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1-1062-02575-07
1.4 U SDA RECORDING
A special type of recording is provided for USDA cold treatment purposes. Cold treatment recording requires that
three remote temperature probes are placed in the cargo at various locations. Provision is made to connect these probes
to the DataCORDER via receptacles located at the rear left-hand side of the unit. Four (five, on some units) receptacles
are provided. Four (three-pin) receptacles are for the probes and one (five pin) receptacle is provided for the
Interrogator. All receptacles are sized to accept a Deutsch HD16-5-16S size plug with a tricam coupling locking
device. The DataCORDER inputs are designed to accept a two wire thermistor probe.
A label on the back panel of the unit shows which receptacle is used for each probe. The USDA #1, #2 and #3 probes
(and possibly the optional Car go probe) are installed in these receptacles.
The DataCORDER records up to six probe temperatures (supply, return, USDA #1, #2, #3 and an optional cargo probe
#4), at the logging interval.
The standard DataCORDER report displays the supply and return air temperatures. The cold treatment report displays
USDA #1, #2, #3 and return air temperatures. Cold treatment recording is backed up by a battery so recording can
continue if AC power is lost.
NOTE
There may be an additional (3-pin) receptacle for a car go probe on some units. This should NOT be used for
USDA probes.
1.5 RELATIVE HUMIDITY
When the Relative Humidity Set Point mode is activated or de-activated (i.e., Controller function code Cd33 on
Micro-Link 2/2i), this status is stored in the DataCORDER memory and reported as an event.