Special Features :

    • Programmable to desired parameters
    • Individual configuration of each channel.
    • Continuous scanning for all channels.
    • Data Logger with Real Time Clock.


The HNL Model TX-251 (Blind / Weather Proof / Explosion Proof) receiver unit is configurable to wirelessly receive and process signals from up to 16 wireless transmitters.

It continuously scans all the channels and displays the readings in numerical order.

The Receiver controller goes through a comprehensive self test routine and display diagnostics read out of faults if any.


DisplayGraphic LCD Display
RF Frequency2.4 GHz Or 865 MHz.
Operating Voltage12 V DC or 110/220 VAC
Current250 mAc 12 V DC
CompatibilityHNL-SENSE Wireless Transmitter
ChannelExtendable up to 16
ParametersConfigurable according to transmitter parameters
OutputRS-232 / 485, 4-20 mA
Relays2 Dry Contact (5 Amp)
ProtectionPower EMI filter, surge suppression, 4-20 mA & RS- 232/485 surge suppression.
Antenna6″ half wave dipole articulating RPSMA Antenna
Temperature-20 °C to +50 °C
Enclosurehigh impacted plastic or stainless still
Range300-meter clear line of sight with the standard dipole antenna, extendable up to 3.0 Km using high gain directional antenna.
Warranty1 Year (Hardware)
OptionalInbuilt data logger with a real-time clock. Comprehensive software to
download and feature analysis of the recorded readings. Inbuilt GSM to transfer the data online

* Gases and Ranges are only indicative. Contact HNLSystems Pvt. Ltd. for special gas/ vapor or range

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