Vigilant Aircraft Hygrometer

The Vigilant Aircraft Hygrometer is a rugged, shock mounted instrument used for accurate measurement of dew/frost point in flight or in installations with existing flow, such as wind tunnels. The Vigilant features a miniature, remote or mounted, primary method chilled mirror dew/frost point sensor employing a platinum resistance thermometer and has 15 feet of interconnecting cable to the control unit …

Features

  • A rugged, shock mounted dewpoint hygrometer for in-flight and wind tunnels
  • Uses a primary method chilled mirror dew/frost point sensor for high measurement accuracy
  • ISO/IEC 17025 accredited NIST traceable certification
  • Sensor is mounted through the skin of the aircraft or mounted to the controller
  • Precision accuracy, high repeatability and high reliability
  • Designed for atmospheric sciences

Model X3 Chilled Mirror Hygrometer Sensor

The Edgetech Instruments Model X3 chilled mirror sensor is specifically designed to measure the Dew/Frost point in demanding process and laboratory applications. It is available in multiple configurations to accurately measure very low dew/frost points in aggressive background gases. The Model X3 Sensor’s minimized sample cavity results in rapid dry-down times, fast response and quick detection of upset process conditions. …

Features

  • Chemically resistant sensor housing and mirror eliminate sensor failures when measuring dew/frost point in aggressive background gases
  • Chamber design and high efficiency heat exchanger result in the ability to measure very low frost points
  • Hinged cover plate allows easy access to the mirror for cleaning and inspection
  • Reduced cavity sample chamber speeds sample sweeping resulting in rapid dry-down after exposure to high moisture levels
  • Rugged, industrial electrical connectors and easy access slim line signal harness simplify installation and maintenance
RH-CAL Portable Humidity Calibrator Application Note

RH CAL Portable Relative Humidity Calibrator

The RH CAL is a programmable humidity calibration system that is at home in the metrology lab or in the field, performing on-site, NIST traceable humidity calibrations. The system provides very high accuracy for both relative humidity and temperature. Unlike other calibration systems, the RH CAL does not need compressed air or a water connection to operate, which allows the …

Features

  • Based on Edgetech Instruments field proven chilled mirror sensor technology
  • A completely self-sufficient and portable humidity calibration system
  • Temperature and relative humidity controlled independently for custom humidity generation
  • High accuracy relative humidity and temperature control
  • Automatic correction for sensor mirror contaminants
  • Certified against NIST traceable standards in an ISO/IEC 17025 accredited laboratory

DewTech 390 Low Dewpoint Hygrometer

The Edgetech Instruments DewTech 390 is a precision dew/frost point hygrometer that measures extremely low frost points or trace moisture in a variety of background gases. Based on the primary method chilled mirror sensor technique, it is delivered with a NIST traceable calibration certificate and is certified in an ISO/IEC 17025 accredited calibration laboratory. At the core of the DewTech …

Features

  • A precision laboratory grade hygrometer system that measures an extremely wide range of dew/frost points in gases from as low as –90°C frost point to as high as +20°C dew point
  • Based in the primary method chilled mirror technique with all the attributes, features and certifications needed for laboratory use at an affordable price
  • Ideal for metrology labs, scientific research and process measurements or any application where high precision measurement of dew/frost point over a wide range with fast response and high stability are required
  • For peak efficiency the sensor’s performance is maximized by an integral cryo-cooling system
  • The DewTech 390 is supported in the USA in a modern, ISO 9001 registered facility with ISO/IEC 17025 accredited calibration laboratory and is delivered with a UKAS traceability certificate.
PDM75-X3 Portable

PDM75-X3 Portable, Industrial Duty Hygrometer

The Model PDM75-X3 is a field portable dewpoint hygrometer that integrates the accuracy and reliability of the Edgetech Instruments chilled mirror sensor with the convenience and ruggedness required for field use. It features drift-free accuracy, NIST traceability, low maintenance, high durability and ease of use in a portable package. The Model PDM75-X3 has all the standard features of the Edgetech …

Features

  • Based on the Edgetech Instruments DewMaster Hygrometer
  • Chemically resistant, primary method dew/frost point sensor
  • Drift free and certified against NIST traceable standards
  • Best in class air cooled temperature depression
  • Wide measurement ranges from -70°C to +70°C dew/frost point temperature
  • Locally or remotely mounted sensor options
  • Automatic Balance Control for optics contaminants correction
  • Rugged, high impact portable case
  • Multiple interfaces
  • Sampling options for positive or negative pressure

HP125 Series Multi-Sense Humidity Probe

The HP125 Multi-Sense Humidity Probe is a cost effective, easy to use solution to many industrial and laboratory measurement and control applications. The HP125 probe exploits the latest advancements in polymer humidity sensing technology and compact electronic circuitry. It is designed to continuously measure up to 4 measurement parameters using a single intelligent sensor tip including RH%, calculated Dewpoint, Temperature …

Features

  • Single, cost-effective probe continuously measures up to 4 parameters including relative humidity, dewpoint, temperature and pressure
  • The sensor can be replaced in seconds and automatically synchronizes with the HP125 probe
  • Can be used stand-alone or in combination with the HP125-DCM or with the SENTRY series of compressed gas alarm modules
  • No need to send the probe for calibration service off-site
  • Each new sensor comes with a NIST traceable calibration certificate
  • For industrial and laboratory measurement and control applications

DewTrak II MO for Motor Octane Testing

The DewTrak II MO specific humidity and barometric pressure transmitter is a chilled mirror dewpoint hygrometer that continuously measures the moisture content and barometric pressure in the motor octane testing process. It is used to monitor and ensure compliance with test standards ASTM D2700, D2699, D2885. NIST traceability guarantees measurement compliance for the allowable specific humidity and the pressure ranges. …

Features

  • NIST traceable chilled mirror hygrometer continuously monitors motor intake air fuel mix conditions required for Motor Octane Number (MON) and Research Octane Number (RON) testing
  • Monitors specific humidity and barometric pressure for compliance with test standards ASTM D2700, D2699, D2885
  • Can be easily fitted to existing knock engine systems
  • Ensures measurement compliance for allowable specific humidity and pressure range.
  • Powered by 24 Vdc with analog and digital outputs plus electrically isolated relay contacts

ELH Series – Precision Humidity Chambers

The ELH Series of precision humidity chambers has NIST traceable accuracies in humidity, temperature and dewpoint. The ELH Series incorporates programmable controllers for constant, precision parameter control and uniformity plus integrated DewMaster chilled mirror hygrometers for accurate temperature and humidity measurements. These highly accurate temperature and humidity control chambers are very similar in performance to two-pressure method devices but they …

Features

  • A group of precision calibration chambers incorporating programmable controllers plus primary method DewMaster chilled mirror hygrometers
  • Highly accurate temperature and humidity control similar in performance to two-pressure method devices but at a significantly lower price
  • Delivered with multi-point, NIST traceable, ISO/IEC 17025 accredited certification
  • Various sized bench mount calibration chambers having 304 stainless steel interiors are available

CAM Compressed Air Module

The CAM (Compressed Air Module) is a sampling chamber for use with Edgetech Instruments humidity and dewpoint probes. It has a sample inlet ball valve for connection to a pressurized compressed air or gas takeoff point, providing an easy way to connect a probe or alarm module to a gas supply. The ball valve allows isolation of the probe from …

Features

  • Sample chamber allows safe isolation and servicing of sensor probe at pressurized sample takeoff point
  • For installation and use with HP125 and Sentry humidity probes
  • Provides ball valve to isolate probe from process pressure and bleeder valve to allow flow of sample gas past the probe sensor
  • May be used for pressure dewpoint or atmospheric dewpoint measurements
  • Available in brass or stainless steel construction
PTDM Pressure Transducer Data Sheet

PTDM Pressure Transducer

Edgetech Instruments Pressure Transducer is designed for accurate pressure measurement of gases or liquids compatible with stainless steel. The high level output signal requires no additional signal conditioning and results in excellent stability, accuracy, and fast dynamic response, making the Model PTDM ideal for high performance applications. The stable electronic circuit, combined with Edgetech’s patented variable capacitance sensor, results in …

Features

  • Designed for accurate pressure measurement of gases or liquids compatible with stainless steel
  • Excellent stability, accuracy, and fast dynamic response
  • Sensor features a one-piece 17-4 PH stainless steel pressure sensor and an insulated electrode, which forms a variable capacitor