|
0...+50°C |
| Measurement range VOC: |
0-100% (good / bad air quality, referring to the calibration gas) |
| Accuracy: |
±15% FS |
| Long term stability: |
< 15% FS/year at norm load |
| Sensor: |
VOC: metal oxide sensor, Temperature: resistance sensor |
| Response time (t90): |
max. 60 s |
| Sensor protection: |
screwable stainless steel sinter filter |
| Supply voltage: |
24 V AC/DC (±5%) |
| Current consumption: |
max. 60 mA |
| Analogue output 0-10 V: |
3-wire connection, min. load resistance 100 kOhm |
| Alarm output: |
1 x potential-free change-over contact, 48 V, 1 A |
| Switching Hysteresis Relay: |
2% FS (without Display), 0,5...5% FS adjustable (with Display) |
| Electrical connection: |
screw terminals max. 1,5 mm² |
| Display: |
optional LCD display with backlight on/off/auto |
| Automatic calibration: |
The automatic VOC calibration takes place every 7 days, this compensates for any drifts and achieves excellent long-term stability. To ensure this function, the device must be supplied with power for at least 7 days without interruption and ventilated with fresh air once for approx. 10 minutes within this period. The automatic calibration can be deactivated if necessary and performed manually. |
| Running-in time: |
1 h |
| Initial operation: |
After switch-on of the device follows a self-test and the tempering, which takes ca. 1 h depending on the environmental conditions. At this time the analogue output drifts from the actual measurement value. |
| Material: |
Protection tube: metal |
| Cable gland: |
PG11 high-strength cable gland with strain relief |
| Housing: |
Polycarbonate PC UL 94 V0 with hinge locks, color signal white similar to RAL 9003 |
| Dimensions: |
Housing: L 89 x W 80 x H 47 mm, Protection tube: Ø 16 x 190 mm |
| Weight: |
250 g |
| Protection type: |
Housing/electronic: IP65, Sensor: IP30 |
| Protection class: |
III |
| Working range r.H.: |
0...98% r.H. in contaminant-free, non-condensing air |
| Working temperature: |
0...+50°C |
| Manual calibration: |
The manual VOC calibration of the output signal to 1V (zero point) is started by pressing the button on the circuit board (hold down for approx. 5 seconds until the LED flashes). Before that, continuous operation of min. 2 hours with air defined as normal air quality. The LED is deactivated after successful calibration. |
| Storage temperature: |
-20...+50°C |
| Installation: |
mounting flange (in scope of delivery) |
| Approvals: |
CE, EAC, RoHS |
