2A7AA-OC524BOCTAVE Ultrasonic Meter

RELEASE 5.0 The OCTAVE-5 Ultrasonic Meters A revolutionary, precise and ultra reliable ultrasonic bulk water meter with no moving parts. With superior hydraulic and batteries that last up to 15 years, the Octave is today’s best choice for bulk meters. Applications Utilities, Waterworks, Industrial and Agricultural applications Available Sizes DN50-DN300 (2”-12”) with cast iron body DN40 and DN50 (1½”-2”) with polymer body DN40-DN300 (1½”- 12”) with stainless steel body Standards MID 2014/32/EU (based on OIML R49:2013, EN 14154 and ISO 4064:2014) AWWA WRAS NSF ACS KTW W-270 Construction Cast Iron - epoxy coated, stainless steel (SS316)* or highly reinforced polymer for 1½” and 2” (DN40 and DN50, only threaded version) All external bolts and nuts are made of stainless steel. The size of the meter and the direction of flow are cast in raised letters on the outer surface of the case. * DN40 and DN50 with threads, DN50-DN150 only with floating flanges Technical Specifications Maximum Working Pressure 16 bar Liquid Temperature 0.1 up to 50 º C Precision Class ISO 4064 rev.2014, Accuracy class 2 Configuration Compact - The display is built in to the unit Power Source 2 D size Li-battery: up to 15 years life time Environmental Protection IP 68, Ambient operation temp. -25°C up to +55°C Volume Display Options 1. Net (Forward less reverse) 2. Forward only 3. Reverse only 4. Forward & reverse alternating Data Logger Volumes and alarms data (48KB, 4130 data points) Connections 1½-2” threaded: with couplings to NPT/ BSP 2”-12” flanged: flanges according to ISO, BS 10 and ANSI 150 Pressure Sensor (optional) Gauge pressure 0 to 16 +0.5 [bar] Pressure Loss ΔP 0.16 bar Outputs Analog Output The Analog Output shows the currently measured flow rate. This output is a 4 - 20 mA current loop (the end user must supply power to the unit). The Analog Output is programmable for forward and reverse flow (see Operation Manual for more details). The 20mA point is programmable per customer request (To any flow lower than the max flow of the meter). Digital (pulse) Output The Digital (pulse) Output is an open drain transistor output that provides pulse per quantity with these options: 1. Two scaled forward and/or reverse mode pulses 2. One scaled forward pulse and one alarm frequency output 3. Measuring units of the output can be programmed different than displayed units Pulse resolution will be shown on the display for each pulse separately. Dry Contact Output The Dry Contact Output is a dual mechanical relay output that provides pulse per quantity with these options: 1. Two scaled forward and/or reverse mode pulses 2. One scaled forward pulse and one alarm frequency output 3. Measuring units of the output can be programmed different than displayed units Pulse resolution will be shown on the display for each pulse separately. Onsite power supply of 5-35 VDC is needed. SSR (Solid State Relay) Pulse output The SSR is a dual electronic relay output that provides pulse per quantity with these options: 1. Two scaled forward and/ or reverse pulses 2. One scaled forward and one alarm frequency output 3. Measuring units of the output can be programmed different than displayed units Pulse resolution will be shown on the display for each pulse separately. Onsite power supply of 5-35 VDC is needed. Encoder Output The Encoder Output is a serial communication protocol utilizing UI1203 or UI1204 (Sensus protocol). Additional pulse output is available as an option. Modbus Protocol Output / M-Bus The improved full Modbus/ MBus protocols include an optional pulse output and have the following available functions: 1. Alarms (battery, empty pipe) 2. AMR serial number 3. Real Time Clock (RTC) 4. Volume units 5. Flow rate units 6. Current flow 7. Flow direction 8. Forward and reverse volumes 9. Flow and volume resolution Output Extension Cable 5m extension cable for installation in pits and vaults BLE (low Energy Bluetooth) Internal connectivity BLE module for service, additional to NFC connectivity CAUTION This device complies with part 15 of the FCC Rules. The User and the Installer should be aware that changes and modifications to the equipment not expressly approved by Master Meter could void warranty and the user's authority to operate the equipment. Professionally trained personnel should install the equipment. The antenna used for this transmitter must be installed to normally provide minimum separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter. ATTENTION This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: -- Reorient or relocate the receiving antenna. -- Increase the separation between the equipment and receiver. -- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. -- Consult the dealer or an experienced radio/TV technician for help. Digital Display Digital Display Flow direction Flow rate units Accumulator mode Communication mode (including Low battery alert Measuring Principle Shabbat-Mode System error Water temperature Output mode Volume units Pulse resolution The vacuum sealed (IP68) digital display is equipped with the following: a. Forward & reverse flow notification…

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DATE : 2022-02-28 Federal Communications Commission Authorization & Evaluation Division 7345 Oakland Mills Road Columbia, Maryland 21046 Authority to Act as Agent On our behalf, I appoint Jason Wu of Global United Technology Services Co., Ltd.and No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China to act as our agent in the preparation of this application for equipment certification. I certify that submitted documents properly describe the device or system for which equipment certification is sought. I also certify that each unit manufactured, imported or marketed, as defined in the Federal Communications Commission’s regulations will have affixed to it a label identical to that submitted for approval with this application. For instances where our authorized agent signs the application for certification on our behalf, I acknowledge that all responsibility for complying with the terms and conditions for certification, still resides with Arad Technologies Ltd. and POB 537, 4 Hamada street, Yokneam Elit 2069206, Israel Signature: Name: Noga Bar Title: VP of Quality and Excellence Company: arad technologies LTD

DATE : 2022-02-28 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2A7AA-OC524B Product Name: OCTAVE Ultrasonic Meter Request for Confidentiality To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Operational Description In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR §2.803 and the importation rules in Title 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s); External Photos Test Setup Photos Internal Photos User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuantto KDB 726920 D01. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Signature: Name: Noga Bar Title: VP of Quality and Excellence Company: arad technologies LTD

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Global United Technology Services Co., Ltd. Report No.: GTS202112000039F01 Authorized Signature: Robinson Luo Laboratory Manager This results shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of compiler and approver. Page 1 of 42 TEST REPORT Applicant: arad technologies LTD Address of Applicant: 4 Hamada Street, Yoqneam, Israel Manufacturer/Factory: arad technologies LTD Address of Manufacturer/Factory: 4 Hamada Street, Yoqneam, Israel Equipment Under Test (EUT) Product Name: OCTAVE Ultrasonic Meter Model No.: Octave-5 Trade Mark: Octave FCC ID: 2A7AA-OC524B Applicable standards: FCC CFR Title 47 Part 15 Subpart C Section 15.247 Date of sample receipt: December 01, 2021 Date of Test: December 02, 2021-January 17, 2022 Date of report issued: January 17, 2022 Test Result : PASS * * In the configuration tested, the EUT complied with the standards specified above. Report No.: GTS202112000039F01 Page 2 of 42 2 Version Version No. Date Description 00 January 17, 2022 Original Prepared By: Date: January 17, 2022 Project Engineer Check By: Date: January 17, 2022 Reviewer Report No.: GTS202112000039F01 Page 3 of 42 3 Contents Page 1 COVER PAGE ........................................................................................................................................... 1 2 VERSION .................................................................................................................................................. 2 3 CONTENTS .............................................................................................................................................. 3 4 TEST SUMMARY ..................................................................................................................................... 4 5 GENERAL INFORMATION ...................................................................................................................... 5 5.1 GENERAL DESCRIPTION OF EUT ......................................................................................................... 5 5.2 TEST MODE ........................................................................................................................................ 7 5.3 DESCRIPTION OF SUPPORT UNITS ....................................................................................................... 7 5.4 DEVIATION FROM STANDARDS ............................................................................................................. 7 5.5 ABNORMALITIES FROM STANDARD CONDITIONS ................................................................................... 7 5.6 TEST FACILITY .................................................................................................................................... 7 5.7 TEST LOCATION ................................................................................................................................. 7 5.8 ADDITIONAL INSTRUCTIONS ................................................................................................................. 7 6 TEST INSTRUMENTS LIST ..................................................................................................................... 8 7 TEST RESULTS AND MEASUREMENT DATA .................................................................................... 10 7.1 ANTENNA REQUIREMENT ................................................................................................................... 10 7.2 CONDUCTED OUTPUT POWER ........................................................................................................... 11 7.3 CHANNEL BANDWIDTH ...................................................................................................................... 12 7.4 POWER SPECTRAL DENSITY ............................................................................................................. 13 7.5 SPURIOUS EMISSION IN NON-RESTRICTED & RESTRICTED BANDS ....................................................... 14 7.5.1 Conducted Emission Method ..................................................................................................... 14 7.5.2 Radiated Emission Method ........................................................................................................ 15 8 TEST SETUP PHOTO ............................................................................................................................ 42 9 EUT CONSTRUCTIONAL DETAILS ..................................................................................................... 42 Report No.: GTS202112000039F01 Page 4 of 42 4 Test Summary Test Item Section in CFR 47 Result Antenna requirement 15.203/15.247 (c) Pass AC Power Line Conducted Emission 15.207 N/A Conducted Output Power 15.247 (b)(3) Pass Channel Bandwidth 15.247 (a)(2) Pass Power Spectral Density 15.247 (e) Pass Band Edge 15.247(d) Pass Spurious Emission 15.205/15.209 Pass Remarks: 1. Pass: The EUT complies with the essential requirements in the standard. 2. N/A: Not applicable. 3. Test according to ANSI C63.10:2013 Measurement Uncertainty Test Item Frequency Range Measurement Uncertainty Notes Radiated Emission 9kHz-30MHz 3.1dB (1) Radiated Emission 30MHz-200MHz 3.8039dB (1) Radiated Emission 200MHz-1GHz 3.9679dB (1) Radiated Emission 1GHz-18GHz 4.29dB (1) Radiated Emission 18GHz-40GHz 3.30dB (1) AC Power Line Conducted Emission 0.15MHz ~ 30MHz 3.44dB (1) Note (1): The measurement uncertainty is for coverage factor of k=2 and a level of confidence of 95%. Report No.: GTS202112000039F01 Page 5 of 42 5 General Information 5.1 General Description of EUT Product Name: OCTAVE Ultrasonic Meter Model No.: OCTAVE-5 Test sample(s) ID: GTS202112000039-1 Sample(s) Status: Engineer sample S/N: N/A Hardware Version: V2.X Software Version: 51.…

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GTS202112000039F01 Page 1 of 14 Appendix for 15.247 1. Duty Cycle 1.1 Test Result Test Mode Channel Frequency(M Hz) TX Type ANT No. T_on (ms) Period (ms) Duty Cycle (%) Duty Cycle Correction Factor (dB) GFSK 2402 SISO 1 0.119 0.626 19.01 7.21 2440 SISO 1 0.119 0.625 19.04 7.20 2480 SISO 1 0.118 0.625 18.88 7.24 1.2 Test Graph GTS202112000039F01 Page 2 of 14 GTS202112000039F01 Page 3 of 14 2. Bandwidth 2.1 Test Result Test Mode Frequency (MHz) TX Type ANT No. 6dB Bandwidth Verdict Test Result (MHz) Limits (MHz) GFSK 2402 SISO 1 0.507 ≥0.5 PASS 2440 SISO 1 0.506 ≥0.5 PASS 2480 SISO 1 0.502 ≥0.5 PASS Test Mode Frequency (MHz) TX Type ANT No. 99% Occupied Bandwidth Test Result (MHz) GFSK 2402 SISO 1 1.017 Only for Report Use 2440 SISO 1 1.015 Only for Report Use 2480 SISO 1 1.013 Only for Report Use 2.2 Test Graph - 6dB Bandwidth GTS202112000039F01 Page 4 of 14 GTS202112000039F01 Page 5 of 14 2.3 Test Graph - 99% Occupied Bandwidth GTS202112000039F01 Page 6 of 14 GTS202112000039F01 Page 7 of 14 3. Maximum Conducted Output Power 3.1 Test Result Test Mode Frequency (MHz) Tx Type Measured Peak Output Power (dBm) Limits (dBm) Verdict Ant 1 GFSK 2402 SISO -1.93 30 PASS 2440 SISO -2.27 30 PASS 2480 SISO -2.13 30 PASS 3.2 Test Graph GTS202112000039F01 Page 8 of 14 GTS202112000039F01 Page 9 of 14 4. Maximum Power Spectral Density (PSD) 4.1 Test Result Test Mode Frequency (MHz) Tx Type Maximum Power Spectral Density (dBm/3KHz) Limits (dBm/3kHz) Verdict Ant 1 GFSK 2402 SISO -15.12 ≤8 PASS 2440 SISO -15.56 ≤8 PASS 2480 SISO -15.83 ≤8 PASS 4.2 Test Graph GTS202112000039F01 Page 10 of 14 GTS202112000039F01 Page 11 of 14 5. Unwanted Emissions in Non-restricted Frequency Bands 5.1 Test Result Test Mode Frequency (MHz) TX Type ANT No. Spurious Conducted Emission (dBm) Limits (dBm) Verdict GFSK 2402 SISO 1 Refer to test graph -22.06 PASS 2440 SISO 1 Refer to test graph -22.06 PASS 2480 SISO 1 Refer to test graph -22.06 PASS 5.2 Test Graph GTS202112000039F01 Page 12 of 14 GTS202112000039F01 Page 13 of 14 GTS202112000039F01 Page 14 of 14 ------End------

Polymer body: Radiated Emission Metal body: Radiated Emission