There are flammable (Catalytic pellistor and NDIR) and hazardous (oxygen and NDIR) gas detection options available with the SI 100 R. There are more than 30 sensor choices to choose from.
Explosion-proof to ATEX standards, the gadget includes an onboard local display for monitoring gas levels and making final configurations without having to open the enclosure. The SI-100 R has integrated alarm and fault relays in addition to a typical 4-20mA output signal.
The SENKO SI-100 Intrinsically Safe Fixed Gas Detector holds ATEX Zone 1 certification and finds application in hazardous environments housing potentially flammable gas atmospheres. Approved by IECEx and KCS, this detector serves as a constant sentinel for perilous gases like toxic radon and carbon monoxide. Offering permanence in gas detection, the SENKO SI-100 not only showcases gas concentrations but also presents diagnostic results on its LCD display. It establishes communication with the controller through either a traditional 4-20 mA analog output or an RS-485 digital connection.
Comprised of top and bottom case assemblies along with a sensor component assembly, the SENKO SI-100 features an enclosure constructed using threaded and glued connections. The ADC12 AL material composition ensures robustness. Noteworthy attributes include a voltage range spanning 9 to 34 VDC (with a maximum consumption of 130 mA at 12 V), an ambient temperature tolerance of -20 to +55 °C, and a maximum power consumption of 1.6 W. Designed for wall mounting, it boasts a construction combining aluminum and stainless steel (STS304) and holds an IP65 rating, signifying resilience against environmental elements.
Features:
ATEX Zone 1
Class I Division I
IECEx
Measures the concentration of the flammable gas, toxic gas, oxygen and display with LCD
Various sensors can be applied
Easy operation with a magnetic bar
Large digital LCD embedding blue backlight
Explosion-proof
Water/Dustproof structure
Automatic calibration function
Long-distance transmission by 4-20mA output
Specifications:
MODEL
SI-100
Measuring gas
Combustible Gas
Measuring method
Catalytic
IR
Measuring range
0~100%LEL
0~100%LEL
Sensor life time
> 5 years
> 2 years
Response time
<15sec/90% scale
<30sec/90% scale
Resolution
1%LEL
1%LEL
MODEL
SI-100
Measuring gas
Toxic Gas
Oxygen
Measuring method
Electrochemical cell
Galvanic
Measuring range
ref. the Sensor list
0~30%VOL
Sensor life time
> 2 years
< 2 years
Response time
ref. the Sensor list
<15sec/90%scale
Resolution
ref. the Sensor list
0.1%VOL
MODEL
SI-100
Measuring type
Diffusion Type
Accuracy
±3%/Full scale
Parameter Control
Front 3 magnetic switch(calibration, maintenance, alarm setting)
Operation mode display
Visual: LCD alarm display, LCD Backlight, Indicator LED Audible / buzzer (90dB at 10cm)
Measuring value display
Digital LCD Display(4-digit)
Alarm display
Visual : LCD alarm display, LCD Backlight, Indicator LED
Alarm output signal
Relay contact(Max 30Vdc, 5A) when Alarm occurred
Alarm level set
Programmable within detection range
Output signal
Analog : 4-20mA, Digital : RS-485(Option) / Hart
PC interrace
RS_485(Option)
Cable/Distance
(4-20mA and Power: CVVSB 1.5sq or AWG 20 / 2,500m max), (RS-485 data communication cable: UL2919 RS-485 1pair / 1,200m max)
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