Time Constant Calculation Apparatus

To be used for the Time Constant Calculation of time constant of mercury (glass bulb ) thermometer.  It uses heating mantle, round bottom flask. oil/water. thermocouples. gl ss bulb thermometers, temperature controller etc

Time Constant Calculation Apparatus Specification

  • Water Bath.lce Flask, Hot water tank with Heat Plate, Thermocouples & Temperature Sensors, K Type, 1 Type, RID (PT-100)
  • Control Panel & Software designed in LABVIEW environment to run under any Window platform
  • Time Constant Calculation – 220V/AE, 50 Hz
  • Data acquisition system of Apparatus

CALCULATION AND EXPRESSION OF RESULTS

Ignoring the highest 10% and lowest 10% of peaks, determine the mean peak strength, in grams, for each specimen.

REPORT

The mean peak strength, in grams, for each specimen, indicating the state of the specimen (i.e. original or washed).

N.B.This test method has been developed by Technicare Services Auto Garments have adopted this method with their permission and it should not be reproduced in whole or part without prior agreement with Technicare Services.

TEST REPORT SUBMISSION PROCEDURES –BASE TESTS

Base Fabric Test Reports must be submitted to Auto Garments by e mail at the following address:

Base Test Reports are required for all NEW fabrics which are supplied and testing is carried out on all physical aspects. 

All reports must be received from the approved test house in PDF Format. Reports must not be scanned.

A cover sheet must be attached to the report

If it is not possible to use the actual form supplied then the supplier must create their own to the same set out containing the same information.

The e mail header must contain the following information:            

  • Base Test
  • Style Number
  • Season
  • Agent
  • Supplier
  • Department Number

BULK TESTS

Bulk Fabric Test Reports must be submitted to Auto Garments by e-mail at the following address:

  • One style per E-mail
  • Reports should be submitted as soon as testing is complete
  • Failures must be submitted to the Fabrics Department for approval (send tested pieces where applicable) before despatching. These must be detailed in the comments section on the attached front cover sheet.

All reports must be received from the approved test house in PDF Format, reports must not be scanned.

A cover sheet must be attached to the report

If it is not possible to use the actual form supplied then the supplier must create their own to the same set out containing the same information.

The e mail header must contain the following information:

  • Bulk Test
  • Style Number   
  • Season
  • Supplier           
  • Department Number

Approval of the test report will be sent by e mail. A report is not approved until this confirmation has been received for Time Constant Calculation