User guide

Appendix Model 2120XL
Teledyne Analytical Instruments 72
Digital Inputs: Two digital inputs for remote span and
zero
Weight: 35 lbs (15.9 kg)
A.2 Recommended Replacement Parts List
Qty. Part Number Description
1 C75825A Main PCB w/o EPROM
1 C84447A Amplifier PCB
1 C84132A Back Panel Power Supply PCB
1 C84129A Front Panel Display PCB
1 S01748-120 Scrubber of N2 Gas for zero cal. (120 V)
-OR-
1 S01748-240 Scrubber of N2 Gas for zero cal. (240 V)
1 F2374 Flow Control Module
1 A85552 2120XL std. EPROM for Main PCB
Note: Orders for replacement parts should include the part
number (if available) and the model and serial number of
the instrument for which the parts are intended.
Orders should be sent to:
TELEDYNE ANALYTICAL INSTRUMENTS
16830 Chestnut Street
City of Industry, CA 91748
Telephone: [phone]
Fax: [phone]
Web: www.teledyne-ai.com
or your local representative.