Elapsed Time Indicator AC Series

The AC meter was developed to meet the most difficult
requirements of many military and aerospace applications.
Available in 50Hz, 60Hz and 400Hz configurations, the AC
series meters meet or exceed an array of tough environmental
specifications including shock, vibration, and temperature. A
variety of mounting configurations are available. We also welcome inquires for special


    Rugged design
    Hermetically sealed
    Case: Copper nickel or brass, with durable black finish.
    E and F mounts are nickel-plated case with black face.
    Max. case length: Short version: 1.094 in.
    Long version: 2.082 in.
    Flange: Brass
    Terminals: Solder hook
    Weight: 0.4 ounces maximum without mount
    0.6 ounces maximum with C flange
    Numerals: .035″ wide, .078″ high. Hour digits are white on
    black. Tenths are red on white.
    Operating Temperature Range: -65 to +125°C
    Shock: MIL-STD-202, Method 213, Condition I
    Vibration: MIL-STD-202, Method 204, Condition D
    Meters meet or exceed applicable requirements of MIL-M-7793
    M7793/3, /4, /6, /8, /9, /10 (if QPL’d) MS27650 & 27651.
    Special ratings and configurations are also available.
    Transient Protection: As applicable, 180 VRMS up to
    0.15 seconds
    Dielectric: 350 VRMS @ 80,000 ft., 600 VRMS @ sea level
    Insulation Resistance: MIL-STD-202, Method 302, Condition B
    Accuracy: 0.1% over temperature/voltage range
  • Power Consumption:
    D21 & D25= .015 Watts
    D91, D92, & D95 = .3 Watts
    Reading Allowed at time of Shipments: Meters can be
    delivered with +/- 1 hour upon delivery per MIL-DTL-7793

Documents & downloads

Military Cross Reference Guide ALDERSElapsed Timendicators AC Series
Daniel Jennen
Daniel Jennen
Sales Director, Vice President
dje@alders.de +49 2152 8955-210