Golgappa.net | Golgappa.org | BagIndia.net | BodyIndia.Com | CabIndia.net | CarsBikes.net | CarsBikes.org | CashIndia.net | ConsumerIndia.net | CookingIndia.net | DataIndia.net | DealIndia.net | EmailIndia.net | FirstTablet.com | FirstTourist.com | ForsaleIndia.net | IndiaBody.Com | IndiaCab.net | IndiaCash.net | IndiaModel.net | KidForum.net | OfficeIndia.net | PaysIndia.com | RestaurantIndia.net | RestaurantsIndia.net | SaleForum.net | SellForum.net | SoldIndia.com | StarIndia.net | TomatoCab.com | TomatoCabs.com | TownIndia.com
Interested to Buy Any Domain ? << Click Here >> for more details...

why r using 250 resistances

Answer Posted / ashraf

According to the HART Foundation spec, the 1200-2400 Hz HART signal needs a minimum (230 ohm) resistance in the loop to create a HART signal with enough amplitude to meet the sensitivity requirements of a HART modem receiver.

Is This Answer Correct ?    1 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what is the advantage of submersible level transmitter compare to ultrasonic level transmitter?

2003


How to calibrate smoke Dectector

1585


Area classification, Equipments, Gas groups, temperature classification, Ingress protection, Fire Extinguishers.

1921


Specify for Cables - Flame Retardant and Fire Resistant?

1989


Hi,can anyone help me out with PhD programs related to Instrumentation field?I have a degree in electronic Instrumentation?

1867


how works encoder in plc

2016


what are the documents(Construction point of view for a process plant) submitted by contactor initially entering in to new site for client?

2140


Drum level tx with GP4 with zero elevation:7300mmh20 on HP and 8050mmh2o on LP as range but on commissioning the tx readiing is max,Why this reading?

1882


Draw a group of instruments interlocked to a Pump & Motor?

1230


Questions on flow meters,few questions on HART protocol,

1941


who's take first position in process in the timing of new installation flow transmitter and control vavle. give the answer with logical trick.

5075


What is megering????

15336


how to calculate range of level transmitter?

2258


what is interface level and how it is calibrate?

2291


What is force balance principle? State some of its’ advantages.

1115