GSM Cellular Communications Data Logger


Data Uploaded and Viewed Online through Internet Browser in Real-Time
Requires Power Adapter or Solar Panel Option, Smart Sensors, Data Plan and Software (Sold Separately)
>> Remote Data Logging and Monitoring Device with Built-in GSM Communications
>> Data Uploaded and Viewed in your Internet Browser at (Real-Time, Up-To-The-Minute)
>> Electronics Housed Within a Rugged Double-Weatherproof, Tamper Proof Enclosure
>> Attach up to 15 Plug-and-Play Smart Sensors with Easy Set-up and Instructions
>> 3 to 5 Year Life with User-Replaceable Rechargeable Battery
>> 1 Second to 18 Hour Sampling Rate 
>> AC Power Adaptor or Solar Panels Required External Power Option
>> Includes Alarm Output Relay (Activated, Deactived or Pulsed) On User-Defined Sensor Alarms

The U30 GSM System Requires:
>> U30 Base Unit
>> Power Adapter or Solar Panels
>> Compatible Smart Sensors (Minimum 1)
>> Data Plan for Uploading Readings to Server
>> HOBOWare Pro Software

All U30s are Built to Order - 7 Day Lead Time is Required.

U30 GSM Communications Data Logger Specifications

Data Channels Max. 15 Channels
(Some Smart Sensors use more than 1 Channel)
Data Storage Capacity 512K Maximum Storage in Non-volatile Memory 
(Number of Samples Dependant on External Sensors)
Sampling Rate 1 Second to 18 Hours (User-Specified)
Smart Sensor Compatiblility Compatible with Onset Smart Sensors, Except S-BPA, S-TMA and S-THA
Logging Modes Immediate, Timed Delay, or Push-Button Start Options
Memory Modes Stop When Full; Wrap When Full
Sensor Inputs 5 Standard - Option to Expand to 10
Alarm Output Relay Activated, Deactivated or Pulsed on User-Defined Sensor Alarms
(Relay Configured as Normally Open or Normally Closed - Rated for 30 Volts and 1 Amp Max.)
Time Accuracy 0 to 2 Seconds for first data point and ±5 Seconds per Week at 25°C (77°F)
Communications GSM Cellular or Full Speed USB via USB mini-B Connector
Expansion Slot One Expansion Slot (Factory-Installed)
Enclosure / Materials Outer Enclosure: Polycarbonate/PBT Blend with Stainless Steel Hinge Pins, Brass Inserts
Inner Enclosure: Polycarbonate with Brass Inserts
U-Bolts: Steel with Zinc Dichtomate Finish
Gaskets: Silicone Rubber
Cable Entry Channel: EPDM Rubber
Cable Entry Bars: Alum. w/ ABS Plastic Thumb Screws
Enclosure Access Hinged Door Secured by 2 Latches with Eyelets for Securing with User-Supplied Padlocks
Mounting 3.8 cm (1.5") Mast or Wall Mount
Sensor Network Cable Length 100 Meters (328 ft) Maximum
Operating Range Temperature: -20°C to 40°C (-4°F to 104°F)
LED Status Lights Up to 7 (dependant on Options) for Basic Diagnosis
Battery 4 Volt, 10AHr, Rechargeable Sealed Lead-Acid
Battery Life Rechargeable Service Life: 3 - 5 Years Typical Use
(Dependant Upon Environment and Operating Range)
External Power Required with 4 Options to Choose from:
AC-U30 Power Adapter
GSM Wireless Radio: Quad-Band GSM 850/900/1800/1900 MHz
GSM Antenna: Internal Quad-Band 
Antenna Connector: Reverse Polarity SMA
FCC Specification : Approved for Use in the USA, Contains FCC ID QIPTC65
Alarm Notification Latency Logging Interval Plus 2 to 4 Minutes (Typical) 
(Not Responsible for Failed Connections or Undelivered Email/Text Messages)
Standards Compliance CE, NEMA 6 Weatherproof Enclosure
(Proper Installation of Cable Channel System)
Weight 2 kg (4 lbs 10 oz)
Dimensions 17.8cm x 11.7cm x 19.3cm (7.0" x 4.6" x 7.60")
Optional Analog Sensor Port Specifications
Input Channels (2) Single-Ended
Field Wiring 2- or 3-wire via Screw Terminals on Detachable Connector
Input Range User-Configurable: 0 to 20 mA DC, 0 to 20 VDC (Suitable for 2.5, 5, and 10 V Sensors)
Input Voltage 0 to 24 VDC
Input Current 0 to 24 mA DC
Current Source Impedance Minimum: > 20 KΩ
Accuracy ±0.25% of FSR from 50mV to FSV
Excitation Power Switched 12 VDC, up to 50 mA; User-Selectable Warm-up from 5 msec to 2 Minutes
ADC Resolution 12 Bits

Part # U30-GSM-000-05-S100
Base Price 850.00
Analog Sensor Port Options  
Note: Choosing 2 analog inputs provides 2 analog inputs and sensor power;
and is user-configured for either 0-20 mA or 0-20V.
Smart Sensor Input Options  
Note: 5 smart sensor inputs includes weatherproof inlets for up to 5 sensor cables.
10 smart sensors inputs includes weatherproof inlets for up to 11 sensor cables, and 1 oversized cable (0.25")
Note: A 10 AHr Rechargeable Battery is Included.

Standard NIST DC Voltage Calibration Service Standard NIST DC Voltage Calibration Service
>> 1 Point (per Channel) Offset Calibration
>> Traceable to NIST
>> Certificate Supplied
>> Note: 3 to 5 Day Lead Time for All Calibration Orders


Standard NIST DC Voltage Calibration Service Standard NIST 4-20mA Calibration Service
>> 1 Point Offset Calibration
>> Traceable to NIST
>> Certificate Supplied
>> Note: 3 to 5 Day Lead Time for All Calibration Orders
Part #: CAL-NIST-420MA

Documentation: (pdf)

U30 Remote Communications Quick Start Guide
U30 Remote Communications User Manual
U30 Battery Replacement Guide
HOBOLink Quick Start Guide
HOBOLink User Manual

Application Notes (pdf)

Understanding the Differences Between State, Event and Pulse Datalogging. (.pdf 300KB)