tantalum
7	Platinum / Iridium Alloy
8	Tungsten Coated Stainless Steel
9	ceramic

4 Lining Material

1	Neoprene (Hard rubber)	≤ 3000
2	PTFE	≤ 1000
3	Polyurethane	≤ 300
4	PFA	≤ 250
5	Tefzel	≤ 250
6	PFA with Wire Net	80 … 250
7	Tefzel with Wire Net	80 … 250
8	Ceramic	15 … 200
9	HDPE	≤ 1000

5 Grounding and Lining Protection

0	Flange ground	15 … 3000
1	Earth ring	15 … 250
2	Ground electrode	50 … 3000
3	Inlet protection ring	50 … 3000

6 Max. Process Temperature

A	80°C	All Linings
B	120°C	Neoprene / PTFE / PFA / Tefzel
C	180°C	PTFE only

7 Environmental Protection Class

1	IP65
2	IP67 (Compact Type Only)
3	IP68 (Remote Type Only)

8 Explosion Proofing

1	None
2	Ex DE IIC T6

9 Configuration – sensor/transmitter

1	Compact (15 … 1000)
2-X	Remote (with Xm cable, standard: 10m)⁽²⁾

10 Power Supply

A	AC: 85 … 265 VAC / 45 … 63Hz
D	DC: 18 … 36 VDC

11 Display and Programming

2	2 line LCD display + keypad programming
3	3 line LCD display + keypad programming

12 Output and Input

0	Basic Configuration (current, pulse and contact outputs)
1	Basic Configuration + RS485(MODBUS)
2	Basic Configuration + GPRS
3	Relay
4	Hart
5	PROFIBUS-DP

13 Calibration Specification

1	3 point, 0.5% accuracy
2	3 point, 0.25% accuracy
3	Special

14 Flow Tube Configuration

	Flange Type	15 … 3000
D	DIN
A	ANSI
J	JIS
2	Wafer
3	Tri-clamp	1.5 -200
O	Others(pls clarify)
4	Flange type with removable electrodes	15 … 3000
15 Body + Flange material
C	Carbon Steel
S	304 Stainless Steel

16 Special Function

0	No	R	IR Remote
T	Power off timer	H	Cumulative hours
Q	Quantitative control	J	Relay Output
S	Input Switch

17 with Heat measuring

0	No
T	With Measuring heat function, with Pt-1000

Remark:

(1) Line size selection will be inches for ANSI Class 150/300 rating selection, DIN size for all other ratings

(2) Order longer cable length separately

(3) Ceramic liner and electrodes is with wafer and flange type only

Applicants

The RBEF-H Electromagnetic Energy Flowmeter Applicants:

HVAC/BTU Meter;
Heat/Cooling System;
Efficiency measuring and monitoring from central control rooms.
Energy consumption data source for energy management system, DCS, district-wide systems.
Energy-Customer Billing from accurately totalized Energy / MASS measurements.
chilled water, hot water, domestic water, condenser water and boiler feeds.
Basis for internal cost distribution using campus-wide systems.
Direct Energy / MASS measurements at both Boiler and “point of use” locations.

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Electromagnetic Energy Flowmeter

Description

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