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| H9000
SERIES |
The H9000 Series Indicators are solid-state
analog/digital gauges which measure the
output of ANSI Type K thermocouples or
frequency input from a tachometer generator
or magnetic pick-up.
Since temperature and speed are the most
critical engine parameters used in monitoring
mechanical integrity, prolonged engine life
is dependent upon top-flight
instrumentation.
The H9000 Series Indicators supply the level
of accuracy needed to protect your
investment.
Pointer accuracy is ±0.6% of
full-scale, while digital accuracies are
±2 °C,
±0.1 %RPM.
These single-purpose indicators also have
pointer and digital redundancy, providing
exact readings on digital display and rate
data with the pointer. Maximum full-scale
response time for the H9000 indicators is two
seconds.
The H9000 Series Indicators are drop-in
replacements for Howell Instruments' own H900
Series Indicators that were designed in the
1970s.
The H9000 series indicators use current
technology to achieve a calculated MTBF (in
accordance with MIL-HDBK-217) of 12,000 hours
and they have demonstrated over 15,000
operational hours, which included over 49,000
power on-off cycles and greater than
8,000,000 total pointer sweeps of full
scale.
SPECIFICATIONS:
- Power Input: 28 VDC
nominal, 18 to 32 VDC. Unit requires 10
watts maximum.
- Signal Input:
Temperature - ANSI Type K Thermocouple.
Range 0 °C to 1200
°C. Frequency - 3.5 Hz to 20
KHz, 500 mV to 50 V RMS tachometer
generator. Range 5.0 %RPM to 120 %RPM.
- Digital Display: Four,
seven segment with decimal point, green LED
characters, NVG compatible per
MIL-L-85762A. Brightness automatically
controlled via an integral photoelectric
cell.
- Case: Per MS33639, 2 inch
diameter, 6.5 inches long, hermetically
sealed.
- Weight: 1.5 lbs.
maximum.
- Connector Interface:
MIL-C-26482 AND MIL-C-5052.
- Environmental:
DO-160C.
- Certification: TSO
C43c, C49b.
- Optional Integral
Lighting: 5 V to 28 V, white, red
or blue/white.
- Optional Warning Light: An
integral warning lamp can be supplied in
red, yellow, orange, and NVG blue/green.
Limits set to customer specifications.
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