Ametek JOFRA CTC-1200 A User Manual
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- Page 2 Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 TestEquipmentDepot.com User manual Temperature Calibrator JOFRA CTC-140/320/650 A/B JOFRA CTC-1200 A Copyright 2005 AMETEK DENMARK A/S (123199-UK)
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Page 10: Table Of Contents
List of contents 1.0 Introduction..............2 1.1 List of equipment received..........2 2.0 Safety instructions ............3 3.0 Operating the calibrator ..........8 3.1 Before use................. 8 3.2 Keyboard................. 11 3.3 Display ................11 3.4 Connections ..............12 3.5 Calibrator functions - overview......... 12 3.6 Selecting the set-temperature.......... -
Page 11: Introduction
Introduction CTC-calibrators are temperature calibrators designed to calibrate temperature sensors and temperature switches. Read this manual carefully before using the instrument and make sure that all safety instructions and warnings are observed. List of equipment received When you receive the instrument, the following should be enclosed: ... - Page 13 To ensure the connection to protective earth any extension cord used must also have a protective earth conductor. Only use a mains power cord with a current rating as specified by the calibrator and which is approved for the voltage and plug configuration in your area.
- Page 16 The humidity in the air may cause corrosion oxidation on the insertion tube inside the instrument. There is a risk that the insertion tube may get stuck if this is allowed to happen. If the calibrator is to be transported, the insertion tube must be removed from the well to avoid damage to the instrument.
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Page 19: Before Use
Caution ... • The well and the insertion tube must be clean before use. • The insertion tube must never be forced into the well. The well could be damaged as a result, and the insertion tube may get stuck. •... -
Page 22: Switch Test
3. 7 SWITCH TEST The SWITCH TEST function (cf. fig. 4) automatically locates the opening/closing temperatures of a thermostat. You must enter a T mi n and a T max-temperature which define the range within which the opening/closing temperatures are expected to be found. e;J. - Page 26 Remove the fuse box. Remove both fuses and insert two new fuses. These must be identical and should correspond to the line voltage. CTC-140: 115V, 2AT = 105014 / 230V, 1AT = 105007 CTC-320/650: 115V, 10AF = 60B302 / 230V, 5AF = 60B301 ...
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Page 28: Switching Off The Calibrator
Switching off the calibrator The following routine must be observed before the insertion tube is removed and the instrument switched off (cf. fig. 1): If the calibrator has been heated up to temperatures above 50°C/122°F, you must wait until the instrument reaches a temperature below 50°C/122°F before you switch it off. - Page 29 Test & Calibration Instruments AMETEK A business unit of AMETEK Measurement & Calibration Technologies Division offering the foNowlng Industry leading brands for test and cal i bration Instrumentation. JOFRA Calibration Instruments Temperature Csllbrators Portable dry-block calibrators, precision thermometers and liquid baths. Temperature sensors for Industrial and marine use.