Kobold MAS Series, Instruction Manual

Page: 26 / 54

MAS Instruction Manual
Page 25
7
STANDARD
SERVICING AND
RECALIBRATION
If your MAS requires servicing or recalibration, please refer to the
following ordering numbers. Kobold’s current Price List gives the
respective prices.
IMPORTANT NOTE: For all servicing and recalibration, please
return the entire MAS flow body to the factory.
R1 Standard Recalibration (1.5%) and Cleaning
R2 Standard Recalibration (1.5%), Cleaning and Repair
R3 Replacement Sensor and Standard Recalibration (1.5%)
If you wish to have Kobold calibrate with a different flow range
and/or gas, please take note of the following.
NOTE 1 F
LOW
R
ANGE
:
The standard flow ranges given in Section 1.3, S
PECIFICATIONS
, are
for nitrogen at standard conditions of 1 atmosphere and 21
°
C
(70
°
F). For a given MAS Flowmeter, the range may vary for other
gases depending on their molecular weight and thermal properties.
NOTE 2 C
ALIBRATION
:
Please specify the actual gas you intend to use. If you are using
several gases, inform us and we will give you the required conversion
factors. Unless otherwise specified, “standard” conditions shall be
1 atmosphere pressure and 21
°
C (70
°
F) temperature. For example,
if you require a 0
°
C (32
°
F) “standard” temperature, please specify
when ordering.