Onset HOBO U14 Page 21 User Manual Download | Manualshive

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Onset Computer Corporation

HOBO U14

19

User’s Guide

HOBO U14 with Onset’s ARA Remote Alarm and AVD-45 Automatic Dialer

NOTE

: The polarity must be as shown.

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Summary of Contents for HOBO U14

Page 1: ......

Page 2: ...s Mailing Address P O Box 3450 Pocasset MA 02559 3450 Phone 1 800 LOGGERS 1 800 564 4377 or 508 759 9500 Fax 508 759 9100 Hours of Operation 8 AM to 5 PM ET Monday through Friday E mail loggerhelp ons...

Page 3: ...he HOBO U14 7 Procedure 7 Configuring Alarms 8 Reading Out the HOBO U14 10 Chapter Three Maintenance 11 Replacing the Internal RH Sensor 11 Replacing Batteries 11 Chapter Four Reference 12 HOBO U14 Sp...

Page 4: ...conditions in manufacturing processing and storage environments where reliable monitoring and documentation of specific temp RH conditions are critical The HOBO U14 is available in two versions 001 In...

Page 5: ...Dialer Direct USB interface for launching and data readout using HOBOware Sample logging interval can be set from one second to 18 hours Supports Onset s Data Assistants available with HOBOware softwa...

Page 6: ...r Port Model 002 Only Connect supported Smart Sensor here Back Mounting Holes Use mounting screws 2 5 cm 1 inch apart to mount the U14 to a wall Battery Compartment The HOBO U14 requires three AAA bat...

Page 7: ...m Onset or an Onset Authorized Dealer See Replacing the Internal RH Sensor on page 11 Relay Terminal The HOBO U14 is compatible with Onset s Remote Alarm part number ARA and Automatic Dialer part numb...

Page 8: ...Default Unit System Relative Humidity RH Reading Internal sensor has a measurement range of 0 to 100 Alarm Icon ALERT indicator signals when temperature or relative humidity limits have been exceeded...

Page 9: ...7 Configure Alarms page 8 8 Click on the Launch button to launch the HOBO U14 NOTE If you remove the external sensor 002 model after logging starts you will need to relaunch the logger if you reconne...

Page 10: ...nsor alarm select the desired sensor in the Channel box and then select the check box for the High Alarm and or the Low Alarm Enter a value to define the alarm threshold You can enter a value in the b...

Page 11: ...alarm limit of 32 F for a freezer application and then launching the logger in a room at room temperature will cause an immediate alarm trigger In this situation enable a Delayed Launch or select a nu...

Page 12: ...HOBO U14 from the Select Device window 6 From the main menu click the Readout icon or select Device Readout from the main menu 7 If the logger is currently logging you can choose to continue logging w...

Page 13: ...power to the sensor 3 Carefully remove the board and turn it over so the LCD is facing up The RH sensor is located on the upper left side of the board adjacent to the LCD 4 Gently grasp the sensor an...

Page 14: ...il LCD Size 33 x 50 8 mm 1 3 x 2 inches Displays temperature and relative humidity simultaneously Displays C or F selectable within host software Displays memory remaining and battery level Displays f...

Page 15: ...aximum of 3 5 see Plot B Resolution 0 03 RH 25 C 77 F Response time 2 minutes to 90 in airflow of 1 m sec Accuracy Drift 2 over 5 years typical Hysteresis 1 Typical External Sensors For External Senso...

Page 16: ...difference between adjacent temperature steps that the logger can report The logger will typically experience little or no accuracy drift unless the electronic components or temperature sensor are dam...

Page 17: ...aced Condensation 100 RH 100 RH is displayed if a temperature RH sensor is connected and is covered with condensation The sensor will not provide accurate readings until it has dried out Unread Data I...

Page 18: ...gger the logger will record values of 888 88 C 888 88 F for temperature and 0 RH No External Sensor If the U14 002 logger is launched and no external sensor has been connected the display will show da...

Page 19: ...product s user manual for complete details The interconnect wire range is 22AWG to 14AWG Steps To connect a Remote Alarm or Automatic Dialer to the HOBO U14 1 Remove the battery door 2 Loosen the two...

Page 20: ...lerts If the alert output is connected to a remote alarm configured for Normally Closed inputs you can avoid false alarms when the logger is disconnected by making a temporary connection between the w...

Page 21: ...Onset Computer Corporation HOBO U14 19 User s Guide HOBO U14 with Onset s ARA Remote Alarm and AVD 45 Automatic Dialer NOTE The polarity must be as shown...

Page 22: ...Onset Computer Corporation HOBO U14 20 User s Guide Onset Computer Corp P O Box 3450 Pocasset MA 02559 3450...

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