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HOBO

Pendant G

Acceleration Data Logger

(Part # UA-004-64)

Part #: MAN-UA-004, Doc #: 10872-A

Inside this package:

• HOBO Pendant G Acceleration Data

Logger

• Mounting bracket and screw

Doc # 10872-A, MAN-UA-004

Onset Computer Corporation

Thank you for purchasing a HOBO data logger. With proper care, it will

give you years of accurate and reliable measurements.

The HOBO Pendant G Acceleration Data Logger is a waterproof,

three-channel logger with 8-bit resolution and can record up to

approximately 21,800 combined x-, y-, and z-axis acceleration readings or

internal logger events. The logger uses a coupler and optical base station

with USB interface for launching and data readout by a computer.

The logger can be used for a wide variety of experiments, demonstrations

and field studies by measuring dynamic acceleration resulting from motion,

shock or vibration. It can also detect static acceleration of gravity, making

it possible to measure tilt, activity, and inclination.

The logger uses an internal three-axis accelerometer with a range of

± 3 g

based on micro-machined silicon sensors consisting of beams that deflect

with acceleration. These beams are arranged to act as a variable capacitor.

As the beams move, the capacitance changes proportionately. This

capacitance change is converted to voltage, filtered and measured by the

logger, and displayed in the software in units of g-force.

A base station, coupler, and HOBOware

software are required for logger

operation. Visit www.onsetcomp.com for compatibility information.

Specifications

Measurement

range

± 3 g; 29.4 m/s² (96.5 ft/s²)

Accuracy

± 0.075 g; 0.735 m/s² (2.41 ft/s²) at 25°C (77°F)

± 0.105 g; 1.03 m/s² (3.38 ft/s²) from -20°C to 70°C (-4°F to

158°F)

Resolution 0.025 g; 0.245 m/s² (0.8 ft/s²)

Logging

interval

1 second to 18 hours, 12minutes, 15 seconds in Normal mode

0.01 seconds (100 Hz) to 0.99 seconds (1.01 Hz) in Fast mode

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

Operating

range

In water/ice: -20° to 50°C (-4° to 122°F)

In air: -20° to 70°C (-4° to 158°F)

Water depth

rating

30 m from -20° to 20°C (100 ft from -4° to 68°F), see Plot B

Battery life

1 year typical use in Normal mode;

7 days logging at 0.01 seconds (100 Hz) in Fast mode

Memory

64K bytes (approximately 21.8K combined x-, y-, and z-axis

readings or events)

Materials Polypropylene case; stainless steel screws; Buna-N o-ring

Weight 18 g (0.6 oz)

Dimensions 58 x 33 x 23 mm (2.3 x 1.3 x 0.9 inches)

The CE Marking identifies this product as complying with the

relevant directives in the European Union (EU).

-125

-100

-75

-50

-25

-20 0 20 40 60

Temperature (°C)

Timebase Error (ppm)

Plot A

-20 0 20 40 60

Temperature (°C)

Depth (m)

Waterproof

range

Plot B

1 2 3 4

Résumé du contenu

Page 1 - -UA-004

Page 2 - Sample and event logging

HOBO Pendant G Acceleration Data Logger 2 Connecting the logger The HOBO Pendant G logger requires HOBOware Pro or HOBOware Lite, and either of the fo

Page 3 - Battery

HOBO Pendant G Acceleration Data Logger 3 Operation A light (LED) on the front of the logger confirms logger operation. The following table explains w

Page 4

HOBO Pendant G Acceleration Data Logger 4 7. Replace the end cap, ensuring that the desiccant pack is tucked into the cap, and the o-ring is seated i

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Hobo International UA-004-64 Manuel d'utilisateur

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