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| | | PTU300 | | BAROMETRIC PRESSURE | | |
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| | | Technical Data | | |
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| | | Performance | | |
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| | | Factory calibration uncertainty (+20 °C ) (Defined as ±2 standard deviation limits. Small variations possible, see also calibration certificate.) | | |
| | | Barometric pressure | | |
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| | | | | | | | | | | 500 ... | 1100 hPa, 50 ... | 1100 hPa | | | | . 1100 hPa 500 | ... 1100 hPa 50 | ... 1100 hPa | | | | Class A | Class B | | | | | ±0.05 hPa | ±0.10 hPa | ±0.20 hPa | | | | ±0.03 hPa | ±0.03 hPa | ±0.08 hPa | | | | ±0.03 hPa | ±0.03 hPa | ±0.08 hPa | | | | ±0.07 hPa | ±0.15 hPa | ±0.20 hPa | | | | ±0.10 hPa | ±0.20 hPa | ±0.30 hPa | | | | ±0.1 hPa | ±0.1 hPa | ±0.3 hPa | | | | | | | | | | |
| | | ± 0.6 % RH (0 ... 40 %RH) ± 1.0 % RH (40 ... 97 %RH) | | |
| | | Pressure range Accuracy 5 Linearity Hysteresis* Repeatability* Calibration uncertainty** Accuracy at +20 °C***" Temperature | | |
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| | | for typical applications
| | Vaisala HUMICAP® 180 or 180R* | | |
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| | | for applications with chemical purge/warmed probe Vaisala HUMICAP' 180C or 180RC* with grid + steel netting ilter 20 s / 50 s* with sintered ilter 40 s / 60 s* * with HUMICAP' 180R or 180RC sensor_ Inputs and outputs_ | | |
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| | | dependence**** Total accuracy | | |
| | | | | | | | | | | | | hPa | ±0.25 | hPa | ±0.45 | hPa | | | | hPa | ±0.1 | hPa | ±0.2 | hPa | | | | 2 s. | | 1 s. | | 1 s. | | | | | | | | | | | | |
| | | (-40 ... +60 °C/-40 ... +140 °F) ±0. Long-term stability/year ± Response time (100 % response) one sensor | | |
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| | | Pressure units hPa, mbar, kPa, Pa, inHg, mmH20, mmHg, torr, psia * Defined as ±2 standard deviation limits of endpoint non-linearity, hysteresis error or repeatability error and calibration. ** Defined as ±2 standard deviation limits of accuracy of the working standard including traceability to NIST. *** Defined as the root sum of the squares (RSS) of endpoint non-linearity, hysteresis error, repeatability error and calibration uncertainty at room temperature. **** Defined as ±2 standard deviation limits of temperature dependence over the operating temperature range. | | |
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| | | Power consumption at +20 °C (U. 24 VDC) RS-232 U 3 x 0 ... 1 V/0 ... 5 V/0 ... 10 V out I ut 3 x 0 ... 20 mA display and backlight during chemical purge during probe heating (HMT337) Settling time at power-up (one sensor) class A class B External loads current outputs 0 ... 1 V output 0 ... 5 V and 0 ... 10 V outputs
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| | | 10 ... 35 VDC, 24 VAC 100 ... 240 VAC, 50/60 Hz | | |
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| | | max. 28 mA max. 33 mA max. 63 mA +20 mA max. +110 mA +120 mA 4 s 3 s | | |
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| | | Temperature Measurement range, all probes Accuracy at +20 °C (+68 °F) Temperature units Accuracy over temperature range | | |
| | | -40 ... +60 °C (-40 ... +140 °F) ± 0.2 °C (± 0.4 °F) °C, °F | | |
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| | | RL < 500 ohm RL > 2 kohm R > 10 kohm | | |
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| | | 0.5 mm2 (AWG 20) stranded wires RS-232, RS-485 (optional) RS-232, USB 0.5 A, 250 VAC | | |
| | | Recommended wire size | | |
| | | 4 °C | | |
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| | | 0.5 | | |
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| | | Digital outputs Service connection Relay outputs (optional) Optional data logger with real-time clock | | |
| | | 0.2 | | |
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| | | 0.1 | | |
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| | | Logged parameters Logging interval Max. logging period Logged points Battery lifetime Display Menu languages | | max. three with trend/min/max values 10 sec (fixed) 4 years 5 months 13.7 million points per parameter min. 5 years LCD with backlight, graphic trend display of any parameter English, Finnish, French, German, Japanese, Chinese, Spanish, Swedish, Russian | | |
| | | -0.1 | | |
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| | | -0.2 | | |
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| | | -0.3 | | |
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| | | -0.4 | | |
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| | | -0.5 | | |
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| | | 40 | | |
| | | -20 | | 40 | | 60 | | |
| | | 20 | | |
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| | | PT100 RTD 1/3 Class B IEC 751 | | |
| | | Relative humidity Measurement range Accuracy (including non-linearity, hysteresis, and repeatability at +15 ... +25 °C at -20 ... +40 °C at -40 ... +60 °C | | |
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| | | 0 ... 100 % RH | | |
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| | | Analog outputs (optional) current output voltage output Humidity and temperature accuracy at +20 °C temperature dependence Pressure accuracy at +20 °C accuracy at -40 ... +60 °C | | |
| | | 0 ... 20 mA 4 ... 20 mA 0 ... 1 V, 0 ... 5 V 0 ... 10 V ±0.05% full scale ±0.005%/°C full scale 500 ... 1100 hPa 50 ... 1100 hPa ±0.30 hPa ±0.40 hPa ±0.60 hPa ±0.75 hPa | | |
| | | ±1 %RH (0 ... 90 % RH) ±1.7 %RH (90 ... 100 %RH) ±(1.0 + 0.008 x reading) %RH ±(l.5 + 0.015 x reading) %RH | | |
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| | | Vaisala Instruments Catalog 2008 Ref. B210712en rev. A | | |
| | | 104 | | |
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