| Preset | none |
| Display | Number disc |
| Digits | |
| Function | Totalizing counter (with ATEX) |
| Product Family | 495 ATEX |
| Technology | Pneumatic |
| Digit Height [mm] | 4 mm (0.2 in) |
| Reset | - button reset
- pneumatic reset
- without reset
|
| Count Frequency [Hz] | 5 Hz |
| Pulse Length min. | 8 ms (count input Z) |
| Count Input | adding |
| Sense of Rotation | - counting 30 x 10^6 pulses
- reset 1.5 x 10^6 Pulses
|
| IP Protection Class | - IP40 with connected hoses.
- IP55 when using a transparent protection cover (see Accessories)
|
| Operating Temperature [°C] | - 0
+ 60°C
- Maximum compressed air temperature: 30°C
|
| Service Pressure | 2 - 6 bar |
| Air Quality | Filtered, dried and unlubricated air according to ISO 8573-1: 2010 [7:4:4] |
| Filter Pore Width | designed for use with compressed air. Operation with other media/pure gases upon request |
| Degree of Protection | < 40 µm |
| Vibration Resistance | use suitable filters when necessary |
| Shock Resistance | - IP40 with connected hoses.
- IP55 when using a transparent hinged cover (see Accessories)
|
| Susceptibility to Magnetic Interference | 50 m/s^2 (164 ft/s^2) acc. IEC 0682-6 |
| Noise Level | 400 m/s^2 (1312 ft/s^2) acc. IEC 068 2-27 |
| Cable Length | - ATEX Approval:
- Gas: Ex II 2G Ex h IIB T4 Gb (0°C ? Ta ? 60°C)
- Dust: Ex II 2D Ex h IIIB T120°C Db (0°C ? Ta ? 60°C)
- Mining: Ex I M2 Ex h I Mb (0°C ? Ta ? 60°C)
|
| Size [mm] | Panel: 60(56)x50(40)x65 |
| Mounting | front panel installation |
| Mounting Position | any |
| Dimensions [mm] | flush mounting: 56 x 40 x 65 mm (2.0x1.6x2.6 in) or 60 x 50 x 65 mm (2.3x1.9x2.6 in) |
| Mounting Depth [mm] | 63 mm |
| Front Panel Cutout | 52 x 26 mm |
| Weight [g] | approx. 70 g (2.5 oz) |
| Connection | hose coupler M5 |
Pneumatic totalizing counters Type 495 with ATEX allow impressively easy installation using hose coupler or rapid-fit connector and have maintenance-free operation. This integrated totalizing counter is available in two designs, with either 6 or 8-digit display. Type 495 panel mount version is available without a reset function or with manual or pneumatic reset.
Pneumatic counter 495 with ATEX is officially certified and approved for use in hazardous explosive areas, where there is a risk of gas or dust explosion, zones 1 and 21 as well as for Mining (category M2).
