background image

 

INSTUM_01378

 

Pag. 

1/12 

 

  

 
 
 
 
 
 
 

Thermo-hygrometer 

with current outputs 

cod. DMA867 and DMA875 

 

User manual 

 

 
 

 

 
 

 

 

 

Содержание DMA867

Страница 1: ...INSTUM_01378 Pag 1 12 Thermo hygrometer with current outputs cod DMA867 and DMA875 User manual...

Страница 2: ...g humidity in high temperature environments 6 4 Diagnostics 7 4 1 External visual check 7 4 2 Internal visual check 7 5 Maintenance 8 5 1 Cleaning the antiradiant shield 8 5 2 Cleaning the measuring e...

Страница 3: ...th natural DMA875 and forced DMA867 ventilation to achieve measuring conditions equivalent to a Stevenson shelter 1 1 Notes about this manual Document INSTUM_01378_en Update on 9 Mar 2015 The informat...

Страница 4: ...pected malfunctions In case of suspected malfunction do not power the instrument and contact authorized technical support immediately Do not set working the product in an explosive atmosphere Before y...

Страница 5: ...o drawing DISACC5901d when a forced ventilation radiation shield is in use feed the fan engine with a suitable power supply 2 4 Dip switches configuration The factory settings are Electric output 4 20...

Страница 6: ...ur The first one refers to every category of exchange type humidity sensor the second one is typical of capacity measurement humidity sensors a The layer of dew over the measuring element can reach 0...

Страница 7: ...models proper operation 4 2 Internal visual check Draw out the sensor from the shield and 1 Check that the porous filter protecting the sensitive element is properly clean see 5 2 2 Check that the hyg...

Страница 8: ...substances presence the sensitive element deteriorate faster than the one placed in a location with less adverse conditions It is anyway a good rule to replace the sensitive element at least once ever...

Страница 9: ...waste of electrical and electronic equipment RAEE For this reason at the end of its life the instrument must be kept apart from other wastes LSI LASTEM is liable for the compliance of the production s...

Страница 10: ...o Principle Pt100 thermoresistance o Range selectable from Variant 1 30 70 C 50 100 C 50 50 C 0 100 C Variant 2 40 60 C 50 60 C 50 70 C 30 100 C o Accuracy 0 2 K 23 C o Resolution 0 04 C o Responce ti...

Страница 11: ...larity o Electrical discharge on power and sensor input Max dissipable power 600 W 10 1000 s Connections o IP65 7 pin connector for Power line Signal outputs o Ambient probe Line cable to terminal blo...

Страница 12: ...C Part 3 2 Limits Limits for harmonic current emissions equipment input current 16 A per phase EN 61000 3 3 1995 A1 2001 Electromagnetic compatibility EMC Part 3 3 Limits Limitation of voltage changes...

Отзывы: