Specifications

METTLER TOLEDO Weigh Module Systems Handbook
(12/99)14-42
NIST Load Cell Specifications
Rated Capacity of
Load Cell (lb)
250*, 500, 1,250,
2,500, 5,000, 10,000
20,000, 30,000 45,000
Rated Output 2.0 ± 0.002 mV/V 2.0 ± 0.005 mV/V 2.0 ± 0.005 mV/V
Zero Balance ± 0.02 mV/V ± 1.5% of R.C. ± 1.5% of R.C.
Combined Error
Due to Non-
Linearity and
Hysteresis
0.03% of R.C. 0.02% of R.C. 0.02% of R.C.
Non-Repeatability 0.01% of R.C. 0.01% of R.C. 0.01% of R.C.
Temperature
Compensation
-10° to +40° C
+14° to +104° F
-10° to +40° C
+14° to +104° F
-10° to +40° C
+14° to +104° F
Terminal
Resistance
Input: 385Ω
Signal: 350Ω ±2Ω
Input: 380Ω ±20Ω
Signal: 350Ω ±2Ω
Input: 2,200Ω ±100Ω
Signal: 2,000Ω ±20Ω
Excitation Voltage 15 VDC maximum 20 VDC maximum 20 VDC maximum
Insulation
Resistance
5 GigaΩ minimum
@ 50 VDC
5 GigaΩ minimum
@ 50 VDC
5 GigaΩ minimum
@ 50 VDC
Maximum Loads
% of R.C.
Safe Overload: 150
Ultimate Overload: 300
Safe Side Load: 100
Safe Overload: 150
Ultimate Overload: 300
Safe Side Load: 100
Safe Overload: 150
Ultimate Overload: 300
Safe Side Load: 100
*250-lb load cell is not NTEP Certified.
Table 14-28: NIST Load Cell Specifications (Centerlign)
OIML System Specifications
Qty.* Load Cell Capacity
(kg)
System Capacity
(kg)
Cable Length (m) Conduit Fitting (H)ermetic Cell
(P)otted Cell
4 220 880 4.57 1/4-18 NPT H
4 550 2,200 4.57 1/4-18 NPT H
4 1,100 4,400 4.57 1/4-18 NPT H
4 2,200 8,800 4.57 1/4-18 NPT H
4 4,400 17,600 9.14 1/4-18 NPT H
4 9,072 36,288 9.14 1/4-18 NPT H
4 13,608 54,432 9.14 1/4-18 NPT H
4 20,412 81,648 9.14 1/4-18 NPT H
*System configurations using other than four modules are possible.
Table 14-29: OIML Weigh Module System Specifications (Centerlign)