Oxygen Indicator and Alarm
KS-7O
Aplication
- Clean rooms for semiconductor factory
- Various test rooms for continous monitoring of oxygen deficiency and the safety under construction
Features
- Clear flowing lamp for gas alarm.
- Automatic backup to operate under electric power failure for more than 2 weeks (350 hrs).
- Small and lightweight for easy installation.
Specifications
| Model | KS-7O |
| Gas Detected | Oxygen |
| Detection Range | 0 to 25.0 vol% or 0 to 50.0 vol% |
| Concentration Indication | LCD 3-digit digital, 0.1vol% 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% |
| 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/m |
| 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 |
| Other Functions | Maintenance mode, alarm stop |
| Operating Temperature/humidity | -10 to +40 °C / 30 to 85 %RH |
| Power Source | 24 VDC ±10% |
| Power Consumption | Monitoring: 1W, During alarm: 3W |
| Dimensions | W82 x H150 x D35 mm (excluding protrusions) |
| Weight | Approx. 300g |
| Options | Separate Sensor Unit KS-7OF, Battery Unit KS-7xB |
Approvals
Connectable Alarm Units
V3 type M, UV-810