Sentry Compressed Air Monitoring and Alarm System Data Sheet

SENTRY Compressed Air Monitor and Alarm

The Edgetech Instruments SENTRY turn-key measurement and alarm system features a smart multi-sense probe that continuously monitors the dew/frost point and pressure of compressed air systems to detect compressor or dryer failures and system pressure leaks. The SENTRY features a strobe lamp and pulsing horn plus an alarm relay contact that activate when a programmable, low pressure or high dew/frost …

Features

  • Detects upset conditions in compressed air systems
  • Constantly monitors pressure and dew/frost point temperature
  • Strobe lamp and pulsing audible alarms for low pressure or high dew/frost point alert
  • Displays dew/frost point and pressure on panel meter
  • NIST traceable calibration certificate
  • Field replaceable Smart Sensor Tip
  • Alarm relay and 4 to 20 mA outputs
  • Complete system, ready for installation
PPM1 Trace Moisture Analyzer

PPM1 Trace Moisture Analyzer

Precise PPM Moisture Detection Ideal for ppm moisture analyzers in applications where even trace water vapor levels can compromise product or process quality. Configurable and Compact Choose between flow-through or diffusion sampling with remote sensor placement at the gas process take-off point. Durable NEMA Design Fully enclosed in a rugged, IP66/67-rated NEMA trace moisture analyzer housing suitable for harsh or …

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

1500 Portable Dewpoint Monitor

The Model 1500 is a self-contained, battery powered, portable, multi-function hygrometer that accurately and reliably measures the moisture content in gases, with the battery life and ruggedness required for field use. The Model 1500 is a drift-free, low maintenance hygrometer featuring high durability, NIST traceable certification and ease of use. Its primary method chilled mirror sensor provides precision dew/frost point …

Features

  • Primary method chilled mirror sensor provides high accuracy dew/frost point measurement
  • Temperature measurement option for live relative humidity measurement
  • Pressure measurement option for live parts per million by volume measurement
  • Automatic Balance Control mode provides automatic correction for optics contaminants
  • Current or voltage outputs, RS-232 optional
  • User programmable alarm functions
  • Internal vacuum pump to pull sample

Com.Air Dew Point Monitor for Compressed Air Systems

Direct, Drift-Free Measurement Provides true chilled mirror dew point accuracy—no estimations or calculated values. Minimal Maintenance, Long Service Life Mirror surface is easy to clean and resists drift; no need for frequent recalibration. Field-Ready and Compact Small footprint and wall-mount design make it ideal for point-of-use installation. Alarms and Integration Set high/low limits with SPDT relay alarms; connect to PLCs …

DPS3 Heated Dewpoint System

The Edgetech Instruments DPS Series is a heated dewpoint hygrometer that can measure dewpoints up to 95 °C (203°F) and as low as -35 °C (-31°F). This integrated system includes a microprocessor based electronics, a chilled mirror dewpoint sensor, a sample flow meter/valve, assorted tubing and fittings all contained in a heated, temperature controlled NEMA-4 enclosure. The DPS Series heated …

Features

  • Heated dewpoint hygrometer system for measuring dewpoints up to +95°C in high dewpoint gases
  • Solves the high dewpoint measurement problem by heating all system components to a temperature above the dewpoint temperature of the sampled gas, preventing condensation in the measurement system
  • Chilled mirror sensor provides high accuracy over the entire dew/frost range of +95°C to -35°C.
  • Automatic Balance Control mode provides correction for optics contaminants
  • Integrated DPS system contained in a NEMA-4 enclosure with alarm relays and continuous digital and analog outputs
  • Three models available, the DPS3 stand-alone, DPS4 with pressure compensation and the DPS5 with external DewMaster Hygrometer

200M Meteorological Humidity Measurement System

The Model 200M is a complete instrument for the measurement of Atmospheric Dewpoint, Ambient Temperature, % Relative Humidity, or other Psychrometric Variables. It employs the very reliable optical chilled mirror sensing technique which provides a primary measurement of dewpoint, and is traceable to NIST. The Model 200M is ideally suited for installations requiring continuous, automatic, and unattended measurement of humidity …

Features

  • Complete instrument for measurement of atmospheric dewpoint, ambient temperature, relative humidity and other psychrometric variables
  • For installations requiring continuous, automatic, and unattended measurement of humidity over a very wide range
  • Certified in an ISO/IEC 17025 accredited laboratory with NIST traceability
  • Primary dewpoint measurement technique with high accuracy and reliability
  • No periodic sensor recalibration required

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

PPM2 Portable Trace Moisture Transmitter

The Edgetech Instruments Model PPM2 is a portable battery powered trace moisture analyzer designed specifically for monitoring moisture levels in dewpoint and ppm units. This trace moisture analyzer utilizes an electrochemical (P2O5) sensor in combination with a proprietary semi permeable diffusion membrane. The principal of operation applies the Faraday’s Law of Electrolysis which measures the dissociation current making it a …

Features

  • Portable trace moisture analyzer for monitoring moisture levels in dew/frost point and ppm
  • Wide measurement range of 0.1 to 1250 ppmv covers many industrial and research applications
  • Fundamental measurement principle traceable to NIST standards
  • Battery powered with rechargeable batteries and charger included
  • For clean, dry, inert gas applications

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