Features
Specifications
Model | KS-7O | KS-7D | KS-7R |
Target Gas | Oxygen | Carbon Monoxide | Carbon Dioxide |
Sensor Type | Galvanic Cell | Electrochemical | NDIR Sensor |
Detection Range | 0-25.0 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 Method | Diffusion type | ||
Gas Concentration Display | LCD 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 |
| 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 ±30% of alarm set value | 0°C~+40°C: ±5%F.S. Other ranges: ±10%F.S. |
Alarm Delay | From a concentration of 10.0 vol%, it takes 5 seconds or less to reach 18.0 vol% (20±2°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 |
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Power Supply | DC24V±10% AC100V±10%, 50/60Hz±10% | DC24V±10% | |
Power Consumption | AC100V 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 |
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Operating Temperature | -10 to +40°C | -5 to 40°C | -10 to 50°C |
Operating Humidity | 30 to 85% RH | 30 to 85% RH | 0 to 85% RH |
External Dimensions | W82×H150×D35 mm | ||
Weight | Approx. 300g | ||
Compliance Standards | CE (EMC & RoHS directives) (*only for DC24V type) | ||
Other Features | Maintenance mode function, alarm sound stop function | ||
Optional | Separate sensor unit (KS-7OF), battery unit |