Radiologgers:

rl1000 submersible temperature transmitter

The rl-1000 submersible temperature transmitter is a radio logger sensor for use in tough environments where there is a requirement for accurate and reliable temperature data without using wiring.

The transmitter itself is encased in a robust acytal cylinder to protect the electronics from damage. The high stability temperature sensor can be supplied either hardwired to the transmitter body, or on a 350mm silicone cable. The rl-1000 can optionally be supplied with a Lemo-socketed remote probe for use in dirty but dry environments. The sensor can cover one of three ranges: -35 degrees C+60 degrees C, -15 degrees C+100 degrees C or +10 degrees C+150 degrees C.

Each unit contains a micro-controller that switches itself on for short intervals. The measurement is carried out, converted to digital form and then transmitted by low power radio using a bespoke protocol, ensuring complete integrity of the data transfer to the Hanwell cr-1 or sr-1 receivers. The radio system is fully approved and exceeds all specifications enforced by the relevant national authority. In addition, the system complies with the European R&TTE Directive, which covers EMC and radio specifications and, therefore, a license is not required.

A 'battery low' indication is displayed via the PC software, warning of the requirement for battery change prior to power loss. Further, in the event of total failure in transmission the software will also flag an alert.

The obvious, inherent advantage of this type of monitoring is zero installation costs with no wiring requirement, disruption or damage to the environment you wish to monitor. In addition, refrigerators, freezers, incubators, water baths or other laboratory equipment can be freely moved about the laboratory without losing data integrity. Simply place the radio logger in the area to be covered and switch on. These telemetry units are particularly useful for temporary assignments due to their absolute portability.

Hanwell products are designed with calibration very much in mind. We offer in-house or on-site temperature calibration services, using equipment traceable to national standards. For those customers who have their own in-house calibration facilities, we can provide all the necessary supplementary calibration documentation and software.

The rl-1000 series transmitters, when used together with Hanwell software, comply with the most stringent administrative controls such as those required in FDA regulated environments.