Clean Room Monitor-CR120
Clean Room Monitor-CR120
Clean Room Monitor-CR120
CR 120
The CR120 is specifically designed for the monitoring of Clean rooms and packaged in a compact
shallow enclosure to allow installation in prefab Clean room panels of thickness 40mm or more.
FEATURES
• Conforms to 21 CFR11 requirements.
• Microprocessor based design with advanced fault tolerant system
• 3 Channel Display of RH, Temperature & Room Pressure
• Channel ranges and units can be preconfigured (Factory Configured)
• User programmable for 1,2 or 3 channel measurements
• Programmable Alarm Limits with Visual Annunciation.
• Real Time battery powered Clock
• Software calibration for all 3 channels with password protection
• Calibration record with Time and Date Stamp for Validation.
• RS 485 multi dropping communication for Host Controller / SCADA system.
• Digital Data transmission for zero error data recording
• Choice of direct RS485 Instrument Communication Protocol or Modbus Protocol.
• Compact, All Stainless Steel enclosure with 38 mm depth for installation in prefab
panels.
• Incorporates highly stable built-in Pressure Sensor.
GLOBAL ELECTRONICS
3-5-331, Narayanguda, Hyderabad - 500 029, INDIA Ph: 040 23221391, 23226687 Fax: 040 23222484
E-mail: info@ge-india.com URL: www.ge-india.com
TECHNICAL SPECIFICATIONS MODEL: CR120
Display : 3 rows High Brightness Non fading LED
Input : Voltage / RTD (PT100) / Pressure sensor (See Ordering Information)
User selectable display for 1, 2 or 3 Channel measurement
Clock : Real Time Clock with Battery backup.
Calibration : Software calibration for each channel
Calibration data : Stored in Non Volatile memory with calibration date & time stamp
Communication : RS 485 Modbus Protocol (RTU)
Power : 24 V DC ± 5%, 5 VA (max)
Environment : Temperature: 0°C to 60°C; Humidity: 0 to 80% (Non Condensing)
Enclosure : Stainless Steel , 30 mm deep Panel Cutout: 175x155 mm
Dimensions : Cabinet: 173x153x30 mm; Cover: 200x180 mm
“mmWC” or “Pa” marking on the faceplate for Pressure to be specified at the time of Ordering
ORDERING INFORMATION §
Model Channel 1 Channel 2 Channel 3
Parameter Sensor Parameter Sensor Parameter Sensor
CR120–0 Humidity Hygroclip Temperature Hygroclip Pressure Built in
CR120–1 Humidity Hygroclip Temperature Hygroclip None None
CR120–2 None None Temperature PT100 Pressure Built in
CR120–3 None None None None Pressure Built in
CR120- 4 None None Temperature PT100 None None
§ RH & Temperature Sensors are not part of the instrument and are to be ordered separately
GLOBAL ELECTRONICS
3-5-331, Narayanguda, Hyderabad - 500 029, INDIA Ph: 040 23221391, 23226687 Fax: 040 23222484
E-mail: info@ge-india.com URL: www.ge-india.com CR120Lit/RevA/080907