499 ATEX Pneumatic


timer

    Interested in our counters, but still have change requests? We are happy to modify it for you so that it fits perfectly.

    Learn more

    • Tel.: +49 / 7424 - 89 - 0
    We will be pleased to help you.

    • Hengstler GmbH
      Uhlandstr. 49
      78554 Aldingen
    • Tel. +49 / 7424 - 89 -0
    • Support request
    Preset1 preset
    DisplayTime range
    DigitsTime range
    FunctionTime counter (with ATEX)
    Product Family499 ATEX Pneumatic timer
    TechnologyPneumatic
    Digit Height [mm]
    • 1.5 mm x 4 mm white/black (preset time)
    • 1.5 mm x 3 mm white/black (remaining time)
    Resetpneumatic reset
    Count Inputsubtracting
    Time Setting
    • positive (NC version): after the set time has elapsed, input 1 is connected to output 2
    • negative (NO version): after the set time has elapsed, input 1 to output 2 is disconnected
    Reset Timetimer 1 is started when input 1 is pressurized
    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 Pressure2 - 6 bar
    Air QualityFiltered, dried and unlubricated air according to ISO 8573-1: 2010 [7:4:4]
    Filter Pore Widthdesigned for use with compressed air. Operation with other media/pure gases upon request
    Degree of Protection< 40 µm
    Vibration Resistanceuse suitable filters when necessary
    Shock Resistance
    • IP40 with connected hoses.
    • IP55 when using a transparent hinged cover (see Accessories)
    Susceptibility to Magnetic Interference
    • Timer: 30m/s^2 (10-500Hz)
    • Reset: 50m/s^2 (10-500Hz)
    Noise Level400m/s^2 (5ms)
    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]48x24x60
    Mountingfront panel installation or DIN-rail attachment
    Mounting PositionAny position (preferred reading direction)
    Mounting Depth [mm]57,5 mm
    Front Panel Cutout45 x 22,2 mm
    Weight [g]approx. 50 g (3.2 oz)
    Connectionhose coupler M5
    Repeating Accuracycontinuous with rotary knob
    Refresh Time200ms (For resetting at input „1“)
    Setting Accuracy
    • Depends on version:
    • 0.2 - 3 s: ± 0.1 s
    • 2 - 30 s: ± 0.3 s
    • 8 - 120 s: ± 1.2 s
    • 20 - 300 s: ± 3 s
    Meets PTB Requirements
    • Depends on version:
    • 0.2 - 3 s: ± 0.3 s
    • 2 - 30 s: ± 0.6 s
    • 8 - 120 s: ± 3 s
    • 20 - 300 s: ± 6 s

    The convenient Type 499 timer with ATEX features compact fitting dimensions and can, as a result of its standard DIN dimensions, also be fitted to a DIN rail system. The unit features a stationary preset value and settable time range from 0.2 to 300 seconds. Type 499 timers do not require a continuous air supply.
    The ATEX version of pneumatic timer 499 is certified for use in potentially explosive atmospheres where there is a risk of gas or dust explosion, zones 1 and 21 as well as for Mining (category M2).