background image

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 

key 

   MEM  

 . The function field should then show 

an abbreviation for the parameter and the main 

field should show the value currently set. 

To select from all possible parameters press 

keys : 

   M▲  

 or 

   M▼  

Measuring range 
Automatic switch OFF time in minutes: see 10.2

Function locking : see 10.3

To enter a value 

first press :

   ON    

 and the value starts 

flashing. 
   To modify the value press keys :

   M▲  

 or 

   M▼  

 

   Entry is completed by again pressing key : 

   ON    

 

To terminate configuration

 at any time press key :

   MEM   

10.1 Measuring ranges 

The following measuring ranges can be set via menu item ´

type

´. 

Transducer 

Type 

Measuring range    Units Abbrevi-

ation 

NiCr-Ni        

 K

-200.0...+1370.0

°C 

NiCr

NiCroSil-NiSil 

 N

-200.0...+1300.0

°C 

NiSil

Fe-CuNi         

 L

-200.0...  +900.0

°C 

FECO

Fe-CuNi       

 J

 -200.0...  +950.0

°C 

IrCo

Cu-CuNi      

 U

  -200.0...  +600.0

°C 

CUCO

Cu-CuNi       

 T

 -200.0...  +400.0

°C 

CoCo

PtRh10-Pt

 S

0.0...+1760.0

°C 

Pt10

10.2 Automatic switch OFF 

In menu item ´

AOFF

´ an automatic device switch OFF time can be programmed 

in minutes; this will help save the batteries. This automatic device switch OFF 

will not take effect if the setting is ´- -´. 

 THERM 2420

11  

 

 

    

AOFF 

 

 

    

type 

 

Loc 

Содержание THERM 2420

Страница 1: ...____________________________ Operating instructions Temperature measuring instrument THERM 2420 V1 2 27 11 2007 www ahlborn com...

Страница 2: ...V REL Relative measuring 3 Operating keys ON OFF Switch the device on To switch device OFF press and hold down M M Meas point selection MAX MIN Max min value clear press and hold down MEM Measured va...

Страница 3: ...ation 6 7 CONNECTING THE TRANSDUCERS 6 8 DISPLAY AND KEYPAD 7 8 1 Display 7 8 2 Keypad 8 9 MEASURING OPERATIONS 9 9 1 Measured value 9 9 2 Measured value functions 9 9 3 Peak value memory 10 9 4 Measu...

Страница 4: ...r pos sible use the original packaging material for dispatch and enclose a clear and informative description of the fault and of the conditions in which it occurs This guarantee will not apply in the...

Страница 5: ...se substantial measuring errors You are advised therefore to wait until the device has adjusted to the ambient temperature before starting to use it Do not run sensor lines in the vicinity of high vol...

Страница 6: ...ry capacity drops to approx 10 percent the LOBAT arrow will appear in the display If the batteries are completely dis charged the device will switch off To replace old batteries first unscrew the batt...

Страница 7: ...omprises 41 2x 7 segment digits b for depicting various measuring functions a there are also 2 arrows e for depicting the operating status Function field Main field Display of measuring functions in t...

Страница 8: ...nction is locked This appears briefly Overshoots measuring range Maximum value flashes Undershoots measuring range Minimum value flashes 8 2 Keypad To operate the device a keypad with 7 keys is provid...

Страница 9: ...on field you will see the abbreviation for the thermocouple see Section 10 1 All special operating states possible for the measured value are explained in Section 8 1 9 2 Measured value functions By p...

Страница 10: ...20 any measured value can be saved To save the measured value press key MEM The currently saved value then ap pears in the function field preceded by the symbol M To jump back to the operating range d...

Страница 11: ...fy the value press keys M or M Entry is completed by again pressing key ON To terminate configuration at any time press key MEM 10 1 Measuring ranges The following measuring ranges can be set via menu...

Страница 12: ...eck the power supply charge the battery switch off and then on again If necessary re initialize see 6 2 Error Measuring functions or relative measuring cannot be started Remedy Check device configurat...

Страница 13: ...2kV IEC 61000 4 3 1995 A1 1998 A2 2000 3V m The following advisory notes must be observed when operating the device 1 If the standard sensor is extended 1 5 meters care must be taken to ensure that t...

Страница 14: ...ype J 200 0 950 0 C Cu CuNi Type U 200 0 600 0 C Cu CuNi Type T 200 0 400 0 C PtRh10 Pt Type S 0 0 1760 0 C Millivolt 10 000 55 000 mV Standard equipment LCD Measured value 5x 7 segment 15 mm 2x 16 se...

Страница 15: ...maximum value 9 3 10 Measured value 9 1 9 Measured value functions 9 2 9 Measured value memory 9 4 10 Measuring input 13 1 14 Measuring operations 9 9 Measuring ranges 10 1 11 Order no 13 2 14 Peak va...

Страница 16: ...13 Appendix 13 4 Your contact 16 THERM 2420...

Отзывы: