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GALONMETER GL-UL-HM ENERGY METER can be used for measuring the energy consumption in heating / cooling application, with the size from Dn20 to Dn40, designed by GALONMETER and Standard CJ128-2007.
CONSTRUCTION and CHARACTERITICS:
GALONMETER GL-UL-HM consists of three basic components: main case with flow sensor, temperature sensor and calculator.
1. No moving parts permitting the most reliable and longer term life;
2. High accuracy in Class 2;
3. Installation method: supply or return flow at horizontal;General:
Application
Heating – Cooling – Heating/Cooling
Approval
CJ 128-2007
Protection Class
IP54
Battery Supply
3,6VDC; 6 to 8 years lifetime
Temperature Sensor type
PT1000 platinum sensor; Φ5,2mm
Cable Length of Temperature Sensor
1,5m
Measuring Circle Volume
1 second
Testing Possibilities
Via display or Infrared Sensor Communication
Calculator:
Environmental Class
Class A
Ambient Temperature
+5℃ to +55℃
Ambient Storage Temperature
-20℃ to +70℃
Protection Class
IP54
Communication
M-BUS
Optional Interface
RS485, RS232, Pulse Output
Temperate Range
+4℃ to +105℃
Extensive Readable Date Memory
Periodical log; History log; Event memory
Display indication
LCD – 8 digits
Display units
kWh (or MWh or GJ) –m3 - m3/h - ℃
Values Displayed
Energy – Power – Volume – Flow Rate - Temperature
Temperature Sensor:
Sensor Current – mA
PT1000 peak<1,5mA, rms<0,005
Measuring Cycle – T
10 seconds
Temperature measuring range - Θ
2℃ to 95℃
Resolution ratio - ΔΘ
0,01K
Min. Temperature different - ΔΘmin
3K
Max. Temperature different - ΔΘmin
80K
Dimension:
Size
Dn15
Dn20
Dn25
Dn32
Dn40
L
130
160
160
200
L1
234
280
284
331
D
G1B
G1-1/4B
G1-1/2B
G2B
d
R3/4
R1
R1-1/4
R1-1/2
H
110
120
125
140
W
85
85
85
85
Main Technical Data:
Size
Mm
Dn15
Dn20
Dn25
Dn32
Dn40
Max. Flow Rate - Qmax
m3/h
5
7
12
20
Overload Flow Rate
m3/h
6,5
18
18
24
Normal Flow Rate - Qn
m3/h
2,5
3,5
6
10
Min. Flow Rate - Qmin
l/h
50
70
12
20
Starting Flow rate
l/h
5
7
12
20
Weight
kgs
0,7
1,5
Max. Reading
m3
999999.99
Max. Reading
KW·h
99999999
Operating Pressure - PN
bar
16
Pressure Loss at Qn - ΔP
bar
0,25
L1: the total length with connection and the gasket without compression.
Max. Permission Error:
Pressure Loss Curve:
Display Function:
Long press the button for 3 seconds, the display menu will scroll and switch among A1-A2-A3; in the case of short pressing the button, it will scroll and display contents under the same menu;
Main display menu A1: Accumulative heat (kWh); Accumulative cold (kWh); Power (KW); Inlet & Outlet temperature (℃); Temperature different of inlet
and outlet (℃); Accumulative volume (m3); Instantaneous flow rate (m3/h); Accumulative running time (h); Accumulative malfunction time (h);
Main display menu A2: Current date; Manufacture no.; Display test;
Main display menu A3: the monthly consumption of heat and volume in the first 18 months, heat and volume will be displayed alternately and automatically;
Fault alarm menu: Indication of low battery power and other functions of automatic fault diagnosis.
Detail as:
Installation:
GALONMETER suggests to install the energy meter as:
