Hobo MX1104 Manual

HOBO® MX Analog/Temp/RH/Light (MX1104) and
MX 4-Channel Analog (MX1105) Data Logger Manual
MX1105 Model Shown
HOBO MX1104 and
MX1105 Data Loggers
Models:
• Analog/Temp/RH/Light
(MX1104)
• 4-Channel Analog
(MX1105)
Included Items:
• Tie wraps
• Two AAA 1.5 V alkaline
batteries (installed)
Required Items:
• HOBOconnect app
• Mobile device with
Bluetooth and iOS,
iPadOS®, or Android™, or a
Windows computer with a
native BLE adapter or
supported BLE dongle
23968-G
The HOBO MX Analog/Temp/RH/Light (MX1104) and HOBO MX 4-Channel Analog (MX1105)
data loggers measure and transmit data wirelessly from indoor environments to a mobile
device or computer using Bluetooth® Low Energy technology. The MX1104 model has
integrated temperature, relative humidity (RH), and light intensity sensors and one analog input
while the MX1105 model has four analog inputs. Both models support a wide variety of
external sensors (sold separately), including self-describing temperature, split-core AC current
transformer, 4-20 mA input, and DC voltage input sensors. The self-describing sensors are
designed with integrated strain relief for a secure connection to the loggers and are
automatically detected by the HOBOconnect® app for easy setup. Using the app, you can
configure the loggers, read out and view data, and export the data for further analysis. The
loggers can calculate minimum, maximum, average, and standard deviation statistics and can
also be configured to trip audible or visual alarms at thresholds you specify. In addition, both
loggers support burst logging in which data is logged at a different interval when sensor
readings are above or below certain limits. These compact loggers also have built-in LCD
screens to display current sensor readings, logging status, battery use, memory consumption,
and more.
Specifications
Temperature Sensor (MX1104)
Range
Accuracy
Resolution
Drift
RH Sensor* (MX1104)
Range
Accuracy
Resolution
Drift
Response Time (MX1104)
Temperature
RH
Light Sensor (MX1104)
Range
Accuracy
Logger with SD-MA-420 or
Cable Type CABLE-4-
20mA
Measurement 0 to 20.1 mA
Range
Accuracy ±0.001 mA
±0.2% of
reading
Resolution 0.3 µA
Logger
Operating Range
Radio Power
-20° to 70°C (-4° to 158°F)
±0.20°C from 0° to 50°C (±0.36°F from 32° to 122°F)
0.002°C at 25°C (0.004°F at 77°F)
<0.1°C (0.18°F) per year
0% to 100% at -20° to 70°C (-4° to 158°F); exposure to conditions
above 95% may temporarily increase the maximum RH sensor error
by an additional 1%
±2.5% from 10% to 90% (typical) to a maximum of ±3.5% including
hysteresis at 25°C (77°F); below 10% and above 90% ±5% typical
0.01%
<1% per year typical
11 minutes in air moving 1 m/s (2.2 mph)
30 seconds to 90% in airflow of 1 m/s (2.2 mph)
2
0 to 167,731 lux (15,582 lum/ft )
±10% typical for direct sunlight (see Light Measurement on page 4 for
more details)
SD-VOLT-2.5 SD-VOLT-05
or CABLE-2.5- or CABLE-
STEREO ADAP5
0 to 2.5 V 0 to 5.0 V
±0.1 mV ±0.2 mV
±0.1% of ±0.3% of
reading reading
40 µV 80 µV
-20° to 70°C (-4° to 158°F)
1 mW (0 dBm)
SD-VOLT-10 SD-VOLT-24
or CABLE- or CABLE-
ADAP10 ADAP24
0 to 10 V 0 to 24 V
±0.4 mV ±1.0 mV
±0.3% of ±0.3% of
reading reading
160 µV 384 µV