Vaisala PTU300 Technical data

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PTU300 Combined Pressure, Humidity and Temperature Transmitter

Technical data

Performance

BAROMETRIC PRESSURE

Pressure range 500 ... 1100 hPa, 50 ... 1100 hPa Accuracy 500 ... 1100 hPa 500 ... 1100 hPa 50 ... 1100 hPa

CLASS A CLASS B

Linearity ±0.05 hPa ±0.10 hPa ±0.20 hPa Hysteresis* ±0.03 hPa ±0.03 hPa ±0.08 hPa Repeatability* ±0.03 hPa ±0.03 hPa ±0.08 hPa Calibration uncertainty** Accuracy at +20 °C*** ±0.10 hPa ±0.20 hPa ±0.30 hPa Temperature dependence**** Total accuracy (-40 ... +60 °C/

-40 ... +140 °F) Long-term stability/year ±0.1 hPa ±0.1 hPa ±0.2 hPa Response time (100 % response) one sensor 2 s Pressure units

* 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.

±0.07 hPa ±0.15 hPa ±0.20 hPa

±0.1 hPa ±0.1 hPa ±0.3 hPa

±0.15 hPa ±0.25 hPa ±0.45 hPa

•

1 s

•

1 s

hPa, mbar, kPa, Pa, inHg, mmH20, mmHg, torr, psia

The Vaisala PTU300 Combined Pressure, Humidity and Temperature Transmitter is a versatile, multi-purpose instrument.

Response time (90 %) at +20 °C (+68 °F) in still air

with grid ﬁlter 8 s / 17 s* with grid + steel netting ﬁlter 20 s / 50 s* with sintered ﬁlter 40 s / 60 s*

* with HUMICAP

•

TEMPERATURE

Measurement range, all probes -40 ... +60 °C (-40 ... +140 °F) Accuracy at +20 °C (+68 °F) ± 0.2 °C (± 0.4 °F) Temperature units °C, °F

ACCURACY OVER TEMPERATURE RANGE

180R or 180RC sensor

RELATIVE HUMIDITY

Measurement range 0 ... 100 % RH Accuracy (including non-linearity, hysteresis, and repeatability at +15 ... +25 °C ±1 %RH (0 ... 90 % RH)

±1.7 %RH (90 ... 100 %RH) at -20 ... +40 °C ±(1.0 + 0.008 x reading) %RH at -40 ... +60 °C ±(1.5 + 0.015 x reading) %RH Factory calibration uncertainty (+20 °C )

(Deﬁned as ±2 standard deviation limits. Small variations possible,

± 0.6 % RH (0 ... 40 %RH)

± 1.0 % RH (40 ... 97 %RH)

see also calibration certiﬁcate.)

Sensor

for typical applications Vaisala HUMICAP for applications with chemical purge/warmed probe Vaisala HUMICAP

180 or 180R*

180C or 180RC*

Temperature sensor PT100 RTD 1/3 Class B IEC 751

Operating Environment

Operating temperature -40 ... +60 °C (-40 ... +140 °F)

with display 0 ... +60 °C (+32 ... +140 °F) Humidity range non-condensing Electromagnetic compatibility EN61326-1:1997 + Am1:1998

+Am2:2001; Industrial Environment

Technical data

Inputs and outputs

Operating voltage 10 ... 35 VDC, 24 VAC

with optional power supply module 100 ... 240 VAC, 50/60 Hz

Power consumption at +20 °C (U

RS-232 max. 28 mA

3 x 0 ... 1 V/0 ... 5 V/0 ... 10 V max. 33 mA

out

3 x 0 ... 20 mA max. 63 mA

out

display and backlight +20 mA during chemical purge max. +110 mA during probe heating +120 mA

Settling time at power-up (one sensor)

class A 4 s class B 3 s

External loads

current outputs R 0 ... 1 V output R

0 ... 5 V and 0 ... 10 V outputs R Recommended wire size 0.5 mm Digital outputs RS-232, RS-485 (optional) Service connection RS-232, USB Relay outputs (optional) 0.5 A, 250 VAC Ethernet interface (optional)

Supported standards 10/100Base-T

Connector RJ45

Protocols Telnet

Software support Vaisala MI70 link WLAN interface (optional)

Supported standards 802.11b

Antenna connector type RP-SMA

Protocols Telnet

Security WEP 64/128,WPA

Software support Vaisala MI70 link Authentication / Encryption (WLAN)

Open / no encryption

Open / WEP

WPA Pre shared key / TKIP

WPA Pre shared key / CCMP (a.k.a. WPA2) Optional data logger with real-time clock

Logged parameters max. three with trend/min/max values

Logging interval 10 sec (ﬁxed)

Max. logging period 4 years 5 months

Logged points 13.7 million points per parameter

Battery lifetime min. 5 years Display LCD with backlight, graphic trend display

24 VDC)

< 500 ohm

> 2 kohm

> 10 kohm

(AWG 20) stranded wires

of any parameter

Menu languages English, Finnish, French, German, Japanese,

Chinese, Spanish, Swedish, Russian

Analog outputs (optional)

current output 0 ... 20 mA, 4 ... 20 mA voltage output 0 ... 1 V, 0 ... 5 V, 0 ... 10 V

Humidity and temperature

accuracy at +20 °C ±0.05% full scale temperature dependence ±0.005%/°C full scale

Pressure 500 ... 1100 hPa 50 ... 1100 hPa

accuracy at +20 °C ±0.30 hPa ±0.40 hPa accuracy at -40 ... +60 °C ±0.60 hPa ±0.75 hPa

Mechanics

Cable bushing M20 x 1.5 for cable diameter

8 ... 11 mm/0.31 ... 0.43" Conduit ﬁtting 1/2" NPT User cable connector (optional) M12 series 8-pin (male)

option 1 female plug with 5 m (16.4 ft) black cable option 2 female plug with screw terminals

Probe cable diameter

PTU303 6.0 mm

other probes 5.5 mm Housing material G-AlSi 10 Mg (DIN 1725) Housing classiﬁcation IP 65 (NEMA 4) Weight

depending on selected probe 1.5 ... 2.0 Kg

Accessories

PC software and cable 215005 USB-RJ45 Serial Connection Cable 219685 Connection cable for HM70 211339 Wall mounting plate (plastic) 214829 Pole installation kit 215108 Rain shield 215109 DIN rail installation set 211477 Duct installation kit, PTU303/307 210697 Cable gland and AGRO, PTU303/307 HMP247CG Solar radiation shield, PTU303/307/30T DTR502B Meteorological installation kit HMT330MIK Duct installation kit (T probe) 215003

TYPE A PPROVED PRODUCT CERTI FICATE NO.: A-11440

For more information, visit www.vaisala.com or contact us at sales@vaisala.com

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