SHARKY 775

COMPACT ENERGY METER | ULTRASONIC

Application

The ultrasonic compact energy meter can be used for measuring the energy consumption in heating / cooling application for billing purposes.

Features

Approval for ultrasonic meter with dynamic range up to 1:250 (qi:qp) in class 2 (depends on meter size), standard 1:100
Improved power consumption --> longer battery lifetime
Approved according MID in class 2 and 3 and PTB K 7.2 (cooling)
High long term stability, verified at independent AGFW test
Insensitive against dirt
Versatile possibility of power supply
Optional with integrated radio Open Metering Standard (868 or 434 MHz) Generation 3 Profile A or Generation 4 Profile B
Individual remote reading (AMR) with add on modules Plug & Play
Extensive readable data memory
3 communication interfaces (e. g. M-Bus + M-Bus + Radio)
Significantly improved radio performance
Leakage Detection

SHARKY

Basic features

Application		Heating - cooling - heating/with cooling tariff (cooling tariff at -dT and t_flow <20 °C)
Approval		MID (DE-10-MI004-PTB013) and PTB K7.2 for cooling (DE-16-M-PTB-0001)
Environmental class		Class C
Ambient class		Class E2 + M2
Ambient operating temperature	°C	+5 ... +55 (<35 °C have a positive lifetime effect)
Ambient storage temperature	°C	-25 ... +60 (>35 °C max. 4 weeks)
Communication		3 communication interfaces (e. g. M-Bus + M-Bus + Int. Radio; 2 primary adresses, 1 secondary adress)
Integrated Radio		Optional
Frequency band		868 or 434 MHz
Type of radio telegram		Open Metering Standard (OMS), Generation 3 Profile A or Generation 4 Profile B
Transmission data updating		Online - no time delay between value measurement and data transmission
Data transmission		Unidirectional
Sending interval		With A-cell: 180 s (up to 10.5 years lifetime); with D-cell: ~12 s (up to 16 years lifetime); with mains unit: ~12 s; depending on length of telegram (duty cycle)
Test possibilities		Via display, optical test pulses, test output or via NOWA software

Reach

Information pursuant to Article 33 (1) of Regulation (EC) No 1907/2006 of the European Parliament and of the Council of 18 December 2006:
This product series contains components with the following substances in a concentration of more than 0.1% weight by weight (w/w):
- Lead (CAS no.: 7439-92-1)
- Lead titanium zirconium oxide (CAS no.: 12626-81-2)

Basic features - Calculator

Protection class			IP 54
Battery supply			3.6 VDC A-cell up to 10.5 years lifetime (depending on configuration); 3.6 VDC D-cell up to 16 years lifetime
Mains supply			24 VAC (50 - 60 Hz); 230 VAC (50 - 60 Hz)
Temperature sensor type			Pt 100 or Pt 500 with 2-wire leads; Ø 5.2 / 6 mm or direct sensor
Cable length of temperature sensor			Pt 100: 1.9 m; Pt 500: 1.9 / 2.9 / 4.9 / 9.9 m
Absolute temperature range calculator	Θ	°C	1 ... 180
Measuring cycle - flow			With mains supply: ⅛ s; with A-cell battery: 1 s; with D-cell battery: 1 s
Measuring cycle - temperature sensor	T	s	With mains supply: 2 s; with A-cell battery: 16 s; with D-cell battery: 4 s
Starting temperature difference	ΔΘ	K	0.125
Min. temperature difference	ΔΘ_min	K	3
Max. temperature difference	ΔΘ_max	K	120 / 175 (heating) \| 50 (cooling)
Interfaces standard			Optical ZVEI interface 300 ... 2400 Baud (auto Baud detected)
Interfaces optional			2 Slots for modules with M-Bus, L-Bus, LON works, LoRa, MOD Bus, RS232, RS485, pulse output, pulse input, combined pulse in-/output or analogue output
Extensive readable data memory			Periodical log¹; 3 history logs; event memory (Flash/E²Prom - non-volatile)

¹ Programmable storage interval (daily, weekly, monthly, ...)

Basic features - Flow sensor

Mounting position flow sensor		Any position, calming sections not necessary, inlet installation / outlet installation / in field programmable
Protection class flow sensor		Heating IP 54 \| Heating with cooling tariff / cooling acc. IP 65
Material of the flow sensor body		Brass or spheroidal cast iron (only q_p 15 up to q_p 100 m³/h)
Temperature range heating	°C	5 ... 105 / 130 / 150 (depends on meter size and material)
Temperature range cooling	°C	5 ... 50
Temperature range heating/cooling	°C	5 ... 105

Display

Display indication			LCD, 8-digit
Units			MWh - kWh - GJ - Gcal - MBtu - gal - GPM - °C - °F - m³ - m³/h
Total values			99,999,999 - 9,999,999.9 - 999,999.99 - 99,999.999
Values displayed			Energy - Power - Volume - Flow rate - Temperature and more

Interfaces

Optical			ZVEI interface, for communication and testing, M-Bus protocol
M-Bus			Configurable telegram, according to EN13757-3, two wires with non polarity, auto baud detect (300 and 2400 baud), one M-Bus load
Wireless M-Bus			Open Metering Standard (OMS), Generation 3 Profile A or Generation 4 Profile B; frequency band 868 or 434 MHz
L-Bus			Adapter for external radio module, configurable telegram, according to EN13757-3, data reading and parametrization are via two wires with polarity reversal protection
Modbus RTU			Polarity independent, Voltage 12 - 24 V AC/DC, <150 mW; protocol - Modbus RTU, Channel - EIA-485 (galvanic isolated), Baud rate 1200 ... 115200. The default communication: 9600 bps Baud rate, 8N1 data format, Modbus Slave ID - 1
LonWorks			Polarity independent; Voltage 12 - 24 V AC/DC, <150 mW; Channel - TP/FT-10, Baud rate - 78 kbits per second, Data format - Differential Manchester Coding
LoRa			Five different telegrams can be selected via OTC App (AppStore Android). Up to 11 years lifetime with own battery and the modern ECO Mode. Transmission interval varies with the connection quality.
NB-IoT			Compatible in Slot 1 with internal antenna, with external D-Cell battery, 13+1 years battery lifetime with daily upload of 24 hourly values. Configurable with NFC connection via OTC App (AppStore Android).
RS232			Serial interface for communication with external devices, a special data cable is required, M-Bus protocol, 300 and 2400 baud
RS485			Serial interface for communication with external devices, power supply with 12 V ± 5 V, M-Bus protocol, 2400 baud
Pulse output			Module with 2 Open Collector pulse outputs (potential-free), output 1: 4 Hz (pulse width 125 ms), pulse or static conditions (e.g. errors), output 2: 200 Hz (pulse width ≥ 5 ms), configurable via IZAR@MOBILE 2 software
Pulse input			Module with 2 pulse inputs, max. 20 Hz, configurable via IZAR@MOBILE 2 software, data can be transferred remotely
Combined pulse in-/output			Module with 2 pulse inputs and 1 pulse output, configurable via IZAR@MOBILE 2 software, needed for leak detection
Analogue output			Module for 4 ... 20 mA with 2 programmable passive outputs, programmable value in case of error

Technical data flow sensor

Nominal flow rate	q_p	m³/h	0.6	0.6	0.6	1.5	1.5	1.5	1.5	2.5	2.5	3.5	3.5	3.5	3.5	3.5	6	6	6	6	6	6	10	10	15	25	40	60	100
Nominal diameter	DN	mm	15	20	20	15	15	20	20	20	20	25	25	25	32	32	25	25	25	32	32	40	40	40	50	65	80	100	100
Overall length	L	mm	110	130	190	110	165	130	190	130	190	135	150	260	150	260	135	150	260	150	260	150	200	300	270	300	300	360	360
Starting flow rate		l/h	1	1	1	2.5	2.5	2.5	2.5	4	4	10	10	10	10	10	10	10	10	10	10	10	20	20	40	50	80	120	120
Minimum flow rate (DR 1:250)	q_i	l/h	-	-	-	6	6	6	6	10	10	-	-	-	-	-	24	24	24	24	24	-	40¹	40¹	60¹	100¹	160	240¹	240¹
Minimum flow rate (DR 1:100)	q_i	l/h	6	6	6	15	15	15	15	25	25	35	35	35	35	35	60	60	60	60	60	60	100	100	150	250	400	600	1000
Maximum flow rate	q_s	m³/h	1.2	1.2	1.2	3	3	3	3	5	5	7	7	7	7	7	12	12	12	12	12	12	20	20	30	50	80	120	120
Overload flow rate		m³/h	2.5	2.5	2.5	4.6	4.6	4.6	4.6	6.7	6.7	18.4	18.4	18.4	18.4	18.4	18.4	18.4	18.4	18.4	18.4	18.4	24	24	36	60	90	132	132
Operating pressure	PN	bar	16/25	16/25	16/25	16/25	16/25	16/25	16/25	16/25	16/25	16/25	16/25	16/25	16/25	16/25	16/25	16/25	16/25	16/25	16/25	16/25	16/25	16/25	16/25	16/25	16/25	16/25	16/25
Pressure loss at q_p	Δp	mbar	95	85	85	120	120	75	75	100	100	44	44	44	44	44	128	128	128	128	128	190	140	140	140	75	80	75	210
Temp. range heating - brass body		°C	5 ... 130	5 ... 130	5 ... 130	5 ... 130	5 ... 130	5 ... 130	5 ... 130	5 ... 130	5 ... 130	5 ... 150	5 ... 150	5 ... 150	5 ... 150	5 ... 150	5 ... 150	5 ... 150	5 ... 150	5 ... 150	5 ... 150	5 ... 150	5 ... 150	5 ... 150	5 ... 150	5 ... 150	5 ... 150	5 ... 150	5 ... 150
Temp. range heating - spheroidal cast iron body		°C	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	5 ... 105	5 ... 105	5 ... 105	5 ... 105	5 ... 105
kv value (q_p² (m³/h) = kv² x Δp (bar))			1.95	2.06	2.06	4.33	4.33	5.48	5.48	7.91	7.91	16.69	16.69	16.69	16.69	16.69	16.77	16.77	16.77	16.77	16.77	13.76	26.73	26.73	40.09	91.29	141.42	219.09	218.22

¹ Only for horizontal installation

Dimensions thread version

Nominal flow rate	q_p	m³/h	0.6	0.6	0.6	1.5	1.5	1.5	1.5	2.5	2.5	3.5	3.5	3.5	3.5	3.5	6	6	6	6	6	6	10	10	15	25	40	60	100
Nominal diameter	DN	mm	15	20	20	15	15	20	20	20	20	25	25	25	32	32	25	25	25	32	32	40	40	40	50	65	80	100	100
Overall length	L	mm	110	130	190	110	165	130	190	130	190	135	150	260	150	260	135	150	260	150	260	150	200	300	270	300	300	360	360
Overall length with coupling	L2	mm	190	230	290	190	245	230	290	230	290	255	270	380	270	380	255	270	380	270	380	-	340	440	-	-	-	-	-
Length of calculator	L1	mm	150	150	150	150	150	150	150	150	150	150	150	150	150	150	150	150	150	150	150	150	150	150	-	-	-	-	-
Height	H	mm	14.5	18	18	14.5	14.5	18	18	18	18	23	23	23	23	23	23	23	23	23	23	23	33	33	-	-	-	-	-
Height	H1	mm	82	84	84	82	82	84	84	84	84	88.5	88.5	88.5	88.5	88.5	88.5	88.5	88.5	88.5	88.5	88.5	94	94	-	-	-	-	-
Height of calculator	H2	mm	54	54	54	54	54	54	54	54	54	54	54	54	54	54	54	54	54	54	54	54	54	54	-	-	-	-	-
Width of calculator	B	mm	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	-	-	-	-	-
Connection thread on meter		Inch	G¾B	G1B	G1B	G¾B	G¾B	G1B	G1B	G1B	G1B	G1¼B	G1¼B	G1¼B	G1½B	G1½B	G1¼B	G1¼B	G1¼B	G1½B	G1½B	G2B	G2B	G2B	-	-	-	-	-
Connection thread of coupling		Inch	R½	R¾	R¾	R½	R½	R¾	R¾	R¾	R¾	R1	R1	R1	R1¼	R1¼	R1	R1	R1	R1¼	R1¼	R1½	R1½	R1½	-	-	-	-	-
Weight¹		kg	0.76	0.85	0.96	0.76	0.85	0.85	0.96	0.85	0.96	1.03	1.08	1.5	1.23	1.5	1.03	1.08	1.5	1.23	1.5	1.52	2.9	3.1	-	-	-	-	-

¹ Meter with A-cell, without modules, 1.4 m cable length, 1.9 m cable length of temperature sensor Ø 5.2 mm

Dimensions flange version

Nominal flow rate	q_p	m³/h	0.6	0.6	0.6	1.5	1.5	1.5	1.5	2.5	2.5	3.5	3.5	3.5	3.5	3.5	6	6	6	6	6	6	10	10	15	25	40	60	100
Nominal diameter	DN	mm	15	20	20	15	15	20	20	20	20	25	25	25	32	32	25	25	25	32	32	40	40	40	50	65	80	100	100
Overall length	L	mm	110	130	190	110	165	130	190	130	190	135	150	260	150	260	135	150	260	150	260	150	200	300	270	300	300	360	360
Length of calculator	L1	mm	-	-	150	-	-	-	150	-	150	-	-	150	-	150	-	-	150	-	150	-	-	150	150	150	150	150	150
Height	H	mm	-	-	47.5	-	-	-	47.5	-	47.5	-	-	50	-	62.5	-	-	50	-	62.5	-	-	69	73.5	85	92.5	108	108
Height	H1	mm	-	-	84	-	-	-	84	-	84	-	-	88.5	-	88.5	-	-	88.5	-	88.5	-	-	94	99	106.5	114	119	119
Height of calculator	H2	mm	-	-	54	-	-	-	54	-	54	-	-	54	-	54	-	-	54	-	54	-	-	54	54	54	54	54	54
Width of calculator	B	mm	-	-	100	-	-	-	100	-	100	-	-	100	-	100	-	-	100	-	100	-	-	100	100	100	100	100	100
Flange dimension	F	mm	-	-	95	-	-	-	95	-	95	-	-	100	-	125	-	-	100	-	125	-	-	138	147	170	185	216	216
Flange diameter	D	mm	-	-	105	-	-	-	105	-	105	-	-	114	-	139	-	-	114	-	139	-	-	148	163	184	200	235	235
Hole circle diameter	K	mm	-	-	75	-	-	-	75	-	75	-	-	85	-	100	-	-	85	-	100	-	-	110	125	145	160	180¹/190	180¹/190
Screwhole diameter	D1	mm	-	-	14	-	-	-	14	-	14	-	-	14	-	18	-	-	14	-	18	-	-	18	18	18	19	19¹/22	19¹/22
Number of screwholes		pcs	-	-	4	-	-	-	4	-	4	-	-	4	-	4	-	-	4	-	4	-	-	4	4	8	8	8	8
Weight brass body²		kg	-	-	2.75	-	-	-	2.75	-	2.75	-	-	3.5	-	4.8	-	-	3.5	-	4.8	-	-	6.4	7.0	8.9	10.9	16.4	16.4
Weight spheroidal cast iron body²		kg	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	5.9	7.7	9.6	15.2	15.2

¹ Value for PN 16 housing
² Meter with A-cell, without modules, 1.4 m cable length, 1.9 m cable length of temperature sensor Ø 5.2 mm

Pressure loss graph / typical error graph

Pressure loss graph

Typical error graph

SHARKY 775

COMPACT ENERGY METER | ULTRASONIC

Application

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