1
INTRODUCTION
1
Introduction
1.1
Disclaimer
All information in this manual is subject to change without notice. The Fredericks Company assumes
no responsibility for inaccuracies in product specifications or any liability arising from product use.
Please contact Televac at
or call 215-947-2500 with comments or questions.
1.2
Description
The B2A Portable is a thermocouple vacuum sensor controller with a range of 1
×
10
−
3
Torr to 20 Torr.
It utilizes a Televac thermocouple vacuum sensor, part number 2-2100-10 or 2-2126-0YY. It has an
easy-to-read analog display that indicates pressure in units of mTorr.
1.3
Operating Specifications
Table 1: Operating Specifications
Operating Range
1
×
10
−
3
to 20 Torr
Communications
N/A
Programmable Set Points
N/A
Analog Output
N/A
Supply Voltage for Charging
90 V to 135 V AC, 60 Hz
Calibration Medium
Dry air or nitrogen
Overpressure
Sensor-dependent
Battery Life
12 hours
Charging Time
15 hours
Operating Temperature
0
◦
C to 50
◦
C
Storage Temperature
−
20
◦
C to 60
◦
C
Bakeout Temperature
Sensor-dependent
Response Time
≤
1 second
Accuracy
1 mTorr to 10 mTorr
±
1 mTorr
10 mTorr to 500 mTorr
±
10%
500 mTorr to 1 Torr
±
20%
Display Readable Distance
1 m (3 feet)
email: sales@frederickscompany.com
tel: +1 215 947 2500
web: frederickscompany.com
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