Product Services | EMS｜Smart Water Meter, IoT Metering Solution

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HYBRID DIGITAL WOLTMANN WATER METER

Model

Size

50-300 mm

Applicable Water

Raw Water, Tap Water, Drinking Water

Outstanding measuring performance for cold clean water.
Best choice for commercial, industrial & distribution
network system.

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" Acc. to OIML R49, ISO 4064: 2014 & EN 14154: 2005"

Accuracy

‐Gear-free with digital sensing technology
‐Measuring range-R160/R200/R250
-Highly sensitve to low flow

Convenience

‐Direct reading LCD register
‐Register prepared for wired/wireless communication
‐Tamper proof & Leak detect smart functions

Reliability

-Build-in 10 years battery lifespan
‐Max. working pressure: PN10 & PN16
-Robust construction
-IP68 submerged protection

Applications

-Measurement for potable water up to 30 °C
-Commercial and Industrial
-Utility:Water supply network; WTP
-AMR:Remote meter reading
-DMA:Leakage detection

Model		WT 50	WT 80	WT 100	WT 150	WT 200	WT 250	WT 300
Diameter (mm/inch)		50 / 2"	80 / 3"	100 / 4"	150 / 6"	200 / 8"	250 / 10"	300 / 12"
Flow Range (m3/h)	Minimum Flowrate(Q1)	0.156	0.394	0.625	1.56	2.5	3.94	6.25
	Transitional Flowrate(Q2)	0.25	0.63	1	2.5	4	6.3	10
	Permanent Flowrate(Q3)	25	63	100	250	400	630	1000
	Overload Flowrate(Q4)	31.25	78.7	125	312.5	500	787.5	1250
Ratio Q3/Q1		160	160	160	160	160	160	160
Scale interval		0.0001	0.0001	0.001	0.001	0.001	0.01	0.01
Capacity of calculator		99999.9999	99999.9999	999999.999	999999.999	999999.999	999999.999	9999999.99
Water temperature range		0.1 to 30°C
Installation orientation		H (Horizontal with the indication device at the top)
Connection		Flange (DIN, ANSI, JIS available upon requirement)
Temperature class		T30
Maximum working pressure (Pmax)		16 kgf / cm2(bar)
Maximum pressure loss		0.4kgf / cm2(bar)
Protection Degree		IP68
Permissible error Q2 < Q < Q4		±2 %
Permissible error Q1 < Q < Q2		±5 %
Indicating device		Digital
Units displayed		m³
Battery		3.67 V
Battery life		10 Years
Mechanic class		M1
Climatic class		5 to 55 °C
Electromagnetic class		E1 (light industry)

Totalizer Logs

Users can view totalizer logs of 8 months & 8 days through the LCD display.

Monthly Totalizer Log - December

Daily Totalizer Log - the 7th day

Leak Detect

When leak is detected, LCD register will display alarm sign " 💧 ",
users can also view "Leak Days" on the screen.

Leak Alarm

Leak Days

Tamper Proof

EMS Smart Water Meter owns 3 tamper proof functions,
including O Days, H Days, and U Days.

-O Days: Static Days, the number of days that no flow is detected.
-H Days: Magnetic Interference Days, the number of days detecting magnetic interference.
-U Days: Reverse Days, the number of days that reverse flow is detected.

Static Days (O Days)

Magnetic Interference Days (H Days)

Reverse Days (U Days)

Minimum Night Flow

To precisely detect leakge and maintain water balenace,
EMS Smart Water Meter can record the water consumption of
3 specific durations at night, including L1, L2, and L3.

-L1: The default setting is 03:30~03:35, parameters are configurable
for pipeline leakage detection.
-L2: The default setting is 03:00~04:00, parameters are configurable
for supply network/ DMA management.
-L3: The default setting is 01:00~05:00, parameters are configurable
for maintaining water balance.

L1: 03:30~03:35
(Pipeline leakage)

L2: 03:00~04:00
(Supply Network/DMA)

L3: 01:00~05:00
(Water Balance)
(Supply-Consume=NRW)

Smart Monitoring

To maintain the stable operation and performance of flow meters,
EMS Smart Water Meter is equipped with three smart monitoring functions:

-N Days: Operation Days, the number of days that the water meter has been operating.
-B Days: Battery Power Shortage Days, the number of days that the battery is in low power.
-Overload Times: The number of times that the instant rate value is higher than
Qmax(overload flow rate).