SCP-TAABW01TA ABW Transmitter Unit

SJ Electro Systems Inc.

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Application Details

Equipment Class: DSC - Part 15 Security/Remote Control Transmitter
Date of Grant: Jan 23, 2005
Application Purpose: Original Equipment
Date of Application: Jan 23, 2005
Equipment Note: TA ABW Transmitter Unit
Frequency Range: 418.00000000 - 418.00000000
Company: SJ Electro Systems Inc.
Country: United States

Documents & Files

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Document Text

Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.

Users Manual

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Cover Letter(s)

scott To: [email protected] Cc: Mike Subject: FCC ID: SCP-TAABW01 1/20/2005 Mr. Fujimoto: In order for processing of this application (FCC ID: SCP-TAABW01) to continue, the following issue(s) will have to be addressed: 1) Please provide a drawing/diagram or photo showing the location of the FCC label to be placed on the transmitter. 2) Please indicate the length of the transmission which is initiated once per hour as described in the operational description. The item(s) indicated above must be submitted before processing can continue on the above referenced application. Failure to provide the requested information within 60 days of the original e-mail date may result in application dismissal and forfeiture of the filing fee. Also, please note that partial responses increase processing time and should not be submitted. Please upload responses and/or exhibits to the electronic filing website. Your correspondence number is SCP-TAABW01-1. Scott McCutchan Operations Manager Compatible Electronics TCB (714) 579-0500 Direct: (714) 579-1489 Fax: (714) 579-1850 [email protected] Correspondence by Project Project Number: -87264914 Correspondence Number Memo SCP-TAABW01-1 1) Please provide a drawing/diagram or photo showing the location of the FCC label to be placed on the transmitter. Response: Please See the Revised FCC Exhibit with Label Location. 2) Please indicate the length of the transmission which is initiated once per hour as described in the operational description. Response: The len gth of the transmission initiated once per hour is 900 mS. Correspondence by Project Project Number: -87264914 Correspondence Number Memo SCP-TAABW01-1 1) Please provide a drawing/diagram or photo showing the location of the FCC label to be placed on the transmitter. Response: Please See the Revised FCC Exhibit with Label Location. 2) Please indicate the length of the transmission which is initiated once per hour as described in the operational description. Response: The len gth of the transmission initiated once per hour is 900 mS.

Cover Letter(s)

WorldClientPage 1 of 2 https://www.celectron.../WorldClient.dll?Session=LMFLGQX&View=Message&Number=19712/2/04 Best Regards Mike Christensen Lab Manager Compatible Electronics, Inc. - Brea Division Phone: 714-579-0500 Fax: 714-579-1850 www.celectronics.com -----Original Message----- From: Dan Muzzey [mailto:[email protected]] Sent: Wednesday, December 01, 2004 6:02 AM To: Mike Subject: SJE Rhombus -- FW: Response to Inquiry to FCC (Tracking Number 165802) Mike Below is the response from the FCC on testing our wireless Tank Alert product to Rule Part 15.231(a). We would like to move ahead with this. If you could let me know when you can fit it into the schedule I would appreciate it. Dan Muzzey Design Engineer SJE Rhombus From: OET Generic account [mailto:[email protected]] Sent: Tuesday, November 30, 2004 9:27 AM To: Dan Muzzey Subject: Response to Inquiry to FCC (Tracking Number 165802) From: "Mike" <[email protected]> To: "Kyle Fujimoto" <[email protected]> Date: 12/01/2004 05:45 PM Subject: FW: SJE Rhombus -- FW: Response to Inquiry to FCC (Tracking Number 165802) WorldClientPage 2 of 2 https://www.celectron.../WorldClient.dll?Session=LMFLGQX&View=Message&Number=197 12/2/04 Inquiry: SJE Rhombus has an alarm product that we feel should be classified as a security or safety device as it applies to Sec 15.231. SJE Rhombus feels that this is justifiable based on the intent of the product. The alarm product in question monitors the level in a septic tank and alerts a home owner if the level gets to high. There are roughly 30 million septic tanks in the United States. As the alarm may go years without activation, SJE Rhombus feels that it is necessary to use a supervisory transmission to ensure the integrity of the system. This would allow us to alert the home owner in advance of any problems. SJE Rhombus also feels that this alarm is both a security device and a safety device. SJE Rhombus feels that it a security device because the intent of the alarm is to protect a home. Failure of the alarm could lead to homes being flooded by sewer water. It is not uncommon for home damage to exceed $10,000. SJE Rhombus also feels that this is a safety application. This believe is based on the definition found in the American Heritage Dictionary: A device designed to prevent accidents. Once again it is conceivable that a failed transmitter resulting in a flooded basement could result in electrocution or fire. The use of supervisory transmissions could prevent this by alerting the user to impending problems with their system. For these reasons we believe that our device should be allowed to operate under 15.231 (a), and be allowed to use supervisory transmissions as allowed for in subpart 3. The device in question operates at 418MHZ and meets all the qualifications for periodic transmissions at this frequency. The supervisor signal meets the requirements of part a in this section Response: Based on your description of the device, we agree that this falls under FCC Rules Part 15.231(a), and should be certified as such. Do not reply to this message. Please select the Reply to an Inquiry Response link from the OET Inquiry System to add any additional information pertaining to this inquiry.

ID Label/Location Info

BRACKET FCC ID: SCP-TAABWO1 CANADA IC: 5214A-TAABWO1 RECEIVER T r a n s m i t t e r n o t i n t e n de d t o b e s u b m e r g e d . T h i s d e v i c e c o m p l i e s w i t h P a r t 1 5 o f t h e F C C R u l e s O p e r a t i o n i s s u b j e c t t o t h e f o l l o w i n g t w o c o n d i t i o n s : 1 ) T h i s d e v i c e m a y n o t c a u se h a r m f u l i n t e r f e r e n c e a n d 2 ) T h i s d e v i c e m u s t a c c e p t a n y i n t e r f e r e n c e r e c e i v e d , i n c l u d i n g i n t e r f e r e n c e t h a t m a y c a u s e u n d e s i r e d o p e r a t i o n .

ID Label/Location Info

Test Report

Report Number: B40805D1 FCC Part 15 Subpart B and FCC Section 15.231 Test Report TA ABW Transmitter Unit Model: TA ABW 114 OLINDA DRIVE, BREA, CALIFORNIA 92823 PHONE: (714) 579-0500 FAX: (714) 579-1850 Page 1 of 16 FCC PART 15, SUBPART B and C TEST REPORT for TA ABW TRANSMITTER UNIT MODEL: TA ABW Prepared for SJE RHOMBUS 22650 COUNTY HIGHWAY 6 DETROIT LAKES, MINNESOTA 56501 Prepared by:_____________________ KYLE FUJIMOTO Approved by:____________________ MICHAEL CHRISTENSEN COMPATIBLE ELECTRONICS INC. 114 OLINDA DRIVE BREA, CALIFORNIA 92823 (714) 579-0500 DATE: DECEMBER 7, 2004 REPORT APPENDICES TOTAL BODY A B C D E PAGES 16 2 2 2 12 7 41 This report shall not be reproduced except in full, without the written approval of Compatible Electronics. Report Number: B40805D1 FCC Part 15 Subpart B and FCC Section 15.231 Test Report TA ABW Transmitter Unit Model: TA ABW 114 OLINDA DRIVE, BREA, CALIFORNIA 92823 PHONE: (714) 579-0500 FAX: (714) 579-1850 Page 2 of 16 TABLE OF CONTENTS Section / Title PAGE GENERAL REPORT SUMMARY 4 SUMMARY OF TEST RESULTS 4 1. PURPOSE 5 2. ADMINISTRATIVE DATA 6 2.1 Location of Testing 6 2.2 Traceability Statement 6 2.3 Cognizant Personnel 6 2.4 Date Test Sample was Received 6 2.5 Disposition of the Test Sample 6 2.6 Abbreviations and Acronyms 6 3. APPLICABLE DOCUMENTS 7 4. DESCIRPTION of TEST CONFIGURATION 8 4.1 Description of Test Configuration - EMI 8 4.1.1 Cable Construction and Termination 9 5. LISTS OF EUT, ACCESSORIES AND TEST EQUIPMENT 10 5.1 EUT and Accessory List 10 5.2 EMI Test Equipment 11 6. TEST SITE DESCRIPTION 12 6.1 Test Facility Description 12 6.2 EUT Mounting, Bonding and Grounding 12 7. TEST PROCEDURES 13 7.1 Radiated Emissions (Spurious and Harmonics) Test 13 7.2 Radiated Emissions (Spurious and Harmonics) Test (continued) 14 7.3 Bandwidth of the Fundamental 15 8. CONCLUSIONS 16 Report Number: B40805D1 FCC Part 15 Subpart B and FCC Section 15.231 Test Report TA ABW Transmitter Unit Model: TA ABW 114 OLINDA DRIVE, BREA, CALIFORNIA 92823 PHONE: (714) 579-0500 FAX: (714) 579-1850 Page 3 of 16 LIST OF APPENDICES APPENDIX TITLE A Laboratory Recognitions B Modifications to the EUT C Additional Models Covered Under This Report D Diagrams, Charts, and Photos • Test Setup Diagrams • Radiated Emissions Photos • Antenna and Effective Gain Factors E Data Sheets LIST OF FIGURES FIGURE TITLE 1 Plot Map And Layout of Radiated Test Site Report Number: B40805D1 FCC Part 15 Subpart B and FCC Section 15.231 Test Report TA ABW Transmitter Unit Model: TA ABW 114 OLINDA DRIVE, BREA, CALIFORNIA 92823 PHONE: (714) 579-0500 FAX: (714) 579-1850 Page 4 of 16 GENERAL REPORT SUMMARY This electromagnetic emission test report is generated by Compatible Electronics Inc., which is an independent testing and consulting firm. The test report is based on testing performed by Compatible Electronics personnel according to the measurement procedures described in the test specifications given below and in the "Test Procedures" section of this report. The measurement data and conclusions appearing herein relate only to the sample tested and this report may not be reproduced without the written permission of Compatible Electronics, unless done so in full. This report must not be used to claim product endorsement by NVLAP, NIST or any other agency of the U.S. Government. Device Tested: TA ABW Transmitter Unit Model: TA ABW S/N: N/A Product Description: The EUT is the transmitter for an alarm system that remotely monitors the level of a septic or holding tank and alerts the home owner if the level gets too high. Modifications: The EUT was not modified during the testing in order to meet the specifications. Manufacturer: SJE Rhombus 22650 County Highway 6 Detroit Lakes, Minnesota 56501 Test Dates: December 3, 4, and 6, 2004 Test Specifications : EMI requirements CFR Title 47, Part 15 Subpart B; and Subpart C, Sections 15.205, 15.209, and 15.231 Test Procedure: ANSI C63.4: 2003 Test Deviations: The test procedure was not deviated from during the testing. SUMMARY OF TEST RESULTS TEST DESCRIPTION RESULTS 1 Conducted RF Emissions, 150 kHz - 30 MHz This test was not performed because the EUT operates on batteries only and cannot be plugged into the AC public mains. 2 Radiated RF Emissions, 10 kHz - 4300 MHz Complies with the Class B limits of CFR Title 47, Part 15, Subpart B; and Subpart C, sections 15.205, 15.209, and 15.231. 3 -20 dB Bandwidth of the Fundamental Complies with the limits of Subpart C, sections 15.231 [c]. Report Number: B40805D1 FCC Part 15 Subpart B and FCC Section 15.231 Test Report TA ABW Transmitter Unit Model: TA ABW 114 OLINDA DRIVE, BREA, CALIFORNIA 92823 PHONE: (714) 579-0500 FAX: (714) 579-1850 Page 5 of 16 1. PURPOSE This document is a qualification test report based on the Electromagnetic Interference (EMI) tests performed on the TA ABW Transmitter Unit Model: TA ABW. The EMI measurements were performed according to the measurement procedure described in ANSI C63.4: 2003. The tests were performed in order to determine whether the electromagnetic emissions from the equipment under test, referred to as EUT hereafter, are within the Class B specification limits defined by CFR Title 47, Part 15, Subpart B; and Subpart C, sections 15.205, 15.209, and 15.231. Report Number: B40805D1 FCC Part 15 Subpart B and FCC Section 15.231 Test Report TA ABW Transmitter Unit Model: TA ABW 114 OLINDA DRIVE, BREA, CALIFORNIA 92823 PHONE: (714) 579-0500 FAX: (714) 579-1850 Page 6 of 16 2. ADMINISTRATIVE DATA 2.1 Location of Testing The EMI tests described herein were performed at the test facility of Compatible Electronics, 114 Olinda Drive, Brea, California 92823. 2.2 Traceability Statement The calibration certificates of all test equipment used during the test are on file at the location of the test. The calibration is traceable to the National Institute of Standards and Technology (NIST) . 2.3 Cognizant Personnel SJE Rhombus Dan Muzzey Design Engineer Compatible Electronics, Inc. Kyle Fuj…

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Test Report

Ref Lvl 92 dB  V Ref Lvl 92 dB  V RF Att 0 dB A Unit dB  V P0 RBW 1 MHz VBW 1 MHz I2D SWT 20 ms Center 418 MHz2 ms/ 1VIEW1AP 0 10 20 30 40 50 60 70 80 -8 92 1 1 Delta 1 [T1] 15.57 dB 641.282565  s 1 [T1] 14.94 dB  V 2.164329 ms 1 [T1] 15.57 dB 641.282565  s D1 54 dB  V T2 → T1 Date: 3.DEC.2004 22:29:37 Time of one of the3rd largest pulse = 641.282565 uS Ref Lvl 92 dB  V Ref Lvl 92 dB  V RF Att 0 dB A Unit dB  V P0 RBW 1 MHz VBW 1 MHz I2D SWT 20 ms Center 418 MHz2 ms/ 1VIEW1AP 0 10 20 30 40 50 60 70 80 -8 92 1 1 Delta 1 [T1] -4.32 dB 1.242485 ms 1 [T1] 28.43 dB  V 4.569138 ms 1 [T1] -4.32 dB 1.242485 ms D1 54 dB  V T2 → T1 Date: 3.DEC.2004 22:30:08 Time of the Largest Pulse = 1.242485 mS Ref Lvl 92 dB  V Ref Lvl 92 dB  V RF Att 0 dB A Unit dB  V P0 RBW 1 MHz VBW 1 MHz I2D SWT 20 ms Center 418 MHz2 ms/ 1VIEW1AP 0 10 20 30 40 50 60 70 80 -8 92 1 1 Delta 1 [T1] -15.00 dB 440.881764  s 1 [T1] 36.56 dB  V 6.573146 ms 1 [T1] -15.00 dB 440.881764  s D1 54 dB  V T2 → T1 Date: 3.DEC.2004 22:30:47 Time of the Smallest Pulse = 440.881764 uS Ref Lvl 92 dB  V Ref Lvl 92 dB  V RF Att 0 dB A Unit dB  V P0 RBW 1 MHz VBW 1 MHz I2D SWT 20 ms Center 418 MHz2 ms/ 1VIEW1AP 0 10 20 30 40 50 60 70 80 -8 92 1 1 Delta 1 [T1] -27.57 dB 841.683367  s 1 [T1] 43.27 dB  V 7.374749 ms 1 [T1] -27.57 dB 841.683367  s D1 54 dB  V T2 → T1 Date: 3.DEC.2004 22:35:14 Time of the 2 nd Largest Pulse = 841.683367 uS Ref Lvl 92 dB  V Ref Lvl 92 dB  V RBW 100 kHz VBW 1 MHz RF Att 0 dB A I2D Unit dB  V P0 SWT 110 ms Center 418 MHz11 ms/ 1VIEW1AP 0 10 20 30 40 50 60 70 80 -8 92 12 1 2 Delta 1 [T1] -1.58 dB 15.871743 ms 2 [T1] 10.72 dB  V 4.188377 ms 1 [T1] -1.58 dB 15.871743 ms 1 [T1] 10.72 dB  V 4.188377 ms 2 [T1] 0.29 dB 99.859719 ms D1 54 dB  V T1 T2 Date: 3.DEC.2004 22:24:56 Plot showing the pulse does not repeat again before 100 mS Ref Lvl 92 dB  V Ref Lvl 92 dB  V RF Att 0 dB A Unit dB  V P0 RBW 1 MHz VBW 1 MHz I2D SWT 20 ms Center 418 MHz2 ms/ 1VIEW1AP 0 10 20 30 40 50 60 70 80 -8 92 1 1 Delta 1 [T1] -0.83 dB 15.611222 ms 1 [T1] 14.94 dB  V 2.184369 ms 1 [T1] -0.83 dB 15.611222 ms D1 54 dB  V T2 → T1 Date: 3.DEC.2004 22:28:38 Number of Small Pulses = 2 * 440.881764 uS = 0.881763528 mS Number of 3 rd Largest Pulses = 2 * 641.282565 uS = 1.28256513 mS Number of 2 nd largest Pulses = 8 * 841.683367 uS = 6.733466936 mS 1 Largest Pulse = 1 * 1.242485 = 1.242485 mS Total time on = 10.140280594 mS Total Pulse Width with Blanking Interval (up to 100 mS) = 100 mS Duty Cycle = 10.140280594 / 100 mS = 10.140280594%