Pem - Tech Inc. Gas Detection and Monitoring Systems
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Gas Monitors, Sensors, and Analyzers Refineries • Drilling Rigs • Offshore Platforms • Petro-Chemical Plants • Gas Treatment Plants • Food Processing Industry • Waste Water Treatment Facilities Gas Monitors, Sensors, and Analyzers Refineries • Drilling Rigs • Offshore Platforms • Petro-Chemical Plants • Gas Treatment Plants • Food Processing Industry • Waste Water Treatment Facilities  
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Model PT100-SD Sample Draw Gas Monitor
 Printable PDF
Features
  • Microprocessor based design
  • Industry standard 4-20mA output
  • Field adjustable Alarm level
  • Automated Calibration
  • LC Display with back light
  • Internal Pump assembly
  • Nema 4X Weather proof enclosure
Model PT100-SD Sample Draw Gas Monitor

Description

Model PT100 Sample Draw monitor is a single gas monitor & controller that allows users to draw sample from confined spaces and areas where the installation of ambient air sensors would not be possible. The unit continuously monitors the gas concentration and transmits 4-20mA analog signal. The unit also features a programmable alarm relay for external alarm devices such as horn or beacon. The sensor calibration is fully automated with user prompts on the LCD and takes less than 3 minutes.

 Areas of Application
  • Waster water Treatment
  • Food Processing Industry
  • Chemical and Petrochemical Plants
  • Refineries

Model PT100 Sample Draw Monitor Specifications

Sensor Type
Electrochemical

Repeatability
± 5 % Full scale

Zero Drift
< 5% per year

Typical Response Time
T90 < 30 seconds with 100% FS gas applied

Enclosure
Nema 4X Fiberglass, Weather proof

Operating Temperature
-4 ° F to +122 ° F   (-20 ° C   to +50 ° C)

Operating Humidity
5% to 90% RH, non-condensing

Display
2 Lines by 16 Character LCD with back light

Mechanical Specifications
Length:    11 inches    (280 mm)
Width:     9 inches      (228 mm)
Height:     6 inches       (152 mm )

Input Power
14-28 VDC.   24 VDC nominal

Power Consumption
90mA @ 24 VDC typical

Alarm Relays
Fully programmable. 0 to Full scale range

Latching or Non-Latching.

Relay Ratings
SPDT   Form "C" type Relay contacts
5 Amps @ 250 VAC or 30 VDC

Analog Output
Linear 4-20mA   (300   Ohms max. load)
2.0 mA     - Calibration mode
< 1.0 mA - Sensor malfunction

 

 

 

Gas Range
Ammonia   (NH 3 ) 50 ppm

Carbon Dioxide (CO 2 ) (Infrared Sensor)

20 %
Carbon Monoxide (CO) 0-100, 0-1000 ppm
Chlorine (CL 2 ) 10 ppm
Chlorine Dioxide (CLO 2 ) 50 ppm
Ethylene (C 2 H 4 ) 100 pm
Hydrogen Chloride (HCL) 20 ppm
Hydrogen Sulfide (H 2 S) 100 ppm
Hydrogen (H 2 ) 0-100, 0-1000 ppm
Hydrogen Cyanide (HCN) 30 ppm
Nitrogen Dioxide (NO 2 ) 20 ppm
Nitric Oxide (NO)      100 ppm
Oxygen Deficiency (O 2 ) 25% by volume
Sulfur Dioxide (SO 2 ) 50 ppm

 
 
Pem-Tech, Inc.
12144 Dairy Ashford · Bldng 2 · SugarLand , Texas 77478
Phone:   281-494-2079 • Fax:  (281) 494-2167 • Toll Free 1-800-379-3894 • email: sales@pem-tech.com