Michell Instruments

HG10 Humidy Calibrator System

Automatic calibration system w/ reference hygrometer, wide range of RH generation, 1 to 95% RH, -50 to +50°C dp

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HG10 Humidy Calibrator System 05646

The Michell HG10 Humidity Calibration System is a highly flexible computer-controlled automatic calibration system for humidity sensors. The HG10 is capable of repeatable generation of temperature and relative humidity set points over the range 1 to 95% RH 
(-50 to +50°Cdp) at temperatures of +20 to +50°C with excellent stability. The supplied chilled mirror reference instrument provides traceability directly to national standards, and makes the system suitable for use in high-level calibration laboratories. 

The supplied PC software allows the creation of automatic calibration programs, for evaluating the performance of humidity sensors over a range of operating conditions. The measured values from the chilled mirror reference are used in a closed control loop to enable repeatable set point generation, time and time again.

• Automatic calibration system with reference hygrometer
• Wide range of humidity generation 1 to 95% RH, -50 to +50°Cdp
• High accuracy ±0.1°C fundamental reference
• User-configurable temperature and humidity profiling allows calibration cycles to be run without constant supervision
• Very fast changes between generated relative humidity points
 

Remote PRT
Temperature Measurement4 wire Pt100, 1/10 DIN class B
Accuracy±0.1°C (±0.18°F)
Cable Length2m (6.6ft) (250m (820ft) max)
Optional Remote Pressure Sensor
Measurement Range0 to 25 bara (0 to 377 psia)
Accuracy0.25% Full Scale
Measurement Unitspsia, bara, KPa or MPag
Pressure Transducer Thread1/8” NPT
Monitor
ResolutionUser-selectable to 0.001 dependant on parameter
General
Enclosure19” Rack System, H= 2.1m
Power Supply100 to 115 V or 220 to 240 V 50/60Hz
Pressure Swing Dryer
Gas Output Flow: 7 Nl/min
Pressure: 0.68 barg
Moisture Content: <1ppmV (<-75°Cdp)
Required Gas SupplyFlow: 10 Nl/min
Pressure: 5 to 7 barg
Moisture Content: Oil and liquid water free
TypeTwin column desiccant, pressure swing
Desiccant4 Ångström Molecular sieve bead (4-8 mesh)
TimerMotorized cam
Operating Temperature+5 to +35°C
Generator
Generation RangeHumidity: 1 to 95% RH (-50 to +50°Cdp)
Temperature: Dependant on temperature chamber
Generated Gas OutputAir 2 Nl/min @ 0.5 barg via heat traced line
Dual Stage MFC MixingDual mass flow controllers
Power Consumption550 V A maximum
Dual Stage MFC MixingDual mass flow controllers
Operating Temperature+5 to +40°C; 10 to 90% RH
Enclosure19" Rack System, H= 2.1m
Control SystemClosed loop feedback
S8000
Dew-Point Sensor Performance
Performance
Accuracy±0.1°C (±0.18°F)
Reproducibility±0.05°C (±0.09°F)
Measurement TechnologyChilled Mirror
Sensor
Dew-point Range 2-Stage–40°Cdp@ sensor temp of +20°C +90°Cdp @ sensor temp of +90°C
Dew-point Range High Temp PEEK–40°Cdp @ sensor temp of +20°C +120°Cdp @ sensor temp of +120°C
Dew-point Range Climatic Head–10°Cdp @ sensor temp of +20°C +120°Cdp @ sensor temp of +120°C
Temperature Range 2-Stage–40 to +90°C
Temperature Range High Temp PEEK–40 to +120°C
Temperature Range Climatic Head–40 to +120°C
%RH Range 2-Stage<0.5 to 100%
%RH Range High Temp PEEK<0.5 to 100%
%RH Range Climatic Head10 to 100%
Min Measured Dew Point @ 20°C 2-Stage & High Temp PEEK–40°C
Min Measured Dew Point @ 20°C Climatic Head–10°C
Mirror Material OptionsGold plated copper (standard), gold stud, Platinum stud
Sensor Body Material OptionsAcetal (standard), high temperature PEEK, Anodized aluminum
Response Speed1°C/sec (1.8°F/sec) plus settling time
Operating Pressure20 barg (290 psig) standard pressure High version: 250 barg (3625 psig) max
Measurement Units °C and °F for dew point and temperature %RH, g/m3, g/kg, ppm , %Vol, ppm (SF ), for calculated V W 6 humidities
Outputs Analog Digital:
3 channels, user selectable 4–20 mA, 0–20 mA or 0–1 V Modbus RTU over USB and optionally Modbus RTU over RS232 or RS485, or Modbus TCP over ethernet.

Alarm:
Two volt free changeover contacts, one process alarm, one fault alarm; 1 A @ 30 V DC
HMI5.7” LCD with touchscreen
Data Logging SD Card (512Mb supplied) and USB interface SD Card (FAT-16) – 2Gb max. that allows 24 million logs or 560 days, logging at 2 second intervals
Environmental Conditions–20 to +50°C (–4 to +122°F)
Power Supply85 to 264 V AC, 47/63 Hz
Power Consumption100 V A
Mechanical Specifications
Dimensions (Instrument)190 x 255 x 215mm (7.5 x 10.0 x 8.4”) h x w x d
Dimensions (Sensor)ø45 x 128mm with M36 x 1.5-6g mounting thread
Weight4.2kg (9.26lbs)
Cable Lengths3, 5 or 10m (9.8, 16.4 or 32.8ft)
General
Storage Temperature–40 to +60°C (–40 to +140°F)
Detection SystemSingle optics detection system with auto adjustment
Calibration 4-point traceable in-house calibration as standard; UKAS accredited calibrations optional – please consult Michell Instruments
  • Thumbnail of document Data Sheet - HG10 Humidy Calibrator System
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    Data Sheet - HG10 Humidy Calibrator System

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