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

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

HYDRUS

Technical Data

Size

⅝" x ½"

⅝" x ¾"

¾"S

¾"

1 ½"

2" *

Lay length

inch

7½

10¾

Operating flow range

gpm

0.08 - 22

0.1 - 32

0.1 - 55

0.16 - 100

0.8 - 170

Low flow range

gpm

0.025 - 0.08

0.04 - 0.1

0.055 - 0.1

0.1 - 0.16

0.55 - 0.8

Starting flow

gpm

0.011

0.017

0.025

0.038

0.11

Operating range accuracy

±1.5

Low flow range accuracy

±5

Pressure loss

psi

4.3@15 gpm

2.0@15 gpm

1.5@25 gpm

3.5@70 gpm

3.6@110 gpm

^{*Please contact Diehl Metering US for 2" availability.}

Dimensions

Size			⅝" x ½"	⅝" x ¾"	¾"S	¾"	1"	1 ½"	2" *
Lay length		inch	7½	7½	7½	9	10¾	13	17
Register length	L1	inch	3.5	3.5	3.5	3.5	3.5	3.5	3.5
Register width	W	inch	3.7	3.7	3.7	3.7	3.7	3.7	3.7
Overall height	H	inch	4.0	4.0	4.0	4.0	4.2	5.3	5.8
Height from center of pipe to top	H1	inch	2.7	2.7	2.7	2.7	2.8	3.3	3.3
Nominal thread size			¾" - 14 NPSM	1” - 11½ NPSM	1” - 11½ NPSM	1” - 11½ NPSM	1¼” - 11½ NPSM	oval flanges	oval flanges
Net weight		lbs.	2.8	2.8	2.8	3.1	3.5	14.1	19.2