Temp/RH - H08-003-02

Qty.	1-9	10-99	100+
$US	$139	$129	$118

This product's recommended upgrade:
U10-003 - Compare
or
U12-011 - Compare

Overview
Required Items
Parts & Accessories

Overview

Description & Features

Detailed Specifications

Documentation

FAQs

A two-channel logger with internal temperature and user-replaceable RH sensors which can record up to 7943 measurements.

Features:

8-bit resolution
Programmable start date/time
Programmable sampling rate (0.5 second to 9 hours)
Memory modes: Stop when full or wrap-around when full
User-replaceable battery lasts 1 year (typical)
Battery level indication at launch
Blinking LED confirms operation
Non-volatile memory retains data even if battery fails
NIST-Traceable temperature accuracy certification available
Compliance certificate available

Environment:

The H08-003-02 Data Logger is for use in Indoor environments

Measurements:

The H08-003-02 Data Logger supports the following measurements : Relative Humidity, Temperature

CE Compliance

Onset products have been CE compliant for many years. Recently the European Union changed the CE regulations, effective July 20, forcing Onset to either change the circuitry in some products, or choose to no longer list them as CE compliant. In most cases we offer CE compliant alternative products.

Rest assured Onset has placed a high priority on making all current products CE compliant before year-end. If you are not shipping this item to a EU country after July 20, please disregard this message.

This product is not CE compliant. If you are shipping to a EU country, Onset recommends using CE compliant part # U12-011

Time Accuracy Plot Operating range (logger): -20°C to +70°C (-4°F to +158°F), 25 - 95% RH non-condensing

Time accuracy: approx. ±1 minute per week (±100 ppm at +20°C or +68°F),
full dependance shown in Plot A

Measurement capacity: 7944 measurements total, stored in non-volatile memory

Size: 2.4" x 1.9" x 0.8"

Weight: approximately 1 oz.

Battery: CR-2032 (lithium) user-replaceable

Battery life (continuous use): 1 year

Storage temperature: -40°C to +75°C (-40°F to +167°F)

H08-001-02
H08-002-02
H08-003-02
H08-004-02
H08-007-02

2016-H-MAN-HO8

PDF

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

[show/hide]

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

View Full FAQ
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.

[show/hide]

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

View Full FAQ
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?

[show/hide]

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

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

[show/hide]

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...

View Full FAQ
The graph shows a random spike in the recorded data. What may have caused this?

[show/hide]

Spikes in the data file may be caused by rapid pressure changes or thermal shock (quick temperature changes). .

View Full FAQ
Can I use Onset data loggers if I have USB ports in my PC and no serial port?

[show/hide]

Onset offers a USB Serial Adapter which provides a simple way to connect HOBO and StowAway® data loggers to available USB ports on your PC.

View Full FAQ
I cannot communicate with my data logger.

[show/hide]

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...

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

[show/hide]

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

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

[show/hide]

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

View Full FAQ
What is the maximum recommended source impedance?

[show/hide]

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.

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

[show/hide]

As a general rule, no.

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

[show/hide]

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

View Full FAQ
What is the pin out for the 2.5 stereo input cable?

[show/hide]

Black (inner, end of 2.5mm jack near cable): is 0 volts White (outer, tip of 2.5mm jack): is the voltage input Red (middle): is the 2.

View Full FAQ
What is the polarity of the 2.5 stereo input cable for voltage?

[show/hide]

Black = Ground White = Input Red = Switched .

View Full FAQ
Why is my connection to the data loggers intermittent?

[show/hide]

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

View Full FAQ
How do I turn the data logger off?

[show/hide]

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

View Full FAQ
How do i do a Quick Accuracy Check

[show/hide]

We receive many calls requesting information on how to calibrate our data loggers.

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

[show/hide]

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

View Full FAQ
I cannot communicate with my HOBO Shuttle!

[show/hide]

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

View Full FAQ
What input does the external channel on the data logger accept?

[show/hide]

The external channels in the data logger accept the following Onset input cables: 0-2.5 volt DC or 4-20 mA, CT, temperature, and Telaire CO2 sensors.

View Full FAQ
When I go into the launch screen the description field is full of DDDDDDs.

[show/hide]

If a data logger is disconnected immediately after selecting launch (or start), the information that is stored on the data logger's header may...

View Full FAQ
How do I turn the data logger off?

[show/hide]

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.

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

[show/hide]

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

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

[show/hide]

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

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

[show/hide]

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, .

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

[show/hide]

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

View Full FAQ
What is the precision of the H8 data loggers?

[show/hide]

The H8 series data loggers measure analog voltages with an 8-bit A/D convertor, therefore any sensor's input will have not more than its range...

View Full FAQ
Battery Installation: H01, H6, H8, H12, H08-07-IS*, H12-002-IS*

[show/hide]

To change the battery, open the case as shown in Diagram A.

View Full FAQ
The data logger is shutting off prematurely.

[show/hide]

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

View Full FAQ
What does the CE stamp on the data logger mean?

[show/hide]

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

View Full FAQ
What are the advantages of the U12 data loggers over the H8 data loggers?

[show/hide]

Critereon U12 H8 Resolution 12-bit 8-bit Memory 43K 8K Accuracy ± 1 minute a month ± 1 minute a week Extras push button start (except...

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

[show/hide]

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

View Full FAQ
What is a Data Logger?

[show/hide]

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

View Full FAQ