DIEHL Hydrus Ultrasonic Meter Owner’s Manual

DIEHL Hydrus Ultrasonic Meter

APPLICATION
Highly accurate, lead-free brass ultrasonic smart water meter for residential, commercial and industrial installations.

FEATURES

• Extreme low-flow accuracy and long term measurement stability
• Integrated leak detection
• Mountable in any installation position
• Lead-free copper alloy body
• IP68 rated
• 42 days of hourly data storage
• Diehl Extended Encoder protocol that includes temperature, alarms and error messages, etc.
• Meets or exceeds C715 AWWA/ANSI Standards
• Complies with NSF/ANSI Standards 61, Annex F/G as well as FCC part 15 B

GENERAL TECHNICAL DATA

HYDRUS

• Potable water temperature °F 33 … 122
• Ambient operating temperature °F -13 … 131
• Ambient storage temperature °F -13 … 158 (90° F max. for one hour)
• Maximum operating pressure psi 300
• Power supply Two 3.6 VDC lithium batteries
• Battery lifetime Up to 20 years
• Encoder interface 9 digit programmable resolution industry standard encoder protocol, ASCII output for compatibility with most AMR/AMI systems, Diehl extended protocol is available
• Data storage Alarms and consumption values (42 days of hourly data storage)
• Protection class IP68

TECHNICAL DATA DISPLAY

• Display indication LCD, 9-digit, additional symbols/display counter/unit

• Units Flow and volume (gpm, gal, ft³, m³)

• Values displayed
  Display test – total volume – firmware version / checksum – current flow – errors / alarms (Additional values based on configuration)

• Alarms
  Hardware flow – leak detection – backflow – air in pipe – low battery – undersized meter – no consumption – high temperature – freezing risk

APPROVAL

• NSF Complies with NSF/ANSI Standard 61, Annex F/G
• AWWA Meets or exceeds applicable sections of the AWWA/ANSI C715 Standards
• FCC Complies with FCC part 15 B

MATERIAL

• Measuring pipe Lead-free copper alloy (stainless steel 1½” & 2″)
• Register housing Engineered polymer
• Transducers Composite
• Reflectors Stainless steel

TECHNICAL DATA

±5
Pressure loss                                                psi| 4.3@15 gpm| | 4.3@15 gpm|  | 2.0@15 gpm|  | 2.0@15 gpm
Size|  | 1″|  | 1 ½”|  | 2″|
Lay length                                                   inch|  | 10¾|  | 13|  | 17|
Operating flow range                                  gpm|  | 0.1 – 55|  | 0.16 – 100|  | 0.8 – 170|
Low flow range                                            gpm|  | 0.055 – 0.1| | 0.1 – 0.16|  | 0.55 – 0.8|
Starting flow                                               gpm|  | 0.025|  | 0.038|  | 0.11|
Operating range accuracy                              %|  | ±1.5|  | ±1.5|  | ±1.5|
Low flow range accuracy                                %|  | ±5|  | ±5|  | ±5|
Pressure loss                                                psi|  | 1.5@25 gpm|  | 3.5@70 gpm|  | 3.6@110 gpm|

DIMENSIONS

H1

| ****

inch

| ****

2.7

|  | ****

2.7

|  | ****

2.7

|  | ****

2.7

Nominal thread size

|  |  | ¾” – 14

NPSM

|  | 1” – 11½ NPSM|  | 1” – 11½ NPSM|  | 1” – 11½ NPSM
Net weight|  | lbs.| 2.8|  | 2.8|  | 2.8|  | 3.1
Size|  |  |  | 1″|  | 1 ½”|  | 2″|
Lay length|  | inch|  | 10¾|  | 13|  | 17|
Register length| L1| inch|  | 3.5|  | 3.5|  | 3.5|
Register width| W| inch|  | 3.7|  | 3.7|  | 3.7|
Overall height| H| inch|  | 4.2|  | 5.3|  | 5.8|
Height from center of pipe to top| ****

H1

| ****

inch

|  | ****

2.8

|  | ****

3.3

|  | ****

3.3

|

Nominal thread size

|  |  |  | 1¼” – 11½ NPSM|  | ****

oval flanges

|  | ****

oval flanges

|
Net weight|  | lbs.|  | 3.5|  | 14.1|  | 19.2|

Diehl Metering LLC, U.S.A ∙ 2200 Western Court, Suite 110 ∙ IL 60532 Lisle ∙ United States of America
Phone: +1331-204-6540
metering-usa-info@diehl.com
www.diehl.com/metering/us/en/
Subject to error and adjustments.

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