Product brief introduction: BWQ intelligent full input temperature transmitter is a modern electronic manufacturing technology, software technology and communication technology crystallization, is a set of high precision, high reliability and excellent management and stability of multi-functional intelligent instrument. It is completely compatible with HART field bus protocol. With seismic, temperature, pressure, humidity resistance and other characteristics, can be installed in a hazardous environment. As the measuring instrument can be widely used in metallurgical, petrochemical, power, light industry, textile, food, national defense and scientific research departments and other fields.

Model

BWQ D ( explosion ) intelligent total input temperature transmitter by national instruments explosion-proof safety supervision and inspection station ( NEPSI ) review, explosion-proof safety performance in line with GB3836.1- 2000 and GB3836.2 -2000of the relevant requirements, explosion-proof symbol is ExdⅡ BT4, explosion-proof certificate No. GYB01503, applied to the scene in the presence ofⅡ B grade following the explosive gas mixture.

BWQi type ( SAFE ) the intelligent input temperature transmitter by national instruments explosion-proof safety supervision and inspection station ( NEPSI ) review, explosion-proof safety performance in line with the relevant requirements of GB3836.12000and GB3836.42000sign Exia ⅡCT4, explosion-proof, explosion-proof certificate No. GYB01504, applied to the scene in the presence ofⅡ C level below the explosive gas mixture place.

Technical parameters

Thermal resistance Ptl00, Cul00, Cu50

0-2000ohm resistor

Voltage from -10 to100 MV

Output signal:4-20mADC +HART signal digital signal

Basic error: level 0.2( recommended minimum range, see Table 1)

Temperature drift:≤ 0.02% / degrees C.

Output mode: a two-wire bus power supply

Display mode:5liquid crystal display

Operating temperature: -25-+70 degrees (including LCD header)

Relative humidity:5%～ 95%

Mechanical vibration: F ≤55Hz, amplitude of <0.15ram

Working voltage: minimum12.5 volts; up to 45 volts; rated voltage of 24V Volts

Rated load:250 ohms, load characteristic is shown in Figure 1

The explosion-proof certification: ExialICT4, ExdlIBT4

Input / output insulation resistance: more than 20000000000000 ohm

Input / output isolation voltage: greater than 500 volts