Vaisala PTB330TS Manual do Utilizador descarregar pdf (Página 26)

173

Technical Data

Ref. B211082EN-D ©Vaisala 2013

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Pressure

Performance

Measurement ranges (bidirectional) ±60 Pa

±0.25 in H

Overpressure

proof pressure 1.0 bar

burst pressure 1.7 bar

static pressure 1.7 bar

Pressure type differential, gauge, vacuum and compound

Accuracy (incl. non-linearity, hysteresis,

repeatability and zero/span calibration settings) 0.4 % span

Long-term stability ≤0.5 % span/year

Response time (10 ... 90 %) 250 ms

Warm-up time 15 s

Compensated temperature range +2 ... +54 °C

(+35.6 ... +129.2 °F)

Temperature dependence ±(0.065 Pa + 0.054 % of reading) / °C

±(0.00015 in H

O + 0.03 % of reading) / °F

(reference 21 °C or 70 °F)

Mounting position

error (zero adjustable) ≤1 %/g (calibration in vertical

position is standard)

Adjustments (front accessible)

zero ±5 % span

span ±3 % span

Inputs and Outputs

Process connection 1/4" barbed fittings

Output signal

2-wire 4 ... 20 mA

3-wire 0 ... 5 VDC (user selectable 0 ... 10 VDC)

Operating voltage

2-wire output 4 ... 20 mA 12 ... 36 VDC

3-wire output 0 ... 5 VDC 11.5 ... 36 VDC

3-wire output 0 ... 10 VDC 14 ... 36 VDC or 24 VAC

Max. loop resistance

for 4 ... 20 mA ≤ (Supply voltage - 12V)/0.022 A

Supply current max. 20 mA for 4 ... 20 mA output signal

Operating Environment

Operating temperature -18 ... +70 °C (-0.4 ... +158 °F)

Storage temperature -40 ... +82 °C (-40 ... +179.6 °F)

Electromagnetic compatibility (EN 61326-1),

basic immunity test requirements

Mechanics

Medium (measured gas) clean and dry air, non-conducting

and non-corrosive gases

Material

process connection brass

sensor element silicon, aluminium, glass

case NEMA type 1 fire-retardant ABS 1

(meets UL94-5VA)

Mounting threaded fastener for wall mounting

or DIN rail type EN50022

Housing classification IP40

Weight 0.07 kg

Order Information for PDT101

Dimensions

Dimensions in mm

POWER

HI LO

SPAN

ZERO

ø 5

ø 4

74 84.6

9.4

33.6

Measurement range: P (+/-60 Pa) or W (+/-0.25 in H

Accuracy: 4 (0.4 % span)

Output: C (current) or V (voltage)

PDT101 - XXX

Note: If used in an electromagnetic field of 3 V/m, with narrow frequency area

of 80 - 120 Mhz, it is possible that the current output of PDT101 can deviate max.

0.8% (with accuracy specified 0.4%).

Optical process diagnostics LED visual indicator

Electrical connection Euro style pluggable terminal block

accepts 12...26 AWG wire

(0.13 up to 3.31 mm

)

1 2 ... 21 22 23 24 25 26

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