temp logger

base station D.O. Logger hobopro logging rain guage tidbit

Base Station

Dissolved Oxygen
Data Logger

Hobo® Software

Rain Gauge
Data Logger

Tidbit Temperature
Data Loggers

boot shuttle level logger

Tidbit Protective

Waterproof Data

Water Level
Data Logger

Hobo U10 Temp.
Data Logger

TidbiT v2 Temperature Data Logger

The TidbiT v2 family data loggers has 12-bit resolution and a precision sensor with high accuracy over a wide temperature range. This new version of the popular underwater logger has twice the memory, an Optic USB Base Station, and works with the new HOBO Waterproof Shuttle. The rugged TidbiT is waterproof to 300m (1000ft) and is equipped with an optic interface for data offload in th field, even when wet.

Requires either the HOBO Waterproof Shuttle or Universal Optic USB Base Station.
You will also need the HOBOware Pro Software or HOBOware Lite Software.

• Enough memory to record more than 42,000 12-bit measurements
• Waterproof to 300m (1000ft)
• Time accuracy: +/-1 minute per month
• High-speed optic USB interface offloads full logger <30 seconds
• Programmable start time/date
• User-selectable sampling interval: 1 second to 18 hours
• Battery level indication at launch
• Battery lasts 5 years (typical); temperature extremes will reduce battery life
• Non-volatile EEPROM memory retains measurements even if battery fails
• Blinking LED confirms operation
• Protective boot for added protection

Download Specification and Instructions for TidbiT v2

#UTBI-001: TidbiT v2 Temperature Data Logger $185.00


The optional TidbiT thermoplastic elastometer boot provides cushioning for use in harsh conditions - offered in white to minimize solar radiation absorption and also offered in black to minimize underwater visibility

#BOOT-TIDBIT-WH-1: TidbiT Boot White, Each $8.35
#BOOT-TIDBIT-WH-5: TidbiT Boot White, Pkg of 5 $37.00
#BOOT-TIDBIT-BK-1: TidbiT Boot Black, Each $8.35
#BOOT-TIDBIT-BK-5: TidbiT Boot Black, Pkg of 5 $37.00

temp logger

-Measurement range: -20° to 70°C (-4° to 158°F)
-Accuracy: ± 0.53°C from 0° to 50°C (± 0.95°F from 32° to 122°F)
-Resolution: 0.14°C at 25°C (0.25°F at 77°F),
-Drift: 0.1°C/year (0.2°F/year)
-Response time: 10 minutes in airflow of 1 m/s (2.2 mph), typical to 90%
-Time accuracy: Approximately ± 1 minute per month at 25°C (77°F), see Plot B
-Operating range: Logging: -20° to 70°C (-4° to 158°F); 0 to 95% RH (non-condensing)
-Battery life: 1 year typical use
-Memory: 64K bytes (52,000 10-bit measurements)
-Weight: 26 g (0.82 oz)
-Dimensions: 45 x 60 x 20 mm (1.8 x 2.38 x 0.77 inches)

Discontinued when stock runs out. 3 Remaining.

#U10-001: Hobo U10-001 Temperature Logger $85.00 $56.00

D.O. Logger

Measure oxygen concentrations in lakes, streams, rivers, estuaries, and coastal waters with the HOBO U26 Dissolved Oxygen Logger. This affordable and precise logger is recommended for aquatic biology and hydrology research projects. The HOBO U26 uses RDO® Basic (Rugged Dissolved Oxygen) optical DO sensor technology and is easy to maintain.

• Affordable, high performance dissolved oxygen (DO) monitoring with 0.2 mg/L accuracy
• Optical DO sensor technology for long-lasting calibration with less maintenance
• Dissolved Oxygen Assistant software corrects for measurement drift from fouling; provides salinity-adjusted DO concentrations and percent saturation
• Optical USB interface for high-speed, reliable data offload
• Easy-to-replace DO sensor cap lasts six months

NOTE: For DO measurements in saltwater, an adjustment for salinity is required. For waters with small changes in salinity (<2 ppt), a salinity meter reading typically provides enough accuracy.
• U26-001 data logger
• DO sensor cap
• Protective Guard
• Calibration Boot with sponge
The U26-001 Data Logger is for use in Underwater environments
The U26-001 Data Logger supports the following measurements:
Temperature, Dissolved Oxygen

Dissolved Oxygen:
Sensor Type: Optical
Measurement Range: 0 to 30 mg/L
Calibrated Range: 0 to 20 mg/L; 0 to 35°C (32 to 95°F)
Accuracy: 0.2 mg/L up to 8 mg/L; 0.5 mg/L from 8 to 20 mg/L
Resolution: 0.02 mg/L
Response Time: To 90% in less than 2 minutes
DO Sensor Cap Life: 6 months, cap expires 7 months after initialization
Temperature Measurement/Operating Range: -5 to 40°C (23 to 104°F); non-Freezing
Temperature Accuracy: 0.2°C (0.36°F)
Temperature Resolution: 0.02°C (0.04°F)
Response Time: To 90% in less than 30 minutes
Memory: 21,700 sets of DO and temperature measurements (64 KB total memory)
Logging Rate: 1 minute to 18 hours
Time Accuracy: ±1 minute per month at 0 to 50°C (32 to 122°F)
Battery: 3.6 V lithium battery; factory replaceable 
Battery Life: 3 years (at 5 minute logging)
Download Type: Optical
Depth Rating: 100 m (328 ft)
Wetted Materials: Black Delrin®, PVC, EPDM o-rings, silicone bronze screws; rated for saltwater use
Size: 39.6 mm diameter x 266.7 mm length (1.56 x 10.5 inches)
Weight: 464 g (16.37 oz)

Requires either the HOBO Waterproof Shuttle or Universal Optic USB Base Station.
You will also need the HOBOware Pro Software.

#U26-001: HOBO® D.O. Logger $1750.00
#U26-RDOB-1: Replacement DO Sensor Cap $139.00

level logger

Onset offers high-accuracy, pressure-based water level data loggers for deployment in depths of up to 250 feet in fresh or saltwater wells, streams, lakes, wetlands and tidal areas. These water level loggers feature research-grade accuracy at a great price. Stainless steel and titanium models are available. For saltwater deployments, such as brackish wetlands and tidal areas, see HOBO U20 Water Level Titanium. The HOBO Water Level Logger is a high-accuracy, pressure based water level recording device. Operating as a standalone unit, it does not rely on cumbersome vent tubes and desiccant packs for operation which simplifies deployment and eliminates many maintenance issues. Features an Optical/USB interface, a durable ceramic pressure sensor, and multiple-rate sampling for faster sampling at critical times such as when pumping starts or stops. Includes calibration certificate of accuracy versus NIST-traceable standards at three pressure points distributed through the range.

Available in 4 Depth Ranges
0 to 4 m (0 to 13 ft) with Accuracy: ±0.075% FS, 0.3 cm (0.01 ft)
0 to 9 m (0 to 30 ft) with Accuracy: ±0.05% FS, 0.5 cm (0.015 ft)
0 to 30.6 m (0 to 100 ft) with Accuracy: ±0.05% FS, 1.5 cm (0.05 ft)
0 to 76.5 m (0 to 251 ft) with Accuracy: ±0.05% FS, 3.8 cm (0.125 ft)

Requires either the HOBO Waterproof Shuttle or Universal Optic USB Base Station.
You will also need the HOBOware Pro Software.

#U20-001-01 30' Depth, Water Level Logger, Freshwater $739.00
#U20-001-02 100' Depth, Water Level Logger, Freshwater $739.00
#U20-001-03 250' Depth, Water Level Logger, Freshwater $739.00
#U20-001-04 13' Depth, Water Level Logger, Freshwater $739.00
#U20-001-01-Ti 30' Depth, Water Level Logger, Saltwater $839.00
#U20-001-02-Ti 100' Depth, Water Level Logger, Saltwater $839.00
#U20-001-03-Ti 250' Depth, Water Level Logger, Saltwater $839.00
#U20-001-04-Ti 13' Depth, Water Level Logger, Saltwater $839.00

logging rain guage


This fully self-contained rain gauge utilizes a tipping-bucket rainfall collector and a HOBO® Pendant Event Data Logger to automatically record up to 160 inches of rainfall data with a 16,000-tip memory capacity. The nonvolatile EEPROM memory retains data even if the battery fails. Start date and time can be programmed by the user. A HOBO® Pendant Optic USB Base Station and HOBOware™ software (each sold separately) are required to connect the rain gauge to a computer for launch and readout. The rain gauge features a removable top for easy data offload, three mounting feet for setup on level surfaces (three screws included), and a side bracket for mast mounting (hose clamps included).

Housing: Aluminum with baked-on enamel finish. Stainless steel shaft and brass bearings. High-impact ABS plastic tipping bucket. Funnel: Anodized aluminum.
Operating temperature range: 32°°F to 122°F (0°C to 50°C).
Storage temperature range: -4°F to 158°F (-20°C to 70°C).
Accuracy: ±1% (up to 1" per hour).
Time accuracy: ±1 minute per month at 77°F (25°C).
Rainfall resolution: English, 0.01"; Metric, 0.2mm.
Power: CR-2032 3V lithium battery.
Battery life: one year typical use.
Dimensions: 10"H x 6.5" diameter.

Requires either the HOBO Waterproof Shuttle or HOBO® Pendant Optic USB Base.
You will also need the HOBOware Pro Software.

#RG3: Data Logging Rain Gauge $609.00
#BASE-U-1 HOBO® Pendant Optic USB Base $99.00

base station
Universal Optic USB Base Station:

The new Universal Optic USB Base Station and a series of couplers are used to offload data from any HOBO® data logger with an Optic USB interface. The Optic USB Base Station connects to your computer via USB, while connecting to the logger via an appropriate coupler.

• Offloads a full 64K logger in 30 seconds
• Optical interface to logger eliminates unreliable connectors
• Base station is splash-proof (connectionx to computer is not)
• Couplers are color-coded to loggers
• Easy USB connection to computer
• Operating Temperature Range: 0 to 50 °C (32 to 122 °F)

Dimensions (without adapters): 15.2 cm x 4.8 cm ( 6.0 in x 1.9 in)
Weight: 153g (5.3 oz)

#BASE-U-4 Universal Optic USB Base Station $174.00

HOBO Waterproof Shuttle:

The HOBO® Waterproof Shuttle provides convenient readout and relaunching of underwater and outdoor HOBO loggers with an Optic USB interface, and is waterproof to 20m (66ft). The HOBO Waterproof Shuttle can also be used as a base station.

• Allows for data readout under water while diving or snorkeling
• Rugged waterproof construction
• LEDs show offload and relaunch status
• Convenient direct USB connection to host computer
• Checks and indicates its own battery status
• Synchronizes data logger clocks
• Synchronizes relaunch: sets data logger sample times to be synchronized with prior launch sample times
• Can also be used as an Optic USB base station for loggers with an Optic USB interface

Memory: 4 MB non-volatile memory stores data from 63 loggers
Operating temperature range while communicating: 0 to 50 °C (32 °F to 122 °F)
Survival temperature: -20 °C to 50 °C (-4 °F to 122 °F)
Rating: Waterproof to 20m (66ft)
Clock accuracy: +/-1 minute/month at 25 °C (77 °F)
Logger offload speed (into shuttle): approximately 15 seconds for 64K
Shuttle to host computer offload: approximately 6 minutes for 4MB
Batteries: two AA batteries (user-replaceable)
Battery life: 1 year or approximately 200 complete memory fills, typical
Case materials: Polycarbonate, EPDM Rubber O-rings

#U-DTW-1: HOBO Waterproof Shuttle $349.00

HOBOware Pro Software:

HOBOware Pro for Windows and Mac is part of Onsets next generation of software for logger management, data graphing, data analysis, and data export.
Data Assistants and Real-Time Alarm Plug-ins provide advance data analysis and monitor/notification of out-of-range conditions. Supports 21 CFR Part 11 compliance.

#BHW-PRO-CD: HOBOware Pro Software for Windows & Mac, Version 3.3 $139.00