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American Huarui SP-1003 series wall mounted alarm controller
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American Huarui SP-1003 series wall mounted alarm controller


The SP-1003 series controller is a gas alarm controller that adopts wall mounted and disk mounted installation methods. It has the characteristics of simple installation and easy operation, and is suitable for measuring and controlling various standard 4-20mA signals. The electronic circuit adopts advanced microcontroller processing technology, which ensures stable working state, high measurement accuracy, and strong universality of the whole machine. The controller operates in a patrol mode. This controller can set two levels of alarm values and emit corresponding sound and light alarm signals after reaching the predetermined alarm point.


Adopting wall mounted and disk mounted designs, including 2-channel, 4-channel, 8-channel, and 16 channel controllers, to meet the needs of different users

Multiple signal outputs, easy to connect to industrial control systems such as PLC/DCS

2. 4. The 8th channel adopts ultra high brightness LED display, which is intuitive and clear

16 channels adopt large screen dot matrix LCD display, Chinese menu

On site sound and light indicators can provide management personnel with intuitive and clear information on the current level of environmental hazards being monitored

Two level alarm value setting, different sound and light signals indicate different alarm levels

Equipped with lock display and self check function, convenient for maintenance

Equipped with a backup power supply to ensure that the main power can still work normally for more than 2 hours after being cut off





Working power supply 220VAC,50Hz(0.5A)
emergency power supply 2-channel 12V, 2.2Ah; 4/8/16 channels 12V, 7Ah
Output power supply 16VDC,500mA
way of working On-Site Inspection
Sample Rate 2/4/8 channels: 125 milliseconds/channel, 16 channels: 62.5 milliseconds/channel
power Power 2 channels 20W, 4 channels 30W, 8 channels 50W, 16 channels 80W (full load)
Input signal 4~20mA (2-wire/3-wire detector)
alarm record First alarm channel number display, alarm location display, alarm event recording
Alarm setting Over limit (upper limit) alarm, two-level limit values can be set
Alarm Independent LED lights at all levels and sound alarms of different frequencies distinguish different alarm levels
ALARM IN Two level passive alarm relay/circuit
CONTACT CAPACITY 220VAC,5A
communication interface RS485
ambient temperature -20℃ ~+55℃
ambient humidity 0~90% RH (no condensation)
environmental pressure 86kPa ~106kPa
Display mode 2/4/8 channels: Ultra high brightness LED 16 channels: 240 × 64 dot matrix LCD
resolution 0.01 (0~99)/0.1 (100~999)/1 (1000~2000)/0.1 (oxygen)
Measurement accuracy < ±1%
External dimensions 320mm × 220mm × 100mm (HWD)/2 channels
470mm × 310mm × 115mm (HWD)/4, 8 channels
500mm × 350mm × 135mm (HWD)/16 way wall mounted
133mm × 606mm × 250mm (HWD)/16 way disc installation
weight 6.0kg/2 route; 12.0kg/4, 8 routes; 13.0kg/16 route
CMC Beijing System Number CMC Beijing System Number
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