The bulk Woltmann water meter, which has the characteristics of high metering accuracy, small starting flow, convenient meter reading, safety and health, and long life time. It is designed for Industrial and commercial users and complies with Standard OIML R49/ISO4064/EN14154.

lMetrological characteristics

Nominal Diameter(mm)		50	80	100	150	200	250	300
Flowrate	Q4（m3/h）	50	78.75	125	312.5	500	787.5	1250
	Q3（m3/h）	40	63	100	250	400	630	1000
	Q2（m3/h）	0.4	6.3	1	2.5	4	6.3	10
	Q1（m3/h）	0.25	0.4	0.63	1.5	2.5	4	6.3
Q3/Q1		R160
Accuracy classes		Class 2 Q1≤Q＜Q2：±5% Q2≤Q≤Q4：0.1℃≤T≤30℃：±2% T＞30℃：±3%
Meter temperature classes		T50
Meter pressure classes		MAP1.6MPa（16bar）
Pressure-loss		ΔP63

lElectronic characteristics

Key Features

lDN50-DN300, Woltmann, Super dry

lOIML R49/ISO 4064/EN14154 Standard

lR160/R200，MAP16, T50,ΔP63

lElectronic metering, no gear.

lRS485/M-Bus

lIP68 protection

Main Functions

Measurement

lSupport forward and reverse flow metering

lSupport total volume and instantaneous flow rate

lSupport the DMA(District metered Area) and leakage management

lWater consumption statistics and analysis function

Communication

lWired M-Bus /RS485

lProtocol: EN13757.3,MODBUS-RTU

Alarm and Event logs

lAnti-magnetic detection & log

lLow-Battery detection & log

lWater return and meter stop detection & log

lLeakage detection & log.

lAnti-tamper detection & log

lHistory data, such as hourly data, daily data, monthly data, etc.

lEvent logs.

Security

lData encryption, AES-128, STS.

lCommunication security.

Certificates

lISO4064

lIP68

Dimensions