HYDRUS 1.3 (phased out)

ULTRASONIC METER

Static ultrasonic water meter for accurate measuring and recording for all applications of water supply.

Ultrasonic water meter with long-term stability under difficult conditions (no measurement of air and insensitive against sedimentation)
Higher performance than class D requirements
Metrological class 2 and dynamic range up to R 400
Compliant with MID, OIML R49 and EN 14154
Mounting in any installation position, no calming sections required
Housing with thread connection lead-free brass
IP68 suitable for outdoor installations
Certified for drinking water (AoC DEU and ACS)
Wired M-Bus, Radio OMS, Radio/L-Bus and Pulse interface available
Radio communication based on Open Metering telegram (OMS-Generation 3, Profile A, or OMS-Generation 4, Profile B, selectable)
Highest data security for AMR communication
Displaying of error- and alarm codes, including leakage detection
Battery lifetime up to 16 years
Data logging capabilities to record up to 1.024 daily values + 32 configurable values (hourly, daily, weekly, monthly) and an annual due date

Medium temperature range		°C	0.1 ... 90
Ambient operating temperature		°C	1 ... 70
Ambient storage temperature		°C	-10 ... +70 (>35 °C max. 4 weeks)
Environmental class			O (Outdoors)
Mechanical environmental class			M2
Electromagnetic environmental class			E2
Nominal pressure	PN	bar	16
Power supply			Two 3.6 VDC lithium-batteries (only one battery with M-Bus possible)
Battery lifetime T30¹/T50¹			Up to 12 years (one battery), up to 16 years (two batteries)
Battery lifetime T90¹			Up to 12 years (all interfaces)
Interfaces			Optical, radio 434 or 868 MHz, M-Bus, L-Bus, pulse
Data storage			For events and for consumption values
Protection class			IP 68

¹depends on the sending interval of the radio telegram, the telegram length and the ambient temperature at the installation

Display indication			LCD, 8-digit
Units DN 15 - DN 32			Flow and volume (m³ + 3 digits after the comma)
Units DN 40 + DN 50			Flow (m³ + 3 digits after the comma); Volume (m³ + 2 digits after the comma)
Values displayed (depending on configuration)			Volume²- flow - mediums temperature - display test²- current error and alarm status² - date - primary and secondary address - radio signal ON/OFF - battery lifetime²- accounting day - error hour counter - pulse values - software checksum²

²Display according to approval (always on)

Optical			For configuration of display information and radio telegram, to switch to the various display loops
Radio			434 or 868 MHz, real data telegram (configurable), Open Metering Standard (OMS-Generation 3, Profile A, or OMS-Generation 4, Profile B, selectable)
M-Bus			2400 Baud (adjustable to 300 Baud), configurable telegram, cable length 1.5 m, power supply only via built-in battery
L-Bus			In combination with radio, cable length 1.5 m
Pulse (Open collector)			Two configurable pulse outputs, cable length 1.5 m

Max. input voltage	V	30
Max. input current	mA	27
Max. voltage drop at active output	V/mA	2/27
Max. current through inactive output	μA/V	5/30
Max. reverse voltage without destroying outputs	V	6
Pulse rates	l/pulse	Decadic 0.1 ... 100
Pulse output 1 variants		Total volume or forward volume
Pulse output 2 variants		Forward volume, direction³ or error
Pulse duration		Depending on device configuration⁴
Pulse break		Depending on device configuration⁴
Pulse frequency		Depending on device configuration⁴

³when total volume on pulse output 1, only direction possible on pulse output 2
⁴detailed description on request

⁵further overall lengths on request
⁶at dynamic range R 250
⁷substitute for body length 105 mm rising pipe

Approval		MID LNE 14586, OIML R49, EN 14154, AoC DEU, ACS, TVO, WRAS
Dynamic range (Q₃/Q₁) - Q₃1.6 m³/h (T30 - T50)	R	160 / 200 / 250
Dynamic range (Q₃/Q₁) - Q₃2.5 m³/h (T30 - T50)	R	160 / 200 / 250 / 315 / 400
Dynamic range (Q₃/Q₁) - Q₃4 m³/h (T30 - T50)	R	160 / 200 / 250 / 315 / 400
Dynamic range (Q₃/Q₁) - Q₃1.6 - 4 m³/h (T90)	R	160 / 200

Nominal diameter	DN	mm	15	20	20	15	15	20 *	20	20	20⁷	20	20
Permanent flow rate	Q₃	m³/h	1.6	1.6	1.6	2.5	2.5	2.5 *	2.5	2.5	4⁷	4	4
Overall length⁵	L	mm	110	130	190	110	165	110 *	130	190	110⁷	130	190
Counter length	L1	mm	88	88	88	88	88	88	88	88	88	88	88
Counter width	B	mm	94	94	94	94	94	94	94	94	94	94	94
Overall length with coupling	L2	mm	190	230	290	190	245	210	230	290	210	230	290
Connection thread on meter		Inch	G¾B	G1B	G1B	G¾B	G¾B	G1B	G1B	G1B	G1B	G1B	G1B
Connection thread of coupling		Inch	R½	R¾	R¾	R½	R½	R¾	R¾	R¾	R¾	R¾	R¾
Height	H1	mm	67	65	65	67	67	65	65	65	65	65	65
Weight without coupling (approx.)		kg	0.8	0.9	1.1	0.8	1	0.9	0.9	1.1	0.9	0.9	1.1
Weight with coupling (approx.)		kg	1	1.3	1.5	1	1.4	1.3	1.3	1.5	1.3	1.3	1.5
Height	H	mm	32	34	34	32	32	34	34	34	34	34	34

⁷substitute for body length 105 mm rising pipe

Pressure loss graph / Typical error graph

Pressure loss graph

Typical error graph

⁵further overall lengths on request
⁶at dynamic range R 200

Approval		MID LNE 14586, OIML R49, EN 14154, AoC DEU, ACS, TVO, WRAS
Dynamic range (Q₃/Q₁) - Q₃6.3 m³/h (T30 - T50)	R	40 / 80⁷ / 160 / 200
Dynamic range (Q₃/Q₁) - Q₃10 m³/h (T30 - T50)	R	40 / 80⁷ / 160 / 200 / 250
Dynamic range (Q₃/Q₁) - Q₃16 m³/h (T30 - T50)	R	40 / 80 / 160 / 200 / 250 / 315⁸ / 400⁸
Dynamic range (Q₃/Q₁) - Q₃25m³/h (T30 - T50)	R	40 / 80 / 160 / 200 / 250 / 315 / 400
Dynamic range (Q₃/Q₁) - Q₃6.3 - 25 m³/h (T90)	R	40 / 80 / 160

⁷variant DN 25 with body length 135 mm and 150 mm only in R 80
⁸not for DN 50

Nominal diameter	DN	mm	25	32	25	25	25	32	40	40	50	50	50	50
Permanent flow rate	Q₃	m³/h	6.3	6.3	10	10	10	10	10	16	16	16	25	25
Overall length⁵	L	mm	260	260	135	150	260	260	300	300	270	300	270	300
Counter length	L1	mm	92	92	92	92	92	92	92	92	92	92	92	92
Counter width	B	mm	94	94	94	94	94	94	94	94	94	94	94	94
DIMENSIONS - THREAD			.	.	.	.	.	.	.	.	.	.	.	.
Overall length with coupling	L2	mm	380	380	255	270	380	380	440	440	390	420	390	420
Connection thread on meter		Inch	G1¼B	G1½B	G1¼B	G1¼B	G1¼B	G1½B	G2B	G2B	G2½B	G2½B	G2½B	G2½B
Connection thread of coupling		Inch	R1	R1¼	R1	R1	R1	R1¼	R1½	R1½	R2	R2	R2	R2
Height	H1	mm	84	84	84	84	84	84	87	87	90	90	90	90
Weight without coupling (approx.)		kg	1.6	1.8	1.17	1.24	1.6	1.8	3.05	3.05	3.9	4,05	3.9	4,05
Weight with coupling (approx.)		kg	2.2	2.4	1.77	1.84	2.2	2.4	4.25	4.25	5.5	5,65	5.5	5,65
Height	H	mm	26	26	26	26	26	26	31	31	41	41	41	41
DIMENSIONS - FLANGE			.	.	.	.	.	.	.	.	.	.	.	.
Flange diameter	D	mm	115	140	-	-	115	140	148	148	163	163	163	163
Hole circle diameter	K	mm	85	100	-	-	85	100	110	110	125	125	125	125
Number of screwholes		pcs	4	4	-	-	4	4	4	4	4	4	4	4
Screwhole diameter	D1	mm	14	18	-	-	14	18	18	18	18	18	18	18
Height	H	mm	50	62.5	-	-	50	62.5	69	69	73.5	73.5	73.5	73.5
Height	H1	mm	84	84	-	-	84	84	87	87	90	90	90	90
Width	F	mm	100	125	-	-	100	125	138	138	147	147	147	147
Weight with flanges (approx.)		kg	3.45	4.7	-	-	3.45	4.7	6.67	6.67	7.23	7.47	7.23	7.47

Pressure loss graph / Typical error graph

Pressure loss graph

Typical error graph