SENKO SI-100 Fixed Gas Detector

SKU: N/A

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.

**This item is on back order, will be available by Mid October

**HART type is also not available for sale

ATEX Rating

Hazardous Area Rating

IECEx certified

Yes

$69300

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SENKO SI-100 Fixed Gas Detector

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:

MODELSI-100
Measuring gasCombustible Gas
Measuring methodCatalyticIR
Measuring range  0~100%LEL0~100%LEL
Sensor life time   > 5 years> 2 years
Response time   <15sec/90% scale<30sec/90% scale
Resolution  1%LEL1%LEL
MODELSI-100
Measuring gasToxic GasOxygen
Measuring methodElectrochemical cellGalvanic
Measuring range  ref. the Sensor list0~30%VOL
Sensor life time   > 2 years< 2 years
Response time   ref. the Sensor list<15sec/90%scale
Resolution  ref. the Sensor list0.1%VOL
MODELSI-100
Measuring typeDiffusion Type
Accuracy±3%/Full scale
Parameter ControlFront 3 magnetic switch(calibration, maintenance, alarm setting)
Operation mode displayVisual: LCD alarm display, LCD Backlight, Indicator LED Audible / buzzer (90dB at 10cm)
Measuring value displayDigital LCD Display(4-digit)
Alarm displayVisual : LCD alarm display, LCD Backlight, Indicator LED
Alarm output signalRelay contact(Max 30Vdc, 5A) when Alarm occurred
Alarm level setProgrammable within detection range
Output signalAnalog : 4-20mA, Digital : RS-485(Option) / Hart
PC interraceRS_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)
Conduit connectionNPT 3/4" (2way)
Mounting typeWall mount
Program set modeAlarm value(1,2 alarm), Alarm time(instant@delay) 1~30min, Alarm dead band, output on/off
Operating temperature-20ºC ~ +55ºC
Operating humidity5% to 95% RH(Non-condensing)
Operating power10~36Vdc 600mA
MaterialAluminium, Stainless steel(STS304)
LCD size55(W) × 30(H) mm
Dimensions150(W) × 165(H) × 110(D) mm
WeightStandard type: 1.9kg
ApprovalEx d IIC T5 (IP65)_IECEx, CE EMC, ATEX, CSA(Under certification)
OptionBattery type, Built-In light bar, Movable

SI-100 Sensor list:

GasSensorRange
OxygenO 2Electrochemical0~30%Vol
Carbon MonoxideCOElectrochemical0~500ppm
Sulfur DioxideSO 2Electrochemical0~20ppm
HydrogenH 2Catalytic0~100%LEL
HydrogenH 2Electrochemical0~1000ppm
Hydrogen SulfideH 2 SElectrochemical0~100ppm
Combustible-Catalytic0~100%LEL
Combustible-IR0~100%LEL
AmmoniaNH 3Electrochemical0~100ppm
AcetyleneC 2 H 2Catalytic0~100%LEL
EthanolC 2 H 6 OCatalytic0~100%LEL
TolueneC 7 H 8IR0~100%LEL
TolueneC 7 H 8Catalytic0~100%LEL
MethaneCH 4IR0~100%LEL
MethaneCH 4Catalytic0~100%LEL
ChlorineCl 2Electrochemical0~5ppm
ChlorineCl 2Electrochemical0~20ppm
Carbon DioxideCO 2IR0~2000ppm
Carbon DioxideCO 2IR0~5000ppm
Carbon DioxideCO 2IR0~5%Vol
Hydrogen ChlorideHClElectrochemical0~10ppm
VOCVOCPID0~1000ppm
XyleneC 8 H 10IR0~100%LEL
Hydrogen peroxideH 2 O 2Electrochemical0~10ppm
Nitrogen DioxideNO 2Electrochemical0~20ppm
Ethylene oxideC 2 H 4 OElectrochemical0~30ppm
EthyleneC 2 H 4Catalytic0~100%LEL
Nitrogen MonoxideNOElectrochemical0~100ppm
Hydrogen fluorideHFElectrochemical0~5ppm
GasA1A2Resolution
OxygenO 219.0%vol23.0%vol0.1%vol
Carbon MonoxideCO30ppm60ppm1ppm
Sulfur DioxideSO 22ppm5ppm0.1ppm
HydrogenH 215%LEL50%LEL1%LEL
HydrogenH 2100ppm500ppmwithin 5ppm
Hydrogen SulfideH 2 S10ppm15ppm1ppm
Combustible-15%LEL50%LEL1%LEL
Combustible-15%LEL50%LEL1%LEL
AmmoniaNH 325ppm35ppm1ppm
AcetyleneC 2 H 215%LEL50%LEL1%LEL
EthanolC 2 H 6 O15%LEL50%LEL1%LEL
TolueneC 7 H 815%LEL50%LEL1%LEL
TolueneC 7 H 815%LEL50%LEL1%LEL
MethaneCH 415%LEL50%LEL1%LEL
MethaneCH 415%LEL50%LEL1%LEL
ChlorineCl 20.5ppm1.0ppm0.1ppm
ChlorineCl 20.5ppm1.0ppm0.1ppm
Carbon DioxideCO 21000ppm1500ppm3ppm
Carbon DioxideCO 23000ppm5000ppm8ppm
Carbon DioxideCO 20.5%vol3%vol0.1%vol
Hydrogen ChlorideHCl1ppm2ppm0.1ppm
VOCVOC50ppm100ppmwithin 3ppm
XyleneC 8 H 1015%LEL50%LEL1%LEL
Hydrogen peroxideH 2 O 21ppm2ppm0.1ppm
Nitrogen DioxideNO 23ppm5ppm0.1ppm
Ethylene oxideC 2 H 4 O1ppm2ppm0.1ppm
EthyleneC 2 H 415%LEL50%LEL1%LEL
Nitrogen MonoxideNO25ppm50ppm1ppm
Hydrogen fluorideHF0.5ppm1ppm0.1ppm

Certifications:

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