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Time Electronics 7085A User Manual

Temperature distribution and 10 channel scanner module
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User Manual
7085A
Temperature Distribution and
10 Channel Scanner Module
Version 1.1
March 2021
Time Electronics Ltd
Unit 5, TON Business Park, 2-8 Morley Road,
Tonbridge, Kent, TN9 1RA, United Kingdom.
T: +44 (0) 1732 355993 | F: +44 (0) 1732 350198
mail@timeelectronics.co.uk | www.timeelectronics.com

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Summary of Contents for Time Electronics 7085A

  • Page 1 Temperature Distribution and 10 Channel Scanner Module Version 1.1 March 2021 Time Electronics Ltd Unit 5, TON Business Park, 2-8 Morley Road, Tonbridge, Kent, TN9 1RA, United Kingdom. T: +44 (0) 1732 355993 | F: +44 (0) 1732 350198 mail@timeelectronics.co.uk | www.timeelectronics.com...
  • Page 2 All rights reserved. Nothing from this manual may be multiplied, or made public in any form or manner, either electronically or hard copy, without prior written consent from Time Electronics Ltd. This also applies to any schematics, drawings and diagrams contained herein.

  • Page 3: Table Of Contents

    Time Electronics User Manual 7085A Temperature Distribution and 10 Channel Scanner Module v1.1 Contents Introduction ............................ 4 General Description ..........................4 Specifications ............................5 Operation ............................6 Operational Guidelines .......................... 6 Using Time Electronics Dry Block Calibrators ..................6 Thermocouple and RTD Connection ..................... 7 Cold Junction Compensation (CJC) ......................

  • Page 4: Introduction

    The multiple input connections aid the workload further by allowing up to 8 thermocouples to be tested at one time. The 7085A is an excellent solution that saves both time and resources by automation and batch testing capabilities.

  • Page 5: Specifications

    Time Electronics User Manual 7085A Temperature Distribution and 10 Channel Scanner Module v1.1 Specifications The 7085A interfaces with 7051, 8060, 8051 and 5065B modules. For Requirements automation EasyCal software is required on a control centre module or separate PC. Thermocouple Input 8 x inputs, connections via standard &...

  • Page 6: Operation

    For full usability a compatible Time Electronics Dry Block Calibrator and EasyCal Software must be used. Note: The 7085A cannot be used with the standard measure function of the 8060. It must be connected and operated via the AVM65 measure section and EasyCal software.

  • Page 7: Thermocouple And Rtd Connection

    9 and 10. 4 wire input connection is only available on channels 9 & 10 and the RTD terminal block. The 7085A can be used with a reference probe (see Time Electronics TERS range). Connect to TC channels...

  • Page 8: Cold Junction Compensation (Cjc)

    Cold Junction Compensation (CJC) The 7085A has a temperature display on the module. EasyCal software automatically reads the CJC from the 7085A in the testing application. When using a 7051 module the 7085A can be manually configured for operation.

  • Page 9: Connection To 7051 Or 8060 Modules

    Time Electronics User Manual 7085A Temperature Distribution and 10 Channel Scanner Module v1.1 Connection to 7051 or 8060 Modules 2.5.1 7051 Module 2.5.2 8060 Module (requires AVM65 option to be fitted) 7085A Temperature Distribution and 10 Channel Scanner Module Page 9 of 21...

  • Page 10: Using Easycal Software With The 7085A

    The dry block calibrator is automatically set to test points created, allowing time for the temperature to stabilise. The 7085A automatically switches between probes under test, plus reference probe if used, and the readings captured by the 7051 / 8060 AVM DMM modes.
  • Page 11 Time Electronics User Manual 7085A Temperature Distribution and 10 Channel Scanner Module v1.1 2.6.2.1 Input The input parameters apply to the dry calibrator and external reference probe is if used. The input range is set to the minimum and maximum test points required.
  • Page 12 For thermocouple sensors the CJC reference and thermocouple type options are available. In most cases the CJC reference is set to 7085. Use Scanner Tick this option to utilise the automatic switching capabilities of the 7085A 2.6.2.3 Details Number of devices under test This determines the number of channels which will be used.
  • Page 13 Time Electronics User Manual 7085A Temperature Distribution and 10 Channel Scanner Module v1.1 2.6.2.4 Test Details From the wizard a sequence of tests is created. Normally this is all that is necessary, but each test can be individually edited if required.
  • Page 14 Time Electronics User Manual 7085A Temperature Distribution and 10 Channel Scanner Module v1.1 2.6.3 Calibration Run (CalRun) The first test sets the dry block to the required temperature. CalRun displays the readings from the internal dry block reference or external reference probe as the temperature reaches the set point.
  • Page 15 The limits are ±2 °C. This is compared against the reference result of test 1 (25.080°C). The cold junction value (23.4°C) as measured by the 7085A is also displayed. Once the tests are completed for the first test point CalRun will set the dry block to the next test point required and the sequence is repeated.
  • Page 16 Time Electronics User Manual 7085A Temperature Distribution and 10 Channel Scanner Module v1.1 2.6.4 Example Calibration Certificate 2.6.5 Traceability of an External Reference Probe By default the external reference probe will not appear in the traceability section of the calibration certificate. Two methods are available to resolve this.

  • Page 17: Additional Applications

    Time Electronics User Manual 7085A Temperature Distribution and 10 Channel Scanner Module v1.1 Additional Applications Temperature Transmitters The same principals, as described in the previous chapter, can be applied temperature transmitters with integral probes. 7085A Temperature Distribution and 10 Channel Scanner Module...

  • Page 18: Thermocouple Simulation (7051 Module Only)

    7085A Temperature Distribution and 10 Channel Scanner Module v1.1 Thermocouple Simulation (7051 Module only) When using a 7051 to source simulated thermocouples the 7085A provides a suitable 4mm to thermocouple interconnection along with an improved cold junction reference. Connections Each 7085A thermocouple socket is connected in parallel with each red and black 4mm terminal.

  • Page 19: Custom Applications Using The 7085A

    Custom Applications Using the 7085A The 7085A is primarily utilised in temperature calibration on the CalBench. Because it is a 10 channel scanner the module can also be used for additional applications that require multi-channel measurements. For specific applications please consult Time Electronics for prior to purchase to ensure application coverage.

  • Page 20: Warranty And Servicing

    Time Electronics’ total liability is limited to repair or replacement of the product. Note that if Time Electronics determine that the fault on a returned product has been caused by the user, we will contact the customer before proceeding with any repair.
  • Page 21 Returning Instruments Prior to returning your product please contact Time Electronics. We will issue a return merchandise authorization (RMA) number that is to accompany the goods returning. Further instructions will also be issued prior to shipment. When returning instruments, please ensure that they have been adequately packed, preferably in the original packing supplied.

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