Features

Features

  • āļāļēāļĢāļ•āļĢāļ§āļˆāļˆāļąāļšāđāļāđŠāļŠāļ—āļĩāđˆāļŦāļĨāļēāļāļŦāļĨāļēāļĒ : āļĢāļ­āļ‡āļĢāļąāļšāļāļēāļĢāļ•āļĢāļ§āļˆāļˆāļąāļšāđāļāđŠāļŠāļ­āļ­āļāļ‹āļīāđ€āļˆāļ™ (O2), āļ„āļēāļĢāđŒāļšāļ­āļ™āļĄāļ­āļ™āļ­āļāđ„āļ‹āļ”āđŒ (CO) āđāļĨāļ°āļ„āļēāļĢāđŒāļšāļ­āļ™āđ„āļ”āļ­āļ­āļāđ„āļ‹āļ”āđŒ (CO2)
  • āļāļēāļĢāļ­āļ­āļāđāļšāļšāļ—āļĩāđˆāļāļ°āļ—āļąāļ”āļĢāļąāļ” : āļ‚āļ™āļēāļ”āđ€āļĨāđ‡āļāđāļĨāļ°āļ™āđ‰āļģāļŦāļ™āļąāļāđ€āļšāļē āļ•āļīāļ”āļ•āļąāđ‰āļ‡āļ‡āđˆāļēāļĒāđƒāļ™āļžāļ·āđ‰āļ™āļ—āļĩāđˆāļˆāļģāļāļąāļ”
  • āļāļēāļĢāđāļŠāļ”āļ‡āļœāļĨāļ—āļĩāđˆāļŠāļąāļ”āđ€āļˆāļ™ : āļŦāļ™āđ‰āļēāļˆāļ­ LCD āļžāļĢāđ‰āļ­āļĄāđ„āļŸ LED āđāļĨāļ°āđ€āļŠāļĩāļĒāļ‡āđ€āļ•āļ·āļ­āļ™āđƒāļ™āļ•āļąāļ§ āđāļŠāļ”āļ‡āļŠāļ–āļēāļ™āļ°āļāļēāļĢāļ•āļĢāļ§āļˆāļˆāļąāļšāđāļĨāļ°āļāļēāļĢāđāļˆāđ‰āļ‡āđ€āļ•āļ·āļ­āļ™āđ„āļ”āđ‰āļ­āļĒāđˆāļēāļ‡āļŠāļąāļ”āđ€āļˆāļ™
  • āļāļēāļĢāļ—āļģāļ‡āļēāļ™āļ•āđˆāļ­āđ€āļ™āļ·āđˆāļ­āļ‡āđƒāļ™āļāļĢāļ“āļĩāđ„āļŸāļŸāđ‰āļēāļ”āļąāļš : āļĢāļļāđˆāļ™ KS-7O āđāļĨāļ° KS-7D āļĄāļēāļžāļĢāđ‰āļ­āļĄāđāļšāļ•āđ€āļ•āļ­āļĢāļĩāđˆāļŠāļģāļĢāļ­āļ‡āļ—āļĩāđˆāļŠāļēāļĄāļēāļĢāļ–āļ—āļģāļ‡āļēāļ™āļ•āđˆāļ­āđ€āļ™āļ·āđˆāļ­āļ‡āđ„āļ”āđ‰āļĄāļēāļāļāļ§āđˆāļē 2 āļŠāļąāļ›āļ”āļēāļŦāđŒ (350 āļŠāļąāđˆāļ§āđ‚āļĄāļ‡) āđƒāļ™āļāļĢāļ“āļĩāđ„āļŸāļŸāđ‰āļēāļ”āļąāļš
  • āļāļēāļĢāļĢāļ§āļĄāļĢāļ°āļšāļšāļ—āļĩāđˆāļĒāļ·āļ”āļŦāļĒāļļāđˆāļ™ : āļĢāļ­āļ‡āļĢāļąāļšāļāļēāļĢāđ€āļŠāļ·āđˆāļ­āļĄāļ•āđˆāļ­āļāļąāļšāļĢāļ°āļšāļšāļ•āļĢāļ§āļˆāļˆāļąāļšāđāļāđŠāļŠāļœāđˆāļēāļ™āļŠāļąāļāļāļēāļ“āļ­āļ™āļēāļĨāđ‡āļ­āļ 4-20mA āđāļĨāļ°āļĢāļĩāđ€āļĨāļĒāđŒāļ āļēāļĒāđƒāļ™āļŠāļģāļŦāļĢāļąāļšāļāļēāļĢāļ„āļ§āļšāļ„āļļāļĄāļāļēāļĢāđ€āļ›āļīāļ”-āļ›āļīāļ”āļĢāļ°āļšāļš

Specifications 

ModelKS-7OKS-7DKS-7R
Target GasOxygenCarbon MonoxideCarbon Dioxide
Sensor TypeGalvanic CellElectrochemicalNDIR Sensor
Detection Range0-25.0 vol% 
or 0-50.0 vol%
0-75 ppm
or 0-150 ppm
or 0-250 ppm
or 0-400 ppm
0-5,000 ppm 
(minimum detectable concentration: 360 ppm)
Detection MethodDiffusion type
Gas Concentration DisplayLCD digital 3 digits
Resolution 0.1 vol% (with backlight)
LCD digital 4 digits
Resolution 1 ppm (with backlight)
LCD digital 4 digits
Resolution 5 ppm (with backlight)
Alarm Set Value
  • For 25.0 vol%:
    1st alarm 19.0 vol%
    2nd alarm 18.0 vol%
  • For 50.0 vol%: 
    1st alarm 18.0 vol%
    2nd alarm 25.0 vol%
F.S. 75 ppm: 25/50 ppm
F.S. 150 ppm: 50/100 ppm
F.S. 250 ppm: 50/150 ppm
F.S. 400 ppm: 50/150 ppm
1st alarm: 2,000 ppm
2nd alarm: 5,000 ppm
Alarm Accuracy
  •  Within Âą0.7 vol% (when the indicated concentration is 25.0 vol% or less)
  • Within Âą3.0 vol% (when the indicated concentration is 25.1 vol% or more)
Within Âą30% of alarm set value0°Cï―ž+40°C: Âą5%F.S.
Other ranges: Âą10%F.S.
Alarm DelayFrom a concentration of 10.0 vol%, it takes 5 seconds or less to reach 18.0 vol% (20Âą2°C)Alarm within 60 seconds with test gas 
(Test gas concentration F.S. 75 ppm: 40 ppm, other cases: 80 ppm))
T50: 50 seconds
T60: 60 seconds
T90: 90 seconds
Alarm Indication
  • 1st stage: Orange LED flashing, status display lamp orange slide lighting, buzzer sound output
  • 2nd stage: Red LED flashing, status display lamp red slide lighting, buzzer sound output
  • Sound pressure: 70dB or more/1m
  • Alarm operation: automatic return (default) or self hold function
Power SupplyDC24VÂą10%
AC100VÂą10%, 50/60HzÂą10%
DC24VÂą10%
Power ConsumptionAC100V type: 2VA during monitoring, 6VA during alarm
DC24V type: 1W during monitoring, 3W during alarm
DC24V type: 1W during monitoring, 3W during alarm
External Outputs
  • Gas concentration analog output: DC 4-20mA
  • Gas alarm contact (1st and 2nd stages): 1a non-voltage contact/ self hold function (standard) or automatic return (cancel by reset switch)
    (Rated load: AC125V, 0.5A DC30V, 2A resistive load)
Operating Temperature-10 to +40°C-5 to 40°C-10 to 50°C
Operating Humidity30 to 85% RH30 to 85% RH0 to 85% RH
External DimensionsW82×H150×D35 mm
WeightApprox. 300g
Compliance Standards CE (EMC & RoHS directives) 
(*only for DC24V type)
Other FeaturesMaintenance mode function, alarm sound stop function
OptionalSeparate sensor unit (KS-7OF), battery unit

 



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