Vaisala HUMICAP HMW90 SERIES Especificações descarregar pdf (Página 31)

525

HUMIDITY

WE MAKE IT EASY.

kele.com 888-397-5353 USA

March 2014

ROOM, DUCT, AND OSA 2% HUMIDITY TRANSMITTERS

SRH12 SERIES

Accuracy 2% RH (0-100% RH) @ 73°F (23°C)

Drift <1% RH/yr @ 73°F (23°C), 50% RH

Supply Voltage 12-30 VDC

Signal Output 4-20 mA, 2-wire

Maximum Output

Impedance 700Ω @ 24 VDC Ω = (supply - 10) /

0.02

Sensing Technology Replaceable capacitive

Sensor Protection Porous Polyethylene

Protection Reverse polarity protection

Operating Humidity 0 to100%

Operating Temperature -40° to 140°F (-40° to 60°C)

Enclosure

Room ABS plastic (ﬂammability, 94V-0)

Duct Polycarbonate (ﬂammability, 94V-0),

NEMA 4 (IP65),

Wiring Terminations Pluggable terminal block

Dimensions

Room 4.7"H x 2.8"W x 1.0"D

(12 x 7 x 2.5 cm)

Duct 5.1"L x 2.7"W x 2.4"D

(13 x 6.8 x 7 cm)

8.5" (21.6 cm) probe length 1/2"

probe Ø

OSA 6.1"L x 4"W x 12.5"D

(15.5 x 10 x 32 cm)

Approvals CE, RoHS

Weight

Room 0.5 lb (0.23 kg)

Duct 1.3 lb (0.59 kg)

OSA 2.6 lb (1.2 kg)

Warranty 1 year (sensor) 3 years

(electronics only)

DESCRIPTION

Designed for the HVAC control system, the Setra SRH12

Series of humidity transmitters offer reliable measurement of

RH levels from 0 to 100% with an accuracy of 2%. Available in

wall, duct, and outside air conﬁgurations, the SRH12 Series

is easy to install and service if necessary. The transmitters

utilize a ﬁeld replaceable sensor tip that allows the end user

to replace sensors on-site. This eliminates factory calibration

and downtime.

FEATURES

• ±2% RH accuracy

• No recalibration required

• Replaceable sensor

• Capacitive sensor technology

• Reverse polarity protection

Shield

RTN/COM

+EXC

Ground connection

(not used)

2 RH (4 to 20 mA) output

1 Vin

WIRING

APPLICATION

• HVAC/R building controls

• Indoor air quality

• Laboratories

• Antiquities preservation

• Swimming pools

• Clean rooms

SPECIFICATIONS

Outside Air

Duct

Wall

1 2 ... 26 27 28 29 30 31 32 33 34 35 36 ... 73 74

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