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DYNATIME® AC Series:
Subminiature
Hour Meters
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The
DYNATIME AC hour meter was developed to meet the most
difficult requirements of many military and aerospace
applications. Available in 400 Hz and 60 Hz configurations,
the recently upgraded DYNATIME series hour
meters meet
or exceed an array of tough environmental specifications
including shock, vibration, and temperature.
In addition,
it has been approved to MIL-M-7793. A variety of mounting
configurations are available.
See Standard
Cases & Mounts and Pin
Headers information. We also welcome inquires
for special requirements.
Cleared for Public Domain Release
by Directorate of Freedom of Information and Security
(DFOISR), dated April 17, 2000, reference number 00-S-1235
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| Features |
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Rugged Design |
| • |
Hermetically Sealed |
| • |
Qualified to MIL-M-7793* |
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*See the Military
Cross Reference for more military qualified
models. |
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| The 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.
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Transient Protection: As applicable, 180
VRMS up to 0.15 seconds. |
| Insulation
Resistance: MIL-STD-202, Method 302, Condition
B |
| Dielectric:
As applicable to meter standard |
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Accuracy: 0.1% over temperature/voltage
range
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Case:
Copper Nickel or Brass with flat painted finish.
E and F mounts are nickel-plated case with flat black
painted face.
Max
case length: 1.094in. |
| Flange:
Steel or Brass |
| Terminals:
Solder Hook |
| Weight:
Will not exceed 0.6 ounces with flange |
Numerals:
.035" wide, .078" high.
Hour digits are white on black. Tenths are red on white.
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| ENVIRONMENTAL
SPECIFICATIONS |
| Operating Temperature
Range: -65 to +125°C |
| Shock: MIL-STD-202,
Method 213, Condition I |
| Vibration: MIL-STD-202,
Method 204, Condition B |
ORDERING INFORMATION
When ordering, show
model number first (D), then nominal voltage, case type,
maximum hours (4 or 5 digit), mount type and mount setback
desired. If this is a special part, the factory modification
number will be added at the end of the ordering number.
This order chart lists standard features. Special ratings
and configurations are also available. |
Example: D95C8CE-16
D
- 95 - C
- 8 - C
- E - 16
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Voltage
Nominal
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Case
Type
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Maximum
Hours
4 Digit / 5 Digit
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Mount Type
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Mount
Setback
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Popular
Factory Codes
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| 25 = 26V/400
Hz. |
B = 4
Digit Round |
3 = 999.9/N/A |
A = no
mount |
A = Flush |
Code |
Description |
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92 = 115V/60Hz
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C = 4
Digit Square
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8 = 9999/9999.9 |
Others available
see below
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1 |
Rotated
90° Type C, C7, V, W Mount
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95 = 115V/400Hz
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D = 4
Digit Square (Side-Read)
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9 = N/A/99999
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14 |
4-40
Clinch Nuts, For Type C Mount |
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Others
available
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G = 5
Digit Rectangle
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16 |
Tin-plate
front Mt. & Type C Mount |
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136 |
Tin plate front mount Type C (M7793/1 &
/2), C7, V & W |
Standard
Cases & Mounts
For
Setback Dimensions see "X" Dimension for Military
Series
For
proper installation, please follow these instructions.
Standard
Cases & Mounts for M7793
M7793/8
M7793/9
M7793/10
Standard
& Straight Pin Headers
NOTE:
Dim. in ( ) are mm. Tolerances: Decimals: ± .010 (0,25) Fractions:±
1/64
| This
PDF contains a printable version of the hard copy
catalog page. |
 |
L-3-EDI
ETI-AC.pdf |
|
Note: Viewing and printing PDF files requires the
free Adobe Acrobat Reader program. You can download
Acrobat Reader from Adobe's
web site. |
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