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교정용표준기

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Humidity Reference Standard(GE/Optica), ±0.5%
  • 제조사GE
  • 모델명Optica
  • 주요기능밀러형 노점계
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The Next Generation Humidity Reference Standard

GE’s Optica Series chilled mirror hygrometers offer National Institute of Standards and Technologies
(NIST)―traceable humidity, temperature and pressure measurements for the connected
generation. Now data is accessible from anywhere, any time, from within a browser over the Internet or from your Intranet.


Optica Measures
• Temperature
• Relative humidity (% RH)
• Dew/frost point (Td)
• Absolute humidity (m/v)
• Mass mixing ratio (m/m)
• Volume mixing ratio (v/v)
• Wet bulb (Tw)
• Enthalpy (h)
• Water vapor pressure (e)
• Pressure
• Alarm relays
• Analog outputs​ 

 

  

Optica Specifi cations 

 

Color VGA with data logger and Ethernet communications available in bench, rack or wall mount styles


Power
95 to 265 VAC, 50/60 Hz, 200 watts


Electrical I/O
IEC-style AC receptacle (bench mount), screw terminal
block (wall mount), multipin chilled mirror and
temperature sensor/cable connectors, screw terminals
for analog outputs, DB-9 for RS232 and 10 base-T for
Ethernet​


Measured Parameters
Dew point, temperature and 4 to 20 mA/0 to 5 VDC


Calculated Parameters
Relative humidity, wet bulb, mass mixing ratio, volumetric mixing ratio, absolute humidity, water vapor pressure and enthalpy in English and metric units, as well as userconfi
gured units


Inputs
1/3 Class A DIN 43760, 100 Ω RTD and dew/frost point and dry bulb temperature. Loop powered 4 to 20 mA DC at 500 Ω maximum load


Accuracy
System accuracy ±0.36°F (±0.2°C) for dew/frost point, ±0.27°F (±0.15°C) for temperature, 0.5% full scale (FS) for pressure


Range
Governed by sensor


Hystersis
Negligible


Sensitivity
0.1% FS


A/D
16 bit​

 

Data Logger Memory

6 megabytes

Display
1/4 color VGA enables up to six parameters to be displayed


Operating Temperature
32°F to 122°F (0°C to 50°C)


Cooling Rate
0.27°F (1.5°C )/sec typical above 32°F (0°C)


Digital Interface
RS232 port, Ethernet port*


Digital Output Format
Data ASCII text, Ethernet java applet password protected*


TCP/IP Address
User programmable*


Analog Outputs
(2) 4 to 20 mA and 0 to 5 VDC, user confi gurable and scalable


Analog Outputs

(2) 5 A at 250 V, form C, (SPDT) relays


Enclosure
Benchtop: Type 1
Wall Mount: Type 4


Weight
Benchtop: 8 lb (3.6 kg)
Wall Mount: 10 lb (4.5 kg​)