Carrier NSA-OA-RH Manual

Carrier Måling NSA-OA-RH

Læs gratis den danske manual til Carrier NSA-OA-RH (9 sider) i kategorien Måling. Denne vejledning er vurderet som hjælpsom af 26 personer og har en gennemsnitlig bedømmelse på 4.4 stjerner ud af 13.5 anmeldelser. Har du et spørgsmål om Carrier NSA-OA-RH, eller vil du spørge andre brugere om produktet?

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Side 1/9

RH Outside Air Thermistor

Installation and Operation

#NSA-HH/RH2- -O-C NSA-HH/RH3- -O-C /14/2019 CP , CP –11

Specications subject to change without notice.

Catalog No. - - - Page of 11 808 776 01 1 9

Overview

The Carrier Relative Humidity with Thermistor Outside Air Series utilizes a thermoset

polymer capacitive sensing element with factory applied hygroscopic filter to deliver a

proportional analog current or voltage output signal. The hygroscopic lter provides added

resistance to moisture, dust, and other chemicals for greater long term reliability. The RH

Outside Air transmitter features integral DIP switches for field selection of the proper output

signal and supply voltage to meet your applications requirements. Each unit also contains

0%, 50%, and 100% test options to verify that the transmitter is both working and wired

properly. Field calibration also can be performed by using the increment and decrement

calibration DIP switches without the need to replace the sensing element. These

enhancements provide increased exibility and outstanding long-term reliability. Outside Air

congurations feature a weatherproof Euro style enclosure with gasketed cover and

conformally coated circuit boards for added moisture and chemical resistance.

Applications: Monitor Outdoor Air Humidity, Economizer Control, Psychrometric

calculations such as Enthalpy and Dew point, Wash down Applications

Part Numbers

NSA-HH/RH2- -O-C NSA-HH/RH3- -O-C CP CP

Specications

RH Supply Voltage

(Reverse Polarity Protected):

4-20 mA: 250 Ohm Load: 15 - 40 VDC / 18 - 28 VAC

500 Ohm Load: 18 - 40 VDC / 18 - 28 VAC

0-5 VDC 0-10 VDC: 12 - 40 VDC / 18 - 28 VAC | : 18 - 40 VDC / 18 - 28 VAC

RH Supply Current (VA):

Voltage Output Current Output: 8 mA max (0.32 VA) | : 24 mA max (0.83 VA)

RH Output Load Resistance:

4-20 mA 0-5 VDC or 0-10 VDC: 700 Ohms max | : 4K Ohms min

RH Output Signal:

2-wire 3-wire: 4 - 20 mA (default) | : 0-5 or 0-10 VDC and 4 - 20 mA (Field Selectable)

RH Accuracy @ 77°F (25°C):

+/- 1% over 20% RH Range between 20 to 90% | +/- 2%, 3%, or 5% from 10 to 95%

RH Measurement Range

0- 100%

Operating RH Range:

0 to 95% RH, non- condensing (Conformally Coated PCB’s)

Operating Temperature Range:

-40 to 140°F (-40 to 60°C)

Storage Temperature Range:

-40 to 149°F (-40 to 65°C)

RH Stability | Repeatability | Sensitivity:

Less than 2% drift / 5 years | 0.5% RH | 0.1% RH

RH Response Time (T63):

20 Seconds Typical

RH Sensor Type:

Capacitive with Hydrophobic Filter

RH Transmitter Stabilization Time:

30 Minutes (Recommended time before doing accuracy veri cation) fi

RH Connections | Wire Size:

Screw Terminal Blocks (Polarity Sensitive) | 16 (1.31 mm²) to 26 AWG (0.129 mm²)

RH Terminal Block Torque Rating:

4.43 to 5.31 lb-in (0.5 to 0.6 Nm)

RH NIST Test Points:

Default Test Points: 3 Pts (20%, 50% & 80%) or 5 Pts (20%, 35%, 50%, 65% & 80%)

1% NIST Test Points: 5 Pts within selected 20% Range (ie. 30%-50% are 30, 35, 40,

45 & 50)

Nominal Thermistor Resistive Output @

77°F (25°C) (Lead Wire Colors):

10KΩ- (White/Green)

Thermistor Accuracy 32-158°F (0-70°C):

+/- 0.36°F (0.2°C)

Thermistor Power Dissipation Constant:

3 mW/°C

Thermistor Sensor Response Time

(T63):

10 Seconds nominal

Lead Wire Length | Conductor Size:

14” (35.6 cm) | 22 AWG (0.65 mm)

Insulation | Rating:

Etched Teon (PTFE) Colored Leads | Mil Spec 16878/4 Type E

Enclosure Specications (Material,

Flammability, Temperature, NEMA/IP

“ EH” Enclosure-: ABS Plastic; UL94-V0; -40 to 140°F (-40 to 60°C)

“ 4X” Enclosure-: Polystyrene Plastic; UL94-V2; -40 to 158°F (-40 to 70°C); NEMA 4X

Produkt Specifikationer

Mærke:	Carrier
Kategori:	Måling
Model:	NSA-OA-RH

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