Related Manuals for Ahlborn THERM 2420
Summary of Contents for Ahlborn THERM 2420
- Page 1 ____________________________ Operating instructions Temperature measuring instrument THERM 2420 V1.2 27.11.2007 www.ahlborn.com...
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Page 2: Operating Controls
Measured value memory Relative measuring, Adjust sensor, cancel: press and hold down To switch ON with press keys : Reinitialization Device configuration M▲ Softwareversion Rear of device (4) Battery compartment 3 AA alkaline-manganese batteries THERM 2420... -
Page 3: Table Of Contents
10. DEVICE CONFIGURATION ..............11 10.1 Measuring ranges ................11 10.2 Automatic switch OFF ..............11 10.3 Function locking ................12 11. TROUBLE-SHOOTING ................12 12. ELECTROMAGNETIC COMPATIBILITY (EMC) ........13 13. APPENDIX ....................14 13.1 Technical data ................14 13.2 Product overview ................14 13.3 Index....................15 13.4 Your contact..................16 THERM 2420... -
Page 4: General
When you unpack the device check carefully for any signs of transport damage and ensure that delivery is complete. Measuring instrument THERM 2420 with 3 AA alkaline batteries These operating instructions In the event of transport damage please retain the packaging material and in- form your supplier immediately. -
Page 5: Handling Batteries / Rechargeable Batteries Correctly
Before you touch any sensor lines, ensure that all static electricity has been discharged. 4. INTRODUCTION The THERM 2420 measuring instrument has just one measuring input with a miniature thermal socket suitable for connecting most thermocouple sensors. For operation purposes the device incorporates a large LCD display and a key- pad. -
Page 6: Initial Commissioning
The various possible types and their measuring ranges are listed in Section 10.1. To con- nect your own existing sensors you simply need the appropriate miniature ther- mal connector, ensure that these are correctly polarized. THERM 2420... -
Page 7: Display And Keypad
8. DISPLAY AND KEYPAD 8.1 Display The display (5) on the THERM 2420 measuring instrument is a 2-row LCD ar- rangement; the main field comprises 5x 7-segment digits (d) plus 2x 16-seg- ment digits (c) for depicting the measured value; the function field comprises 41/2x 7-segment digits (b) for depicting various measuring functions (a);... -
Page 8: Keypad
Displaying the maximum value : (see Section 9.3) To delete press and hold down Displaying the minimum value : (see Section 9.3) To delete press and hold down Zero-setting the measured value : (see Section 9.5) To delete press and hold down THERM 2420... -
Page 9: Measuring Operations
To select the measured value function press keys : M▲ M▼ Units in °F Voltage in mV Cold junction temperature By default changing the measured value functions is locked in the device configuration (display ´LOC´) and must first be unlocked(see Section 10.3). THERM 2420... -
Page 10: Peak Value Memory
As soon as you clear the memory, the current measured value will appear (be- cause measuring is continuous). 9.4 Measured value memory On the THERM 2420 any measured value can be saved. To save the measured value press The currently saved value then ap- pears in the function field preceded by the symbol ´M´. -
Page 11: Device Configuration
Device configuration 10. DEVICE CONFIGURATION On the THERM 2420 measuring instrument a number of parameters can be configured. To do so when switching ON press and hold down . The function field should then show an abbreviation for the parameter and the main field should show the value currently set. -
Page 12: Function Locking
Measuring functions and relative measuring (default) 11. TROUBLE-SHOOTING The THERM 2420 measuring instrument can be configured. If in certain cir- cumstances the device does not respond exactly as it should, the cause of such unexpected behavior is only very rarely a device defect; more usually it is incorrect operation by the user, an invalid setting, or unsuitable cabling. -
Page 13: Electromagnetic Compatibility (Emc)
Electromagnetic compatibility (EMC) 12. ELECTROMAGNETIC COMPATIBILITY (EMC) The THERM 2420 measuring instrument complies in full with the safety re- quirements specified in the EU directive relating to electromagnetic compatibili- ty (EMC) (89/336/EWG). The following standards have been applied in evaluating the product. -
Page 14: Appendix
(storage temperature -20 to +60 °C) Ambient relative humidity : 10 to 90 % rH (non-condensing) 13.2 Product overview Temperature measuring instrument THERM 2420 Order no. 1 measuring input , 2-row LCD, 7 keys, 3 AA batteries MT 24201L THERM 2420... -
Page 15: Index
Peak value memory Power supply 13.1 6, 14 Product overview 13.2 reference value reinitialization Relative measuring Scope of delivery Suitable conditions 13.1 supply voltage monitoring Switching ON / OFF Technical data 13.1 To switch OFF To switch ON Trouble-shooting Warranty THERM 2420... -
Page 16: Your Contact
13. Appendix 13.4 Your contact THERM 2420...