NOTE: Keep Alive (Pin 9) is only required if alkaline AA size battery is removed. Flight Time starts with either
Pin 3 or Pin 4 – use only one pin.
SPECIFICATIONS
n
Greenwich Mean Time: 24 hour format.
n
Local Time: 12 hour format.
n
Flight Time: Records in 99:59 standard.
n
Flight Time Alarm: Full set range flight time.
n
Elapsed Time Count Up: Starts in minutes,
seconds, then hours, minutes up to 99:59 hrs.
n
Elapsed Time Count Down: Settable from
one second to 59 minutes, 59 seconds.
n
Elapsed Time Alarm: Activates at zero
when counting down.
n
LCD Display
n
Battery Type: AA size alkaline.
n
Keep Alive Current: .00004 Amps.
n
Input Current: .2 Amps.
n
Input Voltage: 11 to 28 volts.
n
Voltage Range: 8 volts to 32 volts ±.2 volts Typ.
-55°C to +100°C ±2°C Typ.
n
Temperature Range: -67°F to +212°F.
n
Crystal Reference: -40C to + 60C .001%.
n
Weight: 5.02 ounces.
n
Warranty: 1 year.
ELECTRICAL
MECHANICAL
5
4
3
2
1
9
8
7
6
- +
+
Alarm Out
Keep Alive .00004A
Ground to start Flight Time
Dimming 5V (240ma), 14V (240ma) or 28V (100ma) lighting
4V to 28V Starts Flight Time
Temperature Sensor (White)
14 to 28 Volts, 2A
Temperature Sensor (White/Blue Stripe)
GND
Audio Alarm
.25A
Battery
(),,#2%347!9
2%$7//$#)49%MERALD(ILLS#!
WWWDAVTRONCOM
2.10
1.375
2.83
1.675
.080
M803
Alkaline “AA” Battery
Locking Connector
Positronics MD9F-20J-VL
1.875
TYP.
2.22
2.375
TYP.
Mounting Hardware 4-40x
3
/8
FEATURES - O.A.T. / VOLTS
ß
ONE button control steps sequentially through
E, F, C:
E - Voltage
F - O.A.T. Fahrenheit
C - O.A.T. Centigrade
ß
Always selects to read voltage on power up for
battery status check.
ß
Input voltage - 11 to 28 volts.
ß
Internal lighting 5v,14v or 28v specify when
ordering.
ß
2.25” standard mount - wt. 5.02 oz.
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