Knick 트랜스미터


Model	270	276	278
Description	Premium barometric pressure sensor	Low-cost barometric pressure transducer	Low power barometric pressure transducer
Sample Applications	High accuracy barometric pressure measurement, Data buoys, Remote weather stations, Engine test cells	Environmental monitoring systems, Wind measurement systems, Weather & environmental data logging,	AWS, Data buoys and ships, Agriculture metrology, AWOS/ASOS systems
Gauge (PSIG)	•
Compound (PSIC)
Absolute (PSIA)	•	•	•
Vacuum (PSIV)
Ranges (PSI)	600/800 to 1,100 mb/hPa, 5 to 100 PSIA	600/800 to 1,100 mb/hPa, 20 PSIA	500/600/800 to 1,100 mb/hPa
Accuracy FS (RSS) or % of reading	±0.03% FS, ±0.05% FS	±0.25% FS	Between ±0.3 and ±2.5 mb/hPa (range dependent)
Operating temperature	-18° to 80°C	-18° to 80°C	-40 to 60°C
Compensated temperature range	-1 to 49° C	-1 to 55° C	NA
Thermal effect % FS/100°F (% FS/50°C)	Barometric: ±0.2 (0.18) Other: ±0.1 (0.09)	±1% FS	Please view data sheet
Media compatibility	Non-condensing air or gas compatible with hard adonized aluminum, alumina ceramics, gold, flourocarbon elastomer sealant & Buna-N O-ring	Non-condensing air or gas compatible with stainless steel, alumina ceramics, gold, and elastomer	Non-condensing air or gas
Output	0 to 5 VDC (24 VDC Exc.), 0 to 5 VDC (12 VDC Exc.)	0.1 to 5.1 VDC (12 VDC / 24 VDC Exc.), 0.5 to 4.5 VDC (5 VDC Exc.)	0 to 2.5 VDC (9.5 to 28 VDC Exc.), 0 to 5 VDC (9.5 to 28 VDC Exc.)
Electrical terminations	Cable	Cable	5-pin terminal block
Pressure fittings	1/8” NPT Int.	1/8” push tube fitting, 1/8” NPT Ext.	1/8” barbed fitting

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