Parr Instrument 6725 - Manual (Page 9)

6725
Semi-micro Calorimeter Instruction Manual
2-3
instrument. Install the thermistor in the cover opening and press the bushing firmly into
place to anchor the probe in its proper position. Place the cover on the calorimeter with
the orienting pin in the alignment hole. The 6772 Calorimetric Thermometer acts an
ignition unit for automatically firing the bomb in the 6725 calorimeter. The ignition leads
to the thermometer need to be connected to the red and black terminals marked
“Ignition” on the back of the thermometer to take advantage of this feature.
Communication Connections
There is a USB connection on the rear of the 6772 to facilitate printer and balance
connections.
The 6772 will also allow the user to specify the IP addresses of one or more Balance
Interface devices on the network by selecting the Network Data Device menu in the
Communications Controls menu. Balance Interface devices are polled from device 1 to
15 for sample and / or spike weights when the weight entry mode is set to Network.
The 6772 will also allow the user to specify the IP addresses of one or more Balance
Interface devices on the network by selecting the Network Data Device menu in the
Communications Controls menu. Balance Interface devices are polled from device 1 to
15 for sample and / or spike weights when the weight entry mode is set to Network.
Printer Connections
The printer type setting is on the Communication Controls Menu. The default
parameters for the 6772 Calorimetric Thermometer are set up for use with the Parr 1758
Printer.
Balance Connections
The 6772 Calorimetric Thermometer supports input from the multiple balance types.
Additionally, a generic input driver is provided for communications with balances that do not
conform to the eight supported protocols. A new feature supported by all four balance input
drivers is the ability to change the expected number of characters in the data field. The
number of data characters indicated for each of the drivers, below, are default values. This
feature virtually eliminates the need for balance input drivers to be re-written in the event
the balance manufacturer elects to alter the output string of a balance when new models
are introduced.