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Customer Service

Contact us to place an order or inquire about any of our products and services.


Parr Instrument Company 211 Fifty Third Street
Moline, Illinois 61265-1770
(800) 872-7720 or
(309) 762-7716
Fax: (309) 762-9453

Calorimeter Support Documents

Parr offers support documents to aid users in the field with various aspects of using and servicing our Calorimeter equipment. Please click on the links below to access the PDF documents.
Calorimeter Manuals
1219DD Instructions for Replacing the Cover (19)
1261 Troubleshooting Pre & Post Period Problems (104)
1266 & 1356 CPU Board Replacement Instructions (17)
1266 and 1356 IO Board Replacement Instructions (11)
1266 and 1356 PS Board Replacement Instructions (13)
1266 and 1356 Reprogram Instructions (21)
1271 Calorimeter Instructions for Updating the Drain Tubing (20)
1271 Instructions for Running the via PC (15)
1271A Reprogramming Instructions (9)
1281 Anchor Block Replacement (6)
1281 Calorimeter Remote Operation Instructions (20)
1281 Reprogramming Instructions (18)
1281, 6300, and 6400 Calorimeter Oxygen Leak Troubleshooting (45)
1350E PS Adjustment (7)
1400E PS Adjustment.doc (4)
587M01 A693VBP145 Pressure Relief Valve (Supplement to 587M) (11)
6100 & 6200 Instructions for Replacing the A1279DD Controller (16)
6100 & 6200 Instructions for Replacing the A1279DD2 Controller (14)
6300 and 6400 Calorimeter Troubleshooting Fill Timeout (63)
6300 Calorimeter - Troubleshooting Jacket Fill and Cooling Problems (43)
6300 Instructions for Removing the Air Can (9)
6300 Instructions for Removing the Heating Manifold (7)
6765 Instructions for Changing Modes of Operation (6)
696M 1109X High Strength Semimicro Oxygen Combustion Vessel Operating Instructions (5)
697M 1109X High Strength Semimicro Oxygen Combustion Vessel Parts Diagram (9)
6xxx Calotimeter Instructions for Downloading the Log File (20)
A1250DD Instructions for Replacing the Controller (11)
A1250DD2 Instructions for Replacing the Controller (10)
A1257DD Adjusting Water Regulator (17)
A1257DD Water Regulator Assembly Spring Replacement (9)
A1260DD Instructions for Replacing Water Level Control Assembly (9)
A1260DD Instructions for Replacing Water Level Control Assembly (7)
A800DD 5VDC PS Adjustment (5)
Troubleshooting Spiking Samples (35)