Brief introduction

EX-D11-C explosion-proof weighing instrument adopts explosion-proof method and can be connected with Keli E-type explosion-proof digital sensor. It is suitable for measuring applications with explosion-proof requirements such as chemical and pharmaceutical industries.

Explosion proof grade: Exd (iallCGa) llBT4Gb meaning:

Meaning of identification content symbols

Explosion proof declaration EX complies with certain explosion-proof standards, such as China's national standards

Explosion proof method d adopts explosion-proof method

Gas category LLB allows the involvement of explosive gases (typical gas ethylene) in LLB category

Temperature group T4: The surface temperature of the instrument does not exceed 135 degrees. Explosion proof certificate number: GYB13.1560X

2、 Characteristics and basic functions

Keli E-type explosion-proof digital sensor; Support automatic weighing method;

Automatic angle adjustment difference and manual angle adjustment function; Nonlinear correction function;

Digital sensor internal code viewing function; Rapid detection function of digital sensor status;

Support viewing addresses by pressing corners; Support abnormal detection of group scales;

Configure large screen interface and RS485 communication interface;

Explosion proof method adopts explosion-proof type;

3、 Main technical parameters

Digital sensor interface: RS485 mode, maximum transmission distance ≤ 40 meters

Transmission rate: 19200bps;

Intrinsic safety parameters of sensor interface power supply terminal:

Uo=16V,lo=800Ma,Pi=3.2W

Co=2.75Uf,Lo=0.1Mh

Intrinsic safety parameters of sensor interface communication terminal:

Uo=12.8V.lo=322Ma.Pi=1.1W

Co=1.06Uf.Lo=0.3Mh

Number of digital sensor connections: 1-8

Digital Sensor Communication Protocol: Core-E Protocol

Keyboard: 16 metal keys

Display: 7-digit LED digital display, 7 status indicators;

Large screen interface: 20mA current loop constant current source serial output, baud rate 600,

Transmission distance: ≤ 100 meters;

RS485 communication interface: standard RS485 configuration, baud rate 2400-19200 optional

Instrument power supply: Main power supply AC 110-220V, 50Hz;

Exterior dimensions: 440 × 350 × 152mm;

Self weight: about 20 kilograms