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The KS-7 series is a fixed diffusion type gas detector suitable for NON-ATEX environments. It's an ideal detector for environmental detection of O2, CO and CO2. The internal LED, buzzer and clear LCD display make it very suitable for stand-alone applications. Via the internal relay contacts easy shut down functions are possible. The detector is 24Vdc operated and via the 4-20mA output is can be easily integrated in larger gas detection systems with controllers or PLC's.
There are 3 different models:
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Features
- Clear flowing lamp for gas alarm.
- Automatic backup to operate under electric power failure for more than 2 weeks (350 hrs). (KS-7O and KS-7D only)
- Small and lightweight for easy installation.
Accessories
- Calibration gas adaptor
Gases
| Detectable gases | |
|---|---|
| Carbon dioxide | CO2 |
| Carbon monoxide | CO |
| Oxygen | O2 |
Specifications / Approvals
| Model | KS-7O | KS-7D | KS-7R |
|---|---|---|---|
| Gas Detected | Oxygen (O2) | Carbon Monoxide (CO) | Carbon Dioxide (CO2) |
| Detection Range | 0 to 25.0 vol% or 0 to 50.0 vol% | 0 to 75 ppm, 0 to 150 ppm, 0 to 250 ppm, or 0 to 4000 ppm | 360 to 5000ppm |
| Concentration Indication | LCD 3-digit digital, 0.1vol% resolution (with backlight) | LCD 4-digit digital, 1ppm resolution (with backlight) | LCD 4-digit digital, 5ppm resolution (with backlight) |
| Alam Set Value | For 25.0vol%: 1st stage 19.0vol%, 2nd stage: 18.0vol% For 50.0vol%: 1st stage 18.0vol%, 2nd stage: 25.0vol% |
For F.S. 75ppm: 25/50ppm For F.S. 150ppm: 50/100ppm For F.S. 250ppm: 50/150ppm For F.S. 400ppm: 50/150ppm |
AL1: 2000ppm AL2: 5000ppm |
| Alarm Indication | 1st stage: Orange LED blinks, flowing Orange status lamp 2nd stage: Red LED blinks, flowing Red status lamp Buzzer: more than 70 dB/1m |
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| External Output | Gas concentration analog output: 4-20m ADC Gas alarm contact for 1st and 2nd stage: 1a non-voltage Latching (standard) or non-latching |
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| Other Functions | Maintenance mode, alarm stop | ||
| Operating Temperature/humidity | -10 to +40 °C / 30 to 85 %RH | -5 to +40 °C / 30 to 85 %RH |
-10 to +50 °C / 0 to 85 %RH (No rapid temp. or humidity changes, no condensation) |
| Power Source | 24 VDC ±10% | ||
| Power Consumption | Monitoring: 1W, During alarm: 3W | ||
| Dimensions | W82 x H150 x D35 mm (excluding protrusions) | ||
| Weight | Approx. 300g | ||
CE Declaration of Conformity
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