Part Number - MX2201
HOBO Pendant MX Water Temperature Data Logger
Bluetooth Wireless-enabled logger with mounting boot
Important Information
Requires a compatible mobile device or Windows computer and the HOBOconnect app. System requirements for the app can be found at bottom of the HOBOconnect software page.
Compatible with
Overview
A waterproof logger that uses the power of Bluetooth to deliver accurate temperature measurements straight to your mobile device or Windows computer running Onset's free HOBOconnect app. Designed for durability, this compact logger is ideal for measuring temperature in streams, lakes, oceans, and soil environments. Data collection in the field has never been easier!
Add the MX Gateway for remote access to your data in Onset's cloud-based HOBOlink software (indoor deployments).
Mounting Requirements: It is very important that the logger housing does not get distorted when mounted. When mounting these loggers to any non-flat surface, such as rebar or buoy lines, we recommend using the included Mounting Boot (BOOT-MX2201-2202)—also useful for mounting loggers so they can be easily removed for service. Additional mounting boots can be purchased as desired.
Features
- Convenient wireless setup and download via Bluetooth
- Mounting boot included
- Large memory stores 96,000 measurements
- Waterproof to 30 meters (100 feet)
- User-replaceable battery
- Mounting tabs for fast, easy deployment
- LED alarm notifies you when temperature exceeds set threshold
- Works with Onset’s free HOBOconnect app
- ±0.5°C (±0.9°F) accuracy
Specifications
Temperature Sensor (MX2201 and MX2202)
- Range
-
-20° to 70°C in air-4° to 158°F in air-20° to 50°C in water-4° to 122°F in water
- Accuracy
-
±0.5°C from -20° to 70°C±0.9°F from -4° to 158°F
- Resolution
-
0.04°C0.072°F
- Drift
-
<0.1°C per year<0.18°F per year
- Response Time
-
17 minutes typical to 90% in air moving 1 m/s, unmounted7 minutes typical to 90% in stirred water, unmounted
Light Sensor (MX2202)
- Range
-
0 to 167,731 lux0 to 15,582 lum/ft2
- Accuracy
-
±10% typical for direct sunlight (see Light Measurement on page 2 for more details)
Logger
- Logger Operating Range
-
-20° to 70°C in air-4° to 158°F in air
- Buoyancy (Fresh Water)
-
2 g positive0.07 oz positive
- Waterproof
-
To 30.5 mTo 100 ft
- Radio Power
-
1 mW0 dBm
- Transmission Range
-
Approximately 30.5 m line-of-sightApproximately 100 ft line-of-sight
- Wireless Data Standard
-
Bluetooth Low Energy (Bluetooth Smart)
- Logging Rate
-
1 second to 18 hours
- Time Accuracy
-
±1 minute per month at 25°C±1 minute per month at 77°F
- Battery
-
CR2032 3V lithium, user replaceable
- Battery Life
-
1 year typical at 25°C (77°F) with logging interval of 1 minute and Bluetooth Always On enabled in software.2 years typical at 25°C (77°F) with logging interval of 1 minute and Bluetooth Always On disabled in software.Faster logging intervals and statistics sampling intervals, burst logging, remaining connected with the app, excessive downloads, and paging may impact battery life.To ensure proper battery installation, see Battery Information for detailed instructions on replacing the battery.
- Memory
-
96,000 measurements
- Full Memory Download Time
-
Approximately 45 seconds; may take longer the farther the device is from the logger
- Wetted Materials
-
Polypropylene case, EPDM O-ring
- Dimensions
-
3.35 x 5.64 x 1.8 cm1.32 x 2.22 x 0.69 inches
- Weight
-
12.75 g0.45 oz
- Environmental Rating
-
IP68
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