Specifications

Chapter 14: Appendices
Appendix 11: Engineering Specifications
(12/99) 14-41
have a single terminal connection. Doubling up or ganging of wires
to one terminal is not acceptable.
6.5 The summing printed circuit board shall have potentiometers, one per
load cell for the electrical trimming/balancing of the load cell signals
during calibration.
7 Warranty
7.1 The product shall be free from defects in workmanship and materials
for a period of 1 year from date of original installation, or 18 months
from the date of shipment to the original buyer, whichever occurs first.
The manufacturer shall cover technician travel time and mileage costs
for the first 30 days after installation, with on-site labor and
replacement parts covered for the first 12 months after installation.
8 Acceptable Manufacturers
8.1 Scale system shall be METTLER TOLEDO Centerlign Weigh Modules.
NIST System Specifications
Qty.* Load Cell
Capacity (lb)
System Capacity
(lb)
Cable Length
(ft)
Conduit Fitting (H)ermetic
(P)otted
4 250 1,000 15 1/4-18 NPT P
4 500 2,000 15 1/4-18 NPT H
4 1,250 5,000 15 1/4-18 NPT H
4 2,500 10,000 15 1/4-18 NPT H
4 5,000 20,000 15 1/4-18 NPT H
4 10,000 40,000 30 1/4-18 NPT H
4 20,000 80,000 30 1/4-18 NPT H
4 30,000 120,000 30 1/4-18 NPT H
4 45,000 180,000 30 1/4-18 NPT H
*System configurations using other than four modules are possible.
Table 14-27: NIST Weigh Module System Specifications (Centerlign)