Calibration Certificate Certificate No. 746723 30243 Mountz Cal ID:
www.mountztorque.com
# AC-1346
Calibration Performed By: MOUNTZ ALABAMA 19051 UNDERWOOD RD. FOLEY, AL 36535 USA (408) 850-9978
Issued To:
19051 UNDERWOOD RD. FOLEY, AL 36535 USA MOUNTZ ALABAMA
Sales Order Number: SO268939
Equipment Tested:
Cal. Date:
6 MONTHS 08-Nov-2025 08-May-2025
Description:
MOUNTZ LTT-250I TORQUE ANALYZER ELECTRONIC
Cal. Interval:
Arrival Condition: Cal. Due Date:
Serial Number: Model Number:
LTT0711024
OUT OF MFG SPEC
LTT-250I 25 - 250
F Service Performed: CAL TO MFG SPEC / Temp. / RH%: 70 40
Range:
Unit of Measure: lbf.in
Calibration Result:
ADJ.
Accuracy:
1% of reading from 10-20%FS 0.5% of reading from 20-100%FS
Uncertainty: Procedure:
0.13%
3WI-7.1-003
Calibration Notes:
Calibrated using version 2.5.2.5. rev 1.23. Gain checked. A/D +155
Measurement Data:
Seq.
Description
Nominal
Tolerance -
Tolerance +
As Found As Left
1 2 3 4 5 6 7 8 9
CW 10% Reading 1 CW 10% Reading 2 CW 10% Reading 3 CW 50% Reading 1 CW 50% Reading 2 CW 50% Reading 3 CW 100% Reading 1 CW 100% Reading 2 CW 100% Reading 3 CCW 10% Reading 1 CCW 10% Reading 2 CCW 10% Reading 3 CCW 50% Reading 1 CCW 50% Reading 2 CCW 50% Reading 3 CCW 100% Reading 1 CCW 100% Reading 2 CCW 100% Reading 3
24.970 24.970 24.970 124.852 124.852 124.852 249.704 249.704 249.704 24.970 24.970 24.970 124.852 124.852 124.852 249.704 249.704 249.704
24.721 24.721 24.721 124.228 124.228 124.228 248.455 248.455 248.455 24.721 24.721 24.721 124.228 124.228 124.228 248.455 248.455 248.455
25.220 25.220 25.220 125.476 125.476 125.476 250.953 250.953 250.953 25.220 25.220 25.220 125.476 125.476 125.476 250.953 250.953 250.953
A A A
24.597 24.624 24.610 124.568 124.675 124.595 249.732 249.679 249.719 25.308 25.295 25.281 125.283 125.243 125.203 250.296 250.122 250.162
25.081 25.094 25.107 125.001 124.987 124.974 250.176 249.961 249.988 25.121 25.134 25.147 125.036 125.063 125.009 249.907 250.068 250.041
10 11 12 13 14 15 16 17 18
A A A
Standards Used:
Description
I.D.
Range
Units Accuracy
Cal. Due
Traceability #
WEIGHT SET 1 CLASS F PRIMARY STANDARD
10040 0.016 - 50
lb in
0.01% 0.05%
27-Sep-2025 08-Oct-2026
45435-081061
MOUNTZ W4.0 PRIMARY STANDARD RADIUS WHEEL 73354 4
724448
Work Performed By: R. COUCH TECHNICIAN
Reviewed By: CALIBRATION QC T. HOLLEY
Calibrations are performed using standards traceable through NIST or other National Metrology Institute to the International System of Units (SI). Calibration system complies with ANSI/NCSL Z540-1 and ISO17025. This information applies only to the instrument identified above and may not be reproduced, except in full, without prior written consent. Reported uncertainties are expressed as expanded values at approximately 95% confidence level using coverage factor K=2. There is no implied warranty that instrument will maintain its specified tolerance during the calibration interval. Decision Rule 1 is employed (measurement uncertainty is not taken into account) when making conformity statements unless otherwise specified .
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