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Your Price:
$23.70 (You save $1.25)
Shipping Weight:
0.32 LBS

Product Description

This timer can be used for ignition of sustainer motors in multistage rockets and ignition of air-started auxiliary motors. It can also be used for accurately timed deployment of recovery devices in lieu of the sometimes variable delay times associated with the motor's built-in delay grain.  Delay time can be set with 0.1 second resolution via an on-board pushbutton.

The microTimer2’s small size makes it suitable for use in a wide variety of applications.  Igniter continuity is reported via an onboard LED, with a provision for connecting an external audio beeper.

Download the Operation Manual for this product.


  • Easy to set delay time is field adjustable from 0.6 seconds to over 60 seconds in 0.1 second steps.
  • Uses space-saving LED for delay reporting and continuity check, with provision for adding external full-function beeper. Beeper provides audible igniter continuity check, powerup reporting of current delay time setting, and post-flight siren to aid in rocket location.
  • High current capacity allows use of multiple igniters in clusters. Brown-out protection during firing allows 100% power delivery to igniter without worry of reset.
  • High accuracy digital time setting is retained in EEPROM memory even with power removed.
  • Solder pads for user wiring.
  • Automatic trigger sense configuration (normally open/normally closed) allows use with G-switch, breakwire, pull-pin, etc.
  • False trigger filtering -- trigger condition must be met for 0.5 second in order to start timing cycle.
  • Rugged SMD construction, stringent QC testing, and internal self-diagnostics assure reliability.
  • Measures just 0.9"L x 0.7"W x 0.35"H, fits in 18 mm tube, weighs 0.12 oz. Maximum current: 39.5A for 1ms, 9.4A for 1 second.
  • Backed by a full three year warranty.


0.9"L x 0.7"W x 0.35"T
3.5 grams
operating voltage:
4.8V to 10.5 V (3.0V to 4.8V at half current rating)
operating current:
1.0 ma no continuity, 3.0 ma with continuity
max. firing current:
39.5A for 1 ms, 21.8A for 10 ms, 9.4A for 1 second
cont. check current:
75 uA/V
normally-open or normally-closed
timing range:
0.6 second to over 60 seconds in 0.1 second steps
timing accuracy:
+/- 3% typical
operating temp.:
0C to +70C

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