Vaisala HUMICAP HMW90 SERIES Especificações descarregar pdf (Página 13)

507

HUMIDITY

WE MAKE IT EASY.

kele.com 888-397-5353 USA

March 2014

Duct

Housing

(D)

Room

Housing

(S)

OSA / Wall

Housing

(O)

1% AND 2% WALL, DUCT AND OSA HUMIDITY TRANSMITTERS

HT829, HT839

Accuracy

1% units ±1% from 10% to 80% RH

2% units ±2% from 0% to 90% RH

Time Constant 60 sec in slow-moving air

Supply Voltage 9.4 VDC min to 35 VDC max

Signal Output Two-wire, 4-20 mA over 0% to 100%

RH and temperature (HT839)

Maximum Output

Impedance 730Ω @ 24 VDC (Power supply - 9.4)

/ 0.02 A = Ω

Sensing Technology Capacitive monolithic IC (Humidity)

Sensor Protection Sintered ﬁlter (Humidity)

Calibration One-point adjustment

Adjustments Zero, noninteracting

Operating Temperature

Room -10° to 150°F (-23° to 66°C)

Duct/OSA -10° to 185°F (-23° to 85°C),

Wiring Terminations Nonpolar terminals, connect either

way (22-14 AWG wire)

Dimensions

Room 4.5"H x 2.8"W x 1.5"D

(11 x 7 x 4 cm)

Duct 4.6"L x 2.9"W x 2.3"D

(22 x 7.3 x 5.7 cm), 4.6" (11.8 cm)

probe length 0.38" (0.95 cm) Ø

OSA 10.2"L x 2.7"W x 2.3"D

(26x 7 x 5.7 cm), 8" (20 cm) probe

length 1.25" (3.2 cm) Ø

Weight

Room 0.3 lb (0.13 kg)

Duct 1.1 lb (0.5 kg)

OSA 1.16 lb (0.53 kg)

Warranty 3 years

DESCRIPTION

The Minco Model HT829 Relative Humidity Transmitter

measures 0% to 100% RH over a range of -10° to 185°F

(-23° to 85°C). The standard two-wire, 4-20 mA output

provides low-cost space, duct, and outdoor monitoring

or process and industrial building control. A temperature

sensor built into the integrated circuit provides temperature

compensation over the full temperature range.The HT839

Series has temperature transmitter output.

FEATURES

• Temperature-compensated IC sensor

• One-point ﬁeld calibration, RH or temperature

• Weatherproof housing for OSA and duct

• 1% or 2% RH accuracy

• Sintered ﬁlter

24VDC

4-20mA

Signal

*Non-polar connections

Hum*

Hum

–

24VDC

RH Signal

4-20mA

**Temp Signal

4-20mA

Hum*

Hum

Temp*

Temp

* Non-polar connections

** Need humidity connection

to output temperature

signal properly

Z SZ

–

WIRING — HT829, RH ONLY WIRING — HT839, RH AND TEMPERATURE

SPECIFICATIONS

APPROVED

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