WXF-ONST10HOBO TidbiT MX Loggers

HOBO® TidbiT® MX Temp 400 (MX2203) and Temp 5000 (MX2204) Logger Manua l 21537-B HOBO TidbiT MX Temp loggers measure temperature in streams, lakes, oceans, coastal habitats, and soil environments. Housed in a protective boot, these rugged loggers are designed for extended deployments in fresh or salt water at depths up to 400 ft (MX2203) or 5,000 ft (MX2204). The loggers use Bluetooth® Low Energy for wireless communication with a mobile device and are equipped with an optional water detection feature that automatically turns Bluetooth advertising off when the logger is submerged in water, thereby preserving battery power. Using the HOBOmobile® app, you can easily configure the loggers, download logged data to your phone or tablet, or automatically upload the data to HOBOlink® for further analysis. You can also configure the loggers to calculate statistics, set up alarms to trip at specific thresholds, or enable burst logging in which data is logged at a faster interval when sensor readings are above or below certain limits. Specifications Temperature Sensor Range MX2203: -20° to 70°C (-4° to 158°F) in air; -20° to 50°C (-4° to 122°F) in water MX2204: -20° to 70°C (-4° to 158°F) in air; -20° to 50°C (-4° to 122°F) in water, maximum sustained temperature in water 30°C (86°F) Accuracy ±0.25°C from -20° to 0°C (±.45°F from -4° to 32°F) ±0.2°C from 0° to 70°C (±0.36°F from 32° to 158°F) Resolution 0.01°C (0.018°F) Drift <0.1°C (0.18°F) per year Response Time MX2203: 17 minutes typical to 90% in air moving 1 m/s, unmounted; 7 minutes typical to 90% in stirred water, unmounted MX2204: 15 minutes typical to 90% in air moving 1 m/s, unmounted; 4 minutes typical to 90% in stirred water, unmounted Logger Logger Operating Range -20° to 70°C (-4° to 158°F) Buoyancy (Fresh Water) MX2203: 3.1 g (0.11 oz) negative MX2204: 7.6 g (0.27 oz) negative Waterproof MX2203: To 122 m (400 ft) MX2204: To 1,524 m (5,000 ft) Water Detection Water conductivity level of 100 μS/cm or greater necessary for reliable detection of water. Deionized water or water below 100 μS/cm may not be detected. The water conductivity circuit may not reliably detect water that has frozen around the electrodes, i.e. below 0°C (32°F). Radio Power 1 mW (0 dBm) Transmission Range Approximately 30.5 m (100 ft) line-of-sight Wireless Data Standard Bluetooth Low Energy (Bluetooth Smart) Logging Rate 1 second to 18 hours Time Accuracy ±1 minute per month at 25°C (77°F) Battery CR2477 3V lithium, user replaceable in MX2203, non-replaceable in MX2204 Battery Life 3 years, typical at 25°C (77°F) with logging interval of 1 minute and Bluetooth Always Off disabled in software. 5 years, typical at 25°C (77°F) with logging interval of 1 minute and Bluetooth Always Off or Bluetooth Off Water Detect enabled in software. Faster logging intervals and statistics sampling intervals, burst logging, remaining connected with the app, excessive downloads, and paging may impact battery life. To ensure proper battery installation, see Battery Information for detailed instructions on replacing the battery in the MX2203 logger. Memory 96,000 measurements HOBO TidbiT MX Temp Logger Models: • MX Temp 400 (MX2203) • MX Temp 5000 (MX2204) Items included: • Protective boot Required Items: • HOBOmobile app • Device with iOS or Android™ and Bluetooth Accessories: • Solar radiation shield (RS1 or M-RSA) for MX2203 • Mounting bracket for solar radiation shield (MX2200-RS-BRACKET), for use with MX2203 models • Replacement O-rings (MX2203-ORING) for MX2203 • Replacement boots for both models in gray (BOOT-MX220x-GR), black (BOOT-MX220x- BK), or white (BOOT- MX220x-WH) MX2203 Model Shown HOBO TidbiT MX Temp 400 (MX2203) and Temp 5000 (MX2203) Logger Manual 1-800-LOGGERS 2 www.onsetcomp.com Specifications (continued) Full Memory Download Time Approximately 45 seconds; may take longer the farther the device is from the logger Wetted Materials MX2203: Polypropylene case, EPDM O-ring, stainless steel screws, Santoprene® (TPE) boot MX2204: Epoxy case, Santoprene (TPE) boot Dimensions MX2203: 4.45 x 7.32 x 3.58 cm (1.75 x 2.88 x 1.41 inches) MX2204: 4.06 x 6.99 x 3.51 cm (1.6 x 2.75 x 1.38 inches) Weight MX2203: 36.2 g (1.28 oz) MX2204: 32.8 g (1.16 oz) The CE Marking identifies this product as complying with all relevant directives in the European Union (EU). See last page Logger Components and Operation MX2204 MX2203 Protective Boot: This waterproof cover protects the logger during deployment. It has two mounting tabs and a built-in magnet to use with the logger’s internal reed switch (see Deploying and Mounting the Logger). Magnetic Start Button: This button is functional when the logger is inside the protective boot. Press this button for 3 seconds to start or stop the logger when it is configured to start or stop “On Button Push” (see Configuring the Logger). Press this button for 1 second to wake up the logger (if configured with Bluetooth Always Off as described in Configuring the Logger). You may need to press the button a second time to wake up the logger if it is logging every 5 seconds or faster and the temperature is -10°C (14°F) or below. Mounting Tab: Use the tabs at the top and bottom of the logger to mount it (see Deploying and Mounting the Logger). Reed Switch: The logger has an internal reed switch represented by the dotted rectangle on the logger. The reed switch is used in conjunction with the magnetic button in the protective boot. When the logger is removed from the boot, a magnet placed over the reed switch can substitute for the built- in button (see Deploying and Mounting the Logger). Water Detection Screws: These two screws can detect the presence of water. This allows you to configure the logger in power-saving mode in which Bluetooth advertising is active only when the logger is removed from water. See Configuring the Logger for details. Note: The logger will check for the presence of water every 15 seconds when the Bluetooth Off Water Detect power-saving…

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FCC ID: WXF-ONST4 IC: 7936A-ONST4 MX2203 FCC ID: WXF-ONST4 IC: 7936A-ONST4 FCC ID: WXF-ONST4 IC: 7936A-ONST4 FCC ID: WXF-ONST4 IC: 7936A-ONST4 MX2204 FCC ID: WXF-ONST4 IC: 7936A-ONST4 FCC ID: WXF-ONST4 IC: 7936A-ONST4 FCC ID: WXF-ONST4 IC: 7936A-ONST4 FCC ID: WXF-ONST4 IC: 7936A-ONST4

Document# 21679 Per ECO # 25259 Rev. D FCC ID: WXF-ONST10 IC: 7936A-ONST10 Assembled in USA Issued: 7/28/20 R 020-180017 MSIP-CRM-0C3-MX2203

FCC ID: WXF-ONST4 IC: 7936A-ONST4 MX2203 Label Location

FCC ID: WXF-ONST4 IC: 7936A-ONST4 MX2203 FCC ID: WXF-ONST4 IC: 7936A-ONST4 FCC ID: WXF-ONST4 IC: 7936A-ONST4 MX2204 FCC ID: WXF-ONST4 IC: 7936A-ONST4

FCC ID: WXF-ONST10 Model: MX2203, MX2204 Prediction of MPE limit at a given distance Equation from page 18 of OET Bulletin 65, Edition 97-01 where: S = power density P = power input to the antenna G = power gain of the antenna in the direction of interest relative to an isotropic radiator R = distance to the center of radiation of the antenna Maximum peak output power at the antenna terminal: 0.67 (dBm) Maximum peak output power at the antenna terminal: 1.166809617 (mW) Antenna gain(typical): 1.3 (dBi) Maximum antenna gain: 1.348962883 (numeric) Prediction distance: 20 (cm) Prediction frequency: 2450 (MHz) MPE limit for uncontrolled exposure at prediction frequency: 1 (mW/cm^2) Power density at prediction frequency: 0.000313 (mW/cm^2) Therefore device complies with FCC RF radiation exposure limits for general population in mobile exposure category (distance > 20cm) 2 4 R PG S p =

Bureau Veritas Consumer Products Serv ices, Inc. is accredited by the American Association f or Laboratory Accreditation f or the specif ic scope of accreditation under Certif icate Number 1627-01. This report may contain data which is not cov ered by the A2LA accreditation. ____________________________________________________________ Bureau Veritas Consumer Products Services, Inc. One Distribution Center Circle, #1  Littleton, MA  TEL (978) 486-8880  FAX (978) 486-8828 page 1 of 36 Test Report Bureau Veritas Consumer Products Services, Inc. Report No ER2107-4 Issue 2 Client Onset Computer Corporation Jim Corrigan Address 470 MacArthur Blvd. Bourne, MA 02532 Phone 508-743-3195 Items tested MX2203/4 FCC ID WXF-ONST10 IC ID 7936A-ONST10 FRN 0009380064 Equipment Type Digital Transmission System Equipment Code DTS FCC/IC Rule Parts CFR Title 47 FCC Part 15.247, ISED Canada RSS-247 Issue 2 Test Dates July 12 to 19, 2017 Results As detailed within this report Prepared by Tuyen Truong – Test Engineer Authorized by Anna Vancheva - EMC Engineer Issue Date 8/10/2020 Conditions of Issue This Test Report is issued subject to the conditions stated in the ‘Conditions of Testing’ section on page 35 of this report. Test Report for Onset Computer Corporation  Report No. ER2107-4 Issue 2 August 17, 2020 ______________________________________________________________________ ____________________________________________________________ Bureau Veritas Consumer Products Services, Inc. One Distribution Center Circle, #1  Littleton, MA  TEL (978) 486-8880  FAX (978) 486-8828 page 2 of 36 Contents Contents .......................................................................................................................................2 Summary ......................................................................................................................................3 Test Methodology.........................................................................................................................4 Product Tested - Configuration Documentation ..........................................................................5 Statement of Conformity ..............................................................................................................6 Modifications Required for Compliance .......................................................................................6 Test Results .................................................................................................................................7 Bandwidth .................................................................................................................................7 Peak Output Power.................................................................................................................10 Radiated Spurious Emissions ................................................................................................13 Duty Cycle Correction Factor .................................................................................................21 Conducted Spurious Emissions .............................................................................................23 Power Spectral Density ..........................................................................................................28 Occupied Bandwidth...............................................................................................................31 Measurement Uncertainty ..........................................................................................................34 Conditions of Testing .................................................................................................................35 Form Final Report REV 12-07-15 Test Report for Onset Computer Corporation  Report No. ER2107-4 Issue 2 August 17, 2020 ______________________________________________________________________ _____________________________________________________________ Bureau Veritas Consumer Products Services, Inc. One Distribution Center Circle, #1  Littleton, MA  TEL (978) 486-8880  FAX (978) 486-8828 page 3 of 36 Summary This test report supports an application for certification of a transmitter operating pursuant to: CFR Title 47 FCC Part 15.247, ISED Canada RSS-247 Issue 2 “MX2203/4” is a Bluetooth Low Energy transmitter operating in the 2402 MHz to 2480 MHz frequency range. Antenna Type: Internal surface mount chip Gain: 1.3dBi We found that the product met the above requirements without modification. Test samples were received in good condition. Data tables may contain Curtis-Straus LLC. Curtis-Straus LLC. a wholly owned subsidiary of Bureau Veritas was merged into its parent company in 2019. Issue No. Reason f or change Date Issued 1 Original release 7/29/2020 2 Updating Standard revisions 8/10/2020 Test Report for Onset Computer Corporation  Report No. ER2107-4 Issue 2 August 17, 2020 ______________________________________________________________________ _____________________________________________________________ Bureau Veritas Consumer Products Services, Inc. One Distribution Center Circle, #1  Littleton, MA  TEL (978) 486-8880  FAX (978) 486-8828 page 4 of 36 Test M ethodology All testing was performed according to the following rules/procedures/documents; CFR 47 FCC Part 15.247, RSS-247 Issue 2, RSS-Gen Issue 5, FCC KDB 558074 D01 DTS Measurement Guidance v05r02 and ANSI C63.10-2013. Radiated emissions were maximized by rotating the device around 3 orthogonal planes (X, Y and Z) as well as varying the test antenna’s height and polarity. The device antenna could not be maximized separately. RF measurements were performed at the antenna port. Three channels were tested as follows:  Low Channel - 2402MHz  Mid Channel - 2440MHz  High Channel - 2480MHz EUT operating voltage is 3VDC from battery. The following bandwidths were used during radiated spurious emissions testing. Frequency RBW VBW 0.15-30MHz 9kH…

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FCC ID: WXF-ONST10 IC: 7936A-ONST10 FCC ID: WXF-ONST10 IC: 7936A-ONST10 FCC ID: WXF-ONST10 IC: 7936A-ONST10

FCC ID: WXF-ONST10 IC: 7936A-ONST10 30-1000MHz FCC ID: WXF-ONST10 IC: 7936A-ONST10 1-6GHz FCC ID: WXF-ONST10 IC: 7936A-ONST10 6-18GHz