Good Precision
The precision obtainable with the 6725 Calorimeter
will depend primarily upon the amount of energy
released by the sample. If the release is less than 100
calories, the deviation from the mean will not exceed
1.0 percent of the measured value. With a 400 calorie
release, the deviation will be less than 0.4 percent of
the mean value.
6725 Semimicro Calorimeter Standardization
A supply of 0.2 gram standard benzoic acid pellets
is provided for standardizing the calorimeter.
Conversion to a Solution Calorimeter
Since the case, thermometer and motor drive for
the 6725 Semimicro Calorimeter are the same as used
for the 6755 Solution Calorimeter, the semimicro
model can be converted to a solution calorimeter by
simply replacing the inner parts with solution calorim-
eter components. Or, semimicro components can be
installed in a solution calorimeter case. Conversion
parts for these changes are listed on page 11.
Standard Accessories
The 6725 Semimicro Calorimeter is furnished with
an attached digital calorimetric thermometer and the
following standard parts and accessories:
1 1109A
Semimicro Oxygen Bomb
1 1824
Oxygen Filling Connection
2 208AC
Inconel Fuel Capsules
3 45C10
Fuse Wire, 10 cm Card
1 3414
Vial of 100, 0.2 g Benzoic Acid Pellets
Plus a supply of extra gaskets and sealing rings for the 1109A Bomb and operating instructions
for the 6725 Semimicro Calorimeter.
Optional Accessories
A535A Support Stand
1758EA Printer and Cable, 115V
1758EF
Printer and Cable, 230V
534A
Service Clamp
A2170E Printer Cable, USB
6725 Calorimeter Cross Section
Ordering Guide
Model No.
Description
(Select part no. for voltage required)
6725EA
Semimicro Calorimeter with Standard Accessories, 115V
6725EF
Semimicro Calorimeter with Standard Accessories, 230V
P a r r I n s t r u m e n t C o m p a n y
10
w w w . p a r r i n s t . c o m
Model 6725 Semimicro Bomb Calorimeter
