Vertex 2158 - Chapter 1: Specifications; Power Supply Requirements; Accuracy

Chapter 1: Specifications
Power Supply Requirements
(11/96)
1-1
1 Specifications
Power Supply
Requirements
Load cell power supply is provided by the Mettler Toledo Digital
Indicator.
Accuracy
Models 2158, and 2160 Vertex floor scales meet or exceed the National
Institute of Standards and Technology (NIST) Handbook 44
requirements for Class III scales. Standard Vertex scales meet 5000
division accuracy, a certificate of conformance, No. 91-097 (2158), and
94-010 (2160) were issued under the National Type Evaluation Program
(NTEP) of the National Conference of Weights and Measures. The
Model 2162 Vertex floor scale has not been submitted for approval.
Applied Weight Allowable Error
0 - 500 Divisions
501 - 2000 Divisions
2001 - 4000 Divisions
4001 - 10,000 Divisions
± 1/2 Division
± 1 Division
± 1-1/2 Divisions
± 2-1/2 Divisions
NIST - 44 Acceptance Tolerances
+3.0
+2.5
+2.0
+1.5
+1.0
+0.5
0
-0.5
-1.0
-1.5
-2.0
-2.5
-3.0
500d 2000d 4000d 10,000d
Number
of
Divisions
Figure
1
-a: Class III Weighing Tolerances