| Product Range |
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| PRESSURE INSTRUMENTS |
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| Pressure Gauges |
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| Pressure Transmitters |
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| Pressure Switch |
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| Differential Pressure Switch |
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| Digital Pressure Gauge |
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| AS311 |
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| VE100 |
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| LEX1 |
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| LEO2 |
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| PGDTP |
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| Differential Pressure Transmitter |
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| TEMPERATURE INSTRUMENTS |
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| LEVEL INSTRUMENTS |
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| FLOW INSTRUMENTS |
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| HUMIDITY INSTRUMENTS |
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| CLEANROOM INSTRUMENT |
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| HVAC / BMS SENSORS |
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| AIR QUALITY SENSOR |
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| WATER QUALITY SENSOR |
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| VAV BOXES |
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| BTU METER |
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| VALVES |
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| INDICATORS & CONTROLLERS |
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| DATALOGGER |
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| PORTABLE INSTRUMENTS |
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| ACCESSORIES |
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| ONLINE CATALOGUE |
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| CATALOGUE REQUEST |
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| AS311: Digital Pressure Gauge |
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Model |
: AS311 |
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Temperature |
: -10 to 50°C |
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Range |
: 0 to 700 bar |
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Battery Life |
: 2000 Hours |
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Accuracy |
: ± 0.5% of F.S |
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Output |
: NIL |
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| Description |
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he AS311 series is a media isolated digital pressure gauge featuring multiple measurement units, min/max readings, selectable tare/zero and an automatic power
off to conserve battery power. Also, a backlight provides improved visibility under marginal lighting conditions.
The AS311 will operate with any liquid or gas that is compatible with 17-4PH stainless steel. Please consult the factory for other available wetted materials.
The design of this one-piece sensing element contains no silicone oil, welds or internal O-rings. The AS311 is ideal for oxygen service, hydrogen* tanks and other critical applications where fluid filled gauges cannot be used. |
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| Specifications |
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Display Update Rate |
: 2 samples per second |
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Power |
: 9 Volt Alkaline Battery |
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Automatic Power Off |
: 1 Hour |
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Battery Life |
: 2000 Hours Operation (typical) |
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Protection Rating |
: NEMA 4, IP 65 |
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Instrument Case |
Poly carbonate |
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| Performance @ 25°C (77°F) |
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Pressure Range |
: A number of preset ranges are available |
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Measurement Units |
: PSI, BAR, kg/cm, ATM, InH20, InHg |
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Accuracy |
: <±0.5% BFSL (Includes Non-linearity,
Hysteresis and Non-repeatability) |
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Stability (1 year) |
: ±0.25% FS (typical) |
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Over Range Protection |
: 2X Rated Pressure |
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Burst Pressure |
: 5X or 20,000 PSI whichever is less |
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Pressure Cycles |
: >100 Million |
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| Environmental Data |
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Temperature |
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Media |
: -55 to 125°C (-67 to 257°F) |
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Operating (Ambient) |
: -10°C to 70°C (14°F to 158°F) |
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Storage |
: -10°C to 85°C (14°F to 185°F) |
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Thermal Limits |
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Compensated Range |
: 0°C to 55°C (32°F to 131°F) |
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TC Zero |
: <±1.5% of FS |
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TC Span |
: <±1.5% of FS |
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