Tools & data
Grain temperature recording with Lishman MiniTemp Blue
Bluetooth and mobile device app technology are combined to make it easier for growers and bulk store managers to record grain temperature and make decisions on crop cooling ventilation.
The MiniTemp Blue temperature monitoring system from British manufacturer Martin Lishman, connects 1 or more temperature probes by Bluetooth to an Android or iOS smartphone app that provides instant access to the readings.
The figures are available immediately once the user enters the store and opens the app. Readings are collected from temperature probes 20 – 30 meters away, depending upon the configuration of the pile. For more distant sensors, it may be necessary to ensure a line-of-sight connection, notes the manufacturer.
Lishman’s MiniTemp Blue bulk grain temperature probes are equipped with Bluetooth transmitters, so that current and historical readings can be viewed on a smartphone app. Photo: Martin Lishman
The Bluetooth transmitters are mounted on 2 meter or 3 meter (6‘6” or 9‘10“) static temperature probes positioned to give representative readings throughout the bulk.
Up to 6 months’ worth of figures can be stored in the app and downloaded to a PC for use as data records, to assist with future storage management and to comply crop quality assurance requirements. The company’s managing director, Dr Gavin Lishman, says the new Bluetooth system is a more convenient upgrade from the established MiniTemp hand-held monitor, which remains available.
This instrument can be used to take instant readings from a single probe, which requires the user to walk across the grain pile, or from multiple probes via a junction box and cables laid out across the grain surface.
In the UK, MiniTemp Blue prices start at £245 with a 2 meter rigid probe sensor.
Company: Martin Lishman
Name: MiniTemp Blue
Type: Grain temperature monitor
Key feature: Probes with Bluetooth wireless transmitter provide bulk grain temperature readings on a smart phone app; readings can be stored and downloaded to a PC for storage management and crop assurance records
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