HIGHLY ADVANCED LOW-POWER TELEMETRY SOLUTIONS
Learn About Wireless Solutions for Applications in Hazardous Locations

Wireless Gateways
LCD Transmitters
Wireless Transmitters
I/O Expansion Modules
Level Sensors & Switches
BreeZ Software

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WIRELESS GATEWAYS
Primary Data Aggregators in the OTC Sensor Network

DH1 WIRELESS GATEWAY

DH1 Wireless Gateway
​Serial Connectivity and Onboard I/O
(2x Serial, 4x AI, 2x DI, 2x DO)
Highlights:
  • Wirelessly gather/distribute sensor data
  • Map I/O anywhere within the network
  • Modbus master/slave functionality
  • 1x configurable Serial port (RS232/RS485)
  • 1x dedicated RS485 port (RJ-45)
  • 4x analog inputs (0-5 Vdc)
  • 2x discrete inputs
  • 2x discrete outputs
  • Class I, Division 2 (Zone 2)
  • -40 °C to 80 °C
  • 900 MHz or 2.4 GHz radio option
  • Secure AES encryption

DH2 WIRELESS GATEWAY

DH2 Wireless Gateway
Serial Interface
(1x Serial)
Highlights:
  • Wirelessly gather/distribute sensor data
  • Map I/O anywhere within the network
  • Modbus master/slave functionality
  • 1x configurable Serial port (RS232/RS485)
  • Class I, Division 2 (Zone 2)
  • -40 °C to 80 °C
  • 900 MHz or 2.4 GHz radio option
  • Secure AES encryption

DH3 WIRELESS GATEWAY

DH3 Wireless Gateway
Ethernet & Serial Interface
​(Ethernet, 2x Serial, 2x USB, MicroSD)
Highlights:
  • Wirelessly gather/distribute sensor data
  • Map I/O anywhere within the network
  • Modbus master/slave functionality
  • Ethernet connectivity facillitates IoT and IIot implementation
  • 2x Configurable Serial ports (RS232/RS485)
  • Data logging capabilities / web server
  • Class I, Division 2 (Zone 2)
  • -40 °C to 80 °C
  • 900 MHz or 2.4 GHz radio option
  • Secure AES encryption
  • Optional local display available

WIRELESS TRANSMITTERS
Self-Contained, Battery-Powered Sensor Nodes

CID1 LCD NODES
​WT SERIES

CID1 LCD NODES
SM SERIES

​CID2/GP Nodes
​
  • ​Class I, Division 1 (Zone 0) Certified
  • Local Display and Push Button Interface for Instant Reading and Configuration
  • Self-Contained, Battery-Powered, Intrinsically Safe
  • Class I, Division 1 (Zone 0) Certified
  • Self-Contained, Battery-Powered, Intrinsically Safe
  • Self-Contained Low-Power Solutions

I/O EXPANSION MODULES
Wireless and Hardwired RS485 Options

WIRELESS ANALOG INPUT MODULE

WIRELESS DIGITAL
​I/O MODULE

WIRELESS MULTI
​I/O MODULE
Add Analog Process Points to any 
OTC Sensor Network
4x 0-10 V or 4-20 mA Inputs
Add Discrete I/O Points to any
OTC Sensor Network
6x Programmable Digital I/O Channels
Add Analog and Discrete I/O Points to any
​OTC Sensor Network
4x Analog Inputs, 4x Programmable Digital I/O
Highlights:
  • 4x analog inputs (24-bit ADC)
  • Independently selectable inputs for 0-10 V or 4-20 mA mode
  • Class I, Division 2 (Zone 2)
  • -40 °C to 80 °C
  • 900 MHz or 2.4 GHz radio option
  • Secure AES encryption
Highlights:
  • 6x programmable digital I/O channels
  • Supports any mix of inputs and outputs
  • Normally open/close, counts, pulsed modes
  • 10 ms to 2000 ms debounce filter
  • 1 Amp sink current for open-drain outputs
  • -40 °C to 80 °C
  • Class I, Division 2 (Zone 2)
  • 900 MHz or 2.4 GHz radio option
  • Secure AES encryption
Highlights:
  • 4x analog inputs (24-bit ADC)
  • Independent selectability for 0-10 Vdc or 4-20 mA mode
  • 4x programmable digital I/O channels
  • Modbus master functionality (RS485)
  • Class I, Division 2 (Zone 2)
  • -40 °C to 80 °C
  • 900 MHz or 2.4 GHz radio option
  • Secure AES encryption

ANALOG INPUT
​MODULE

ANALOG OUTPUT
​MODULE

DIGITAL I/O
MODULE
Add More Analog Inputs to a DH1 Gateway
4x 0-10 V or 4-20 mA Inputs, RS485, DH1 Only
Add More Analog Outputs to a DH1 Gateway
4x 1-5 V or 4-20 mA Outputs, RS485, DH1 Only
Add Programmable Digital PIO Points to a
​DH1 Gateway
8x Programmable Digital I/O, RS485, DH1 Only
Highlights:
  • 4x analog inputs (24-bit ADC)
  • Designed for use w/ DH1 Wireless Gateway
  • Independently selectable inputs for 0-10 Vdc or 4-20 mA mode
  • RS485 serial / multi-droppable
  • -40 °C to 80 °C
  • Class I, Division 2 (Zone 2)
Highlights:
  • 4x analog outputs
  • 1-5 Vdc (3-Wire) / 4-20 mA (2-Wire)
  • Designed for use w/ DH1 Wireless Gateway
  • RS485 serial / multi-droppable
  • -40 °C to 80 °C
  • Class I, Division 2 (Zone 2)
Highlights:
  • 8x programmable digital channels
  • Designed for use w/ DH1 Wireless Gateway
  • Supports any mix of inputs and outputs
  • Normally open/close, counts, pulsed modes
  • 10 ms to 2000 ms debounce filter
  • 1 Amp sink current for open-drain outputs
  • RS485 serial / multi-droppable
  • -40 °C to 80 °C
  • Class I, Division 2 (Zone 2)

RS485 MODULAR I/O
​EXPANSION SYSTEM

Fully Customisable Modbus I/O
​Expansion Solution 
RS485 Modbus, 0-10 V, 4-20 mA, Digital I/O
Highlights:
  • Fast-commissioning I/O system
  • Serial RS485 connectivity
  • Works with a Modbus master device
  • Fully customizable modular I/O solution
  • Add 0-10 Vdc, 4-20 mA, and or Digital I/O
  • No software, no programming involved
  • Easily mounts onto 35 mm DIN rails
  • Class I, Division 2 (Zone 2)
  • -40 °C to 80 °C

LEVEL SENSORS AND SWITCHES
Accurate, Reliable, Robust Automatic Tank Level Reading Gauges

High quality level sensors and switches for tank level monitoring in hazardous locations. Available in Wireless, Hardwired, Hydrostatic, Ultrasonic, and Thief Hatch options. The OleumTech®  liquid level sensors and tank level sensors is designed for industrial level monitoring applications, monitoring product, interface and temperature levels from a single sensor.

​WIRELESS LEVEL TRANSMITTER & GAUGE

RESISTIVE TANK
​LEVEL SENSORS 

WIRELESS HIGH
LEVEL SWITCH -
TOP MOUNT WITH LCD
LL3 | LL3-T | LL3-D | LL3-DT​
​Battery-Powered Self-Contained Tank Level Gauging Solution
RL3 | RL4
​Low-Power RS485 Modbus Tank Level
​Gauging Solution
HL1
Battery-Powered Self-Contained Level ​Alarm Monitoring Solution
Highlights:
  • Monitor product, interface & temperature using a single Resistive Level Sensor
  • 1/2” or 1/4” resolution option
  • ± 1/8” accuracy on 1/4“ sensor / ± 1/4” accuracy on 1/2“ sensor
  • Flex (PTFE) or rigid (316 SS) sensor option
  • “Set it and forget it” one-time calibration
  • Installs in minutes with Quick Connect that eliminates wiring error and hassle
  • Up to a 10-year battery life
  • Advanced local LCD display interface
  • Self-contained, rugged design
  • Class I, Division 1 (Zone 0)
  • Intrinsically Safe
  • IP66, -40 °C to 70 °C (Transmitter)
  • -40 °C to 120 °C / -40 °F to 248 °F (Sensor)
  • 900 MHz & 2.4 GHz radio option
  • Secure AES encryption
Highlights:
  • Monitor product, interface & temperature using a single Resistive Level Sensor
  • 1/2” or 1/4” sensor option / flex or rigid
  • ± 1/8” accuracy on 1/4“ sensor / ± 1/4” accuracy on 1/2“ sensor
  • Modbus or LevelMaster interface
  • Self-contained, rugged design
  • Installs in minutes with Quick Connect that eliminates sensor wiring error and hassle
  • Class I, Division 1 (Zone 0)
  • Intrinsically Safe
  • IP66, -40 °C to 70 °C
  • 6-12 Vdc
  • Supports up to 16 sensors multi-dropped
Highlights:
  • Single or dual actuation (high / high-high)
  • Switch of desired length sold separately
  • Up to a 10-year battery life
  • Advanced local LCD display interface
  • Self-contained, rugged design
  • Installs in minutes
  • Class I, Division 1 (Zone 0)
  • Intrinsically Safe
  • IP66, -40 °C to 70 °C
  • 900 MHz or 2.4 GHz radio option
  • Secure AES encryption

WIRELESS HIGH 
LEVEL SWITCH - 
TOP MOUNT

WIRELESS HIGH
LEVEL SWITCH –
​SIDE MOUNT WITH LCD

WIRELESS HIGH LEVEL SWITCH TRANSMITTER
- SIDE MOUNT
HLT
​Battery-Powered Self-Contained High Level Detection Solution
HL2
Battery-Powered Self-Contained Level Alarm Monitoring Solution
HLS
​Battery-Powered Self-Contained
​Level Detection Solution
Highlights:
  • Single or dual actuation (high / high-high)
  • Switch of desired length sold separately
  • Up to a 10-year battery life
  • Self-contained, rugged design
  • Installs in minutes
  • Class I, Division 1 (Zone 0)
  • Intrinsically Safe
  • IP66, -40 °C to 70 °C
  • 900 MHz or 2.4 GHz radio option
  • Secure AES encryption
Highlights:
  • Single actuation high level switch
  • Side-mountable level switch included
  • Up to a 10-year battery life
  • Advanced local LCD display interface
  • Self-contained, rugged design
  • Installs in minutes
  • Class I, Division 1 (Zone 0)
  • Intrinsically Safe
  • IP66, -40 °C to 70 °C
  • 900 MHz or 2.4 GHz radio option
  • Secure AES encryption
Highlights:
  • Side-mounting high level detection system
  • High level switch included
  • Up to a 10-year battery life
  • Self-contained, rugged design
  • Installs in minutes
  • Class I, Division 1 (Zone 0)
  • Intrinsically Safe
  • IP66, -40 °C to 70 °C
  • 900 MHz 2.4 GHz radio option
  • Secure AES encryption

WIRELESS HYDROSTATIC LEVEL TRANSMITTER

WIRELESS ULTRASONIC LEVEL TRANSMITTER

THIEF HATCH
​SWITCH KIT
LL4 | LL5
Battery-Powered Self-Contained
​Level Monitoring Solution
LL6
Battery-Powered Self-Contained Water
Level Monitoring Solution
T10 | T30
Real-Time Storage Tank Emission
​Detection Solution
Highlights:
  • 1x 1-5 Vdc hydrostatic sensor input
  • Sensor works up to 150 ft / 457 m length
  • Up to a 10-year battery life
  • Advanced local LCD display interface
  • Self-contained, rugged design
  • Installs in minutes
  • Class I, Division 1 (Zone 0)
  • Intrinsically Safe
  • IP66, -40 °C to 70 °C
  • 900 MHz or 2.4 GHz radio option
  • Secure AES encryption
Highlights:
  • For water/wastewater applications only
  • Non-contact, no moving part solution
  • Includes an Ultrasonic level sensor
  • Reading range: 1 ft to 12 ft / 0.3 m to 3.4 m
  • Up to a 10-year battery life
  • Advanced local LCD display interface
  • Self-contained, rugged design
  • Installs in minutes
  • Class I, Division 1 (Zone 0)
  • Intrinsically Safe
  • IP66, -40 °C to 70 °C
  • 900 MHz or 2.4 GHz radio option
  • Secure AES encryption
Highlights:
  • Real-time thief hatch monitoring detection system
  • Offered in 10 ft or 30 ft wire length
  • Designed to work with OleumTech products with a Discrete Input (DI)
  • Quick and easy to install
  • Works with OleumTech Liquid Level Transmitter with DI
  • Works with IO MAX Transmitter (MX1)
  • Works with Discrete Transmitter (DS1/DJ1)

BreeZ® SOFTWARE
User-Friendly PC Tool for Managing OTC Sensor and I/O Network
Highlights:
  • Manage every aspect of the OTC Sensor and I/O network
  • Project Creation Wizard helps quickly and easily build project files
  • Offers full editing controls over devices and Modbus register mapping
  • Offers diagnostic and troubleshooting tools
  • Free software; free support
  • Intuitive and user-friendly design
  • Compatible with PC with Windows® Vista or later
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