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Multi-channel digital controller for gas detector |
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GMS-2500 is multi-channel digital controller to monitor gas leakages from more than one gas detectors simultaneously. GMS-2000 is composed of one alarming unit & more than one receiving units. While each receiving units in GMS-2000 receive density signals from external gas detectors, when the density becomes higher than alarm value, receiving units automatically give signal to alarming unit to sound alarm.
GMS-2500 transmits the relay output and standard current output signal 4-20㎃ to various controllers such as PLC, DDC, recorders, and computers for composition of integrated gas monitoring system.
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[ Features ] |
 Centralized gas monitoring is available by connection with more than one gas detectors. |
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Receiving 4-20㎃ analogue continuous signals from more than one gas detectors simultaneously and displaying the digital signals accurately by built-in high resolution A/D converter. |
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User programming alarm range, alarm delay time, and so on, by built-in micro processor. |
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Bar graph displays the alarming density for maximum visual effect. |
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Built-in high resolution D/A converter for accurate transmission of 4-20㎃ standard current output signal to external controllers (PLC/DDC). |
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High/low relay output for interlocking with external devices such as fan. |
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Robust aluminum alloy casing & frame. |
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[ Specification ] |
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Division |
1.1.1.1. GMS-2500 |
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Alarming unit (Power unit) |
±1% of reading or 1℃ |
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Product structure |
DIN TYPE |
DIN TYPE |
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Control structure. |
Alarm:Indicator1:1~64 |
Indicator: Sensor = 1:1 |
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Expansion structure. |
Slide Card Type |
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Input power |
AC 230V/60Hz |
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Output power |
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DC 24V(250㎃) |
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Input signal |
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4~20㎃ DC/F.S |
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Output signal |
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4~20㎃ DC/F.S, RS-485(Option) |
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Density indicating |
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F.N.D Display
%LEL(combustible),% (O2), PPM(toxic) |
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Power indicating |
Power supply indicating – POWER LED(GREEN) |
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Alarm indicating |
Alarm method |
Low Alarm - LOW LED(RED) |
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High Alarm – HIGH LED(RED) |
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Trouble Alarm – FAULT LED(YELLOW) |
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Alarm method |
Seeing – ALARM LED On/Off |
Seeing – Alarm LED On/Off |
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Hearing– Buzz(higher than 80㏈) |
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Alarm density |
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HIGH/LOW 2 step Alarm density –set by user. |
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Alarm delay time |
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0~99seconds, setting by user |
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Alarm lifting |
Manual and automatic returning |
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Alarm output |
SPDT RELAY output for HIGH/LOW 2 steps
SPDT RELAY output for FALULT alarm |
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Operating temp./humidity |
-20℃ ~ 50℃, 5 ~ 95%RH(Non-Condensing) |
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Exterior structure. |
19”(3U) Unit - Aluminum, Outer box of system - Metal Case |
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Output option |
RS-485 |
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Malaysia
