HOBO U9 State Data Logger - U9-001

Qty.	1-9	10-99	100+
$US	$85	$79	$72

2 to 4 week lead time

Printable Data Sheet

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This product's recommended upgrade:
UX90-001 - Compare

Overview
Required Items
Sensors
Parts & Accessories

Overview

Description & Features

Detailed Specifications

Documentation

FAQs

The HOBO U9 State Data Logger monitors state changes using an internal magnetic reed switch for monitoring contact closures or current flow of remote devices or presence of positive DC voltages up to 15V.

Features:

Internal magnetic reed switch
External sensor cable included (CABLE-2.5-STEREO)
Records up to 43,000 state changes
Optional AC Current Switch (CSV-A8) to measure Motor on/off
Includes mounting kit with magnet, hook and loop tape, 3/8" double-sided

Environment:

The U9-001 Data Logger is for use in Indoor environments

Measurements:

The U9-001 Data Logger supports the following measurements : Motor On/Off, State Open/Closed

State Channel: External contact input: Passive relay switch or contact closure - minimum duration 1 second (open > 300 KΩ or closed < 15 KΩ)

Max total cable run: 38 m (125 ft)

Time accuracy: Approximately ± 1 minute per month at 25°C (77°F); see Plot A

Operating temperature: Logging: -20° to 70°C (-4° to 158°F)

Launch/readout: 0° to 50°C (32° to 122°F), per USB specification

Humidity range: 0 to 95% RH, non-condensing

Battery life: 1 year typical use

Memory: 64K bytes (up to 43,000 state changes)

Weight: 25 g (0.8 oz)

Dimensions: 45 x 60 x 20 mm (1.8 x 2.38 x 0.77 inches)

The CE Marking identifies this product as complying with all relevant directives in the European Union (EU).

U9-001

8951_A_MAN_U9_001

PDF

The light on/off data logger is recording more states than are actually occurring.

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If you are monitoring fluorescent lights, part of what you are seeing may be due to a fairly common attribute of fluorescent lights.

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What should I do if the data logger's internal board gets wet?

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If possible, remove the board from the case and the battery from the board. Dry the board completely using a hair dryer.

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I just bought a Data Logger. When I first plugged them into the USB port, a popup menu for Digital Signature concerning Microsoft asked if I wanted to continue: YES or NO. I said YES to all but one of them and now the computer won't recognize the logger.

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Open HOBOWare, plug the logger back in, then click on Start->Settings->Control Panel->System.

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Can the data be retrieved from a logger that is not communicating, or a logger that was accidentally re-launched prior to the data being downloaded?

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There are two common reasons for data loss: Relaunching a logger before the data has been saved Technical problem with the logger itself.

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I launched my data logger with "delayed start," but I noticed that logging began earlier than the time I entered. What happened?

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There is a small bug in early versions of the HOBO Water Temperature Pro data loggers that result in premature starting in some cases (when using the...

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I cannot communicate with my data logger.

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The Optic and Tidbit data loggers must be inserted into the Base Station in order for the computer to detect them; it will not detect the Base...

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My battery level seems to be going down quickly, what could be causing this?

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Check both the logging and the sampling interval to make sure they are greater than one-minute intervals.

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The datafile shows two more points than my testing did. Why?

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The first and last event on your datafile is a stamp of the start and end time.

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What is the maximum recommended source impedance?

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The maximum recommended impedance for analog sources is 2.5 K. This value is calculated based on the maximum leakage current of the input pin.

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Can the data loggers be exposed to any type of chemical or chemical vapors?

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As a general rule, no.

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How often do the data loggers need recalibration and/or servicing?

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The CO data logger should be checked, at a minimum, on a yearly basis. Proper testing requires a CO testing chamber.

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Why is my connection to the data loggers intermittent?

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For best performance, connect the USB cable directly to a port on your computer.

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What happens if my Keyspan USB server has a power interruption?

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If your Keyspan USB server has its power interrupted while you are running an alarm configuration, HOBOware will lose its connection to the data...

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How do I turn the data logger off?

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HOBO/StowAway data loggers shut off when the memory is full (unless wrap around is selected), or the data is downloaded to a computer.

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My data logger only recorded one data point, stops recording immediately after launch, or stopped recording prematurely.

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There are many situations that can cause a data logger to stop recording: 1.

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I cannot communicate with my HOBO Shuttle!

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Check to make sure that the batteries are still good. Follow the directions below for the model you have.

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How do I turn the data logger off?

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All HOBO and StowAway data loggers shut off when the memory is full (unless wrap around is selected), or the data is downloaded to a computer.

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What data loggers are supported by Real-Time Alarm Software?

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All U10 and U12 data loggers are fully compatible with the Real-Time Alarm Software.

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The batteries in my data logger died while in use. Did I lose all of my data?

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No. The data is stored on non-volatile EEPROM. For data loggers with external batteries: change batteries and offload data, then relaunch normally.

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Do I need to rename the data file on the logging PC?

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You do not need to periodically rename or delete the data file on the logging PC because the file is automatically updated (e.g., test_1.txt, .

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How does HOBOware behave when a data logger has a low battery?

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When device battery power is very low interaction with HOBOware can be intermittent. .

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The data logger is shutting off prematurely.

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A discharge of static electricity may cause a running data logger to stop recording.

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What does the CE stamp on the data logger mean?

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The CE mark identifies the product as complying with relevant directives in the European Union (EU). .

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I just placed a new battery in my data logger and it still will not connect.

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The TL-5186 lithium batteries build up an internal passive resistance over a period of non-use.

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What data loggers are supported by Real-Time Alarm Software?

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All U10 and U12 data loggers are fully compatible with the Real-Time Alarm Software.

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What is a Data Logger?

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A data logger (or datalogger), commonly referred to as a 'HOBO', is an electronic instrument that records measurements (temperature, relative...

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How do I protect my data loggers from electrical discharge (ESD)?

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A discharge of static electricity may cause a running data logger to stop recording.

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