Digital Barometer-Altimeter and Compass model 230-044
Technical Characteristics:
Altitude measuring range: -700 to +9,000 m (-2,300 to +29,500')
Altitude resolution: 1 meter or 1 foot
Accuracy: within ± 5 m (16') 0-4000 m, ± 8 m (26') 4000-6000 m
Pressure measuring range: 300-1,100 mb (hPa) only
Pressure resolution: 1 mb (hPa), Absolute & Sea Level
Temperature measuring range: -10°C to +70°C (14°F to +158°F)
Temperature resolution: 0.1°F, 0.1°C
Compass: 0-360° with 1° resolution and 16 cardinal indicators
Clock: Date and time, 2 alarms, chronograph with 1/100 second resolution
Weather forecast display: 3 symbols
Display diameter: 36 mm (1.4")
Applications:
For determining pressure-change trends or logging altitude excursion and weather forecast prediction; It’s ideal for field use.
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Handheld Digital Barometer & Altimeter model 230-355
Technical Characteristics:
Accuracy: ± 0.02% F.S. (F.S. = 900 mm Hg abs)
Selection of engineering units: mm Hg, psi, in Hg, mbar, Bar, kPa, Torr
Temperature range:
*Storage: -40° to 120° F
*Operating: 23° to 122° F
Tare: Sets display to zero to allow measurement of vacuum, gauge pressure, or change in altitude
Display: 5 significant digit LCD (0.25" high)
Process connections: 1/8" female NPT, 316ss
Power: 9-volt alkaline battery with user enabled automatic shut off 9-volt lithium battery is recommended for use below 32°F (0°C)
Applications:
A combination of small size, digital display, versatility, and high accuracy make it ideal for field measurements or as a portable pressure reference.
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Dial Barometer model 230-P111
Technical Characteristics:
Sensor: aneroid bellows
Indicating range: 27.50-31.50 inches, 931-1067 millibars
Graduations: 0.05 inches, 1 millibar
Applications:
Door mounted, 230-P111 is a small but very effective and accurate barometric instrument, measuring barometric pressure from 931 to 1067 milibars.. Suitable for all uses, including, incubators, cellars, homes, museums, etc.
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Barograph model 230-7020-A Hi-Q
Technical Characteristics:
Sensor: 14-cell, 2" diameter aneroid bellows
Recording range: 940 to 1045 mb, 27.9" to 31" Hg, or 705 to 785 mm Hg
Accuracy: ± 1 mb, 0.03" Hg, 1 mm Hg
Operating elevation: 0 to 12,000 ft (0 m to 3,650 m)
Temperature compensation: Bimetal strip
Chart size: 3.5" H x 11.5" L (89 mm x 292 mm)
Graduations: 1 mb, 0.05" Hg, 1 mm Hg
Resolution: 1 mb, 0.025" Hg, 1 mm Hg
Clock type: 1.5 Vdc battery-operated (2 AA cells)
Drum rotation: 1 day (26 hrs), 7 days (176 hrs), or 31 days, switch selectable
Pen type: Cartridge
Size: 13" L x 9.5" H x 6" D (330 mm x 241 mm x 152 mm)
Weight/shipping: 9 lbs/16 lbs (4 kg/7.3 kg)
Applications:
The Model 230-7020-A Hi-Q Barograph is a precision instrument designed to continuously record atmospheric pressure.
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