AS-3100J Combustible gas alarm controller

Product features

★ Standard DC (4 ~ 20) mA signal input，versatility;

★ Embedded simple to install, easy to operate,can be used with the control cabinet;

★ Industrial use of the LCD screen, all Chinese display interface having a cylindrical concentration;

★ Black box function, storing 1000 data;

★ The CPU adopts high-grade single-chip microcomputer, which has fast running speed and high precision;Ø

★ With RS485 communication interface and  DC（4~20）mA output function;

★ Zero and calibration of its displayed values;

★ With fault alarm output contact, low limit alarm output contact, high limit alarm output contact and sound and light alarm output contact four sets of output contacts.

Technical Parameters

♦ Installation method：Cabinet panel mounting

♦ Display mode：LCD

♦ Measuring range:0～100%LEL，0～1000×10^-6（Full range adjustable），0～35%VOL（Full range adjustable）

♦ Display accuracy：≤±1%F.S

♦ Alarm mode：Sound and light alarm

♦ Control quantity:1 detector

♦ Receiving signal：DC（4～20）mA current signal

♦ Fault signal：≤2mA

♦ Alarm settings： Low limit alarm ：adjustable（the factory default 25% of full scale）   High limit alarm ：adjustable（the factory default 50% of full scale）

♦ Output Voltage：DC 24V±10%

♦ Record alarm information：Can store 1000 pieces of information，the oldest record automatically cleared after 1000

♦ Communication interface：RS-485

♦ Operating voltage：   Automatic switching of mains and backup power (backup power is optional)

        Main power：AC 187V～242V   

               Backup power：1.3AH/12V、1 knot

♦ Power consumption:＜3W

♦ Output control：With low and high concentration alarm output contacts, sound and light alarm output contacts and fault alarm output contacts（Capacity:3A/220VAC、3A/30V）

♦ Transmission distance：1.5km（Loop resistance＜20Ω）

♦ Ambient Temperature：（0～+40）℃

♦ Relative Humidity：（10～95） %RH   

♦ Pressure Range：（86～106） kPa

♦ Weight：6.5kg/10.5kg（with backup battery）

♦ Package size：490mm×390mm×200mm

Shape and installation dimensions

Terminal block description

This device can be assembled in the form of a cabinet

Dimensions：2200mm×800mm×800mm