HOBO Temperature/Relative Humidity 3.5% Data Logger

Data Logger

Temperature/Relative Humidity 3.5% Data Logger

With integrated sensors to measure and record temperature and relative humidity (within 3.5% accuracy) in indoor environments.

HOBO Temperature/Relative Humidity 3.5% Data Logger

Overview

This logger is ideal for monitoring occupant comfort in office buildings, tracking food storage conditions in warehouses, logging temperature trends in server rooms, and measuring humidity levels in museums.

HOBO Temperature/Relative Humidity 3.5% Data Logger

Features

Easy-to-view LCD display
Large memory capacity
Visual high & low alarm thresholds
Burst and Statistics logging modes
User-replaceable Relative Humidity sensor
Compatible with HOBOware and HOBOware Pro software for logger setup and graphing & analysis

HOBO Temperature/Relative Humidity 3.5% Data Logger

Specifications

Temperature Sensor

Range

-20° to 70°C
-4° to 158°F

Accuracy

±0.21°C from 0° to 50°C , see manual for plot
±0.38°F from 32° to 122°F , see manual for plot

Resolution

0.024°C at 25°C , see manual for plot

0.04°F at 77°F , see manual for plot

Response Time

4 minutes in air moving 1 m/s (2.2 mph)

Drift

<0.1°C per year
0.18°F per year

RH Sensor

Range

15% to 95% (non-condensing)

Accuracy

±3.5% from 25% to 85% including hysteresis at 25°C (77°F); below 25% and above 85% ±5% typical

Resolution

0.07% at 25°C (77°F) and 30% RH

Response Time

43 seconds to 90% in airflow of 1 m/s (2.2 mph)

Drift

<1% per year typical

Logger

Logger Operating Range

Logging: -20° to 70°C (-4° to 158°F); 0 to 95% RH (non-condensing)

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

Logging Rate

1 second to 18 hours, 12 minutes, 15 seconds

Logging Modes

Fixed interval (normal), burst, or statistics

Memory Modes

Wrap when full or stop when full

Start Modes

Immediate, push button, date & time, or next interval

Stop Modes

When memory full, push button, or date & time

Restart Mode

Push button

Time Accuracy

±1 minute per month at 25°C (77°F)

Power Source

One 3V CR2032 lithium battery and USB cable

Battery Life

1 year, typical with logging rate of 1 minute and sampling interval of 15 seconds or greater

Memory

128 KB (84,650 measurements, maximum)

Download Type

USB 2.0 interface

Full Memory Download Time

20 seconds

LCD

LCD is visible from 0° to 50°C (32° to 122°F); the LCD may react slowly or go blank in temperatures outside this range

Size

3.66 x 8.48 x 1.52 cm
1.44 x 3.34 x 0.6 in.

Weight

30 g
1.06 oz

Environmental Rating

IP50

HOBO Temperature/Relative Humidity 3.5% Data Logger

For more information, contact us.

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Features

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