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EdgeTech RH CAL 便携式相对湿度校准仪

便携式，NIST，冷镜校准室用(yòng)于相对湿度，温度和露点

Unlike other comparative systems RH CAL is entirely self-sufficient. It does not need compressed air or a water connection to operate, which allows this system to be truly portable.

RH CAL is a microprocessor based, programmable humidity calibration system that is at home in the metrology lab or out in the field performing on site NIST traceable humidity calibrations. The system offers the highest accuracy available for both relative humidity and ambient temperature.

With RH CAL, temperature and relative humidity are controlled independently; therefore, you are not limited to performing calibrations at the surrounding ambient temperature, which may not be appropriate for your unique calibration protocol. Using EdgeTech’s Optical Chilled Mirror (OCM) primary measurement technique for traceability and feedback control, RH CAL is a standalone, portable humidity calibration system.

Contributing to RH CAL’s ease of use are features such as maintenance reducing Automatic Balance Cycle (ABC), an integral ambient temperature probe and D2 chilled mirror sensor which are located in the sample chamber providing not only superior accuracy but the fastest response.

EdgeTech field proven Optical Chilled Mirror (OCM) technology

Completely self-sufficient and portable humidity calibration system

Highest accuracy available for both RH and temperature (AT):

RH Accuracy: ± 0.5%

RH Range: 5% to 95%

AT Accuracy: ± 0.2°C

AT Range: 10°C to 50°C

Temperature and RH controlled independently

Automatic correction for mirror contaminants

Certified measurements against NIST traceable standards

Standard features, where others charge extra

EdgeTech 1500 便携式露点监视器

Self-contained monitoring system includes everything needed for fast accurate dew point measurements

Finally, a portable Dew Point hygrometer that integrates the accuracy and reliability of the EdgeTech chilled mirror, with the battery life and ruggedness required for field use.

Introducing the Model 1500 portable chilled mirror hygrometer. This device incorporates all of the standard features that you’ve become accustomed to from EdgeTech, such as drift-free NIST traceable accuracy, low maintenance, high durability and ease of use, in a system that is ideally suited for the demands of field use. Whether you use the Model 1500 as a field transfer standard, or to spot check your process air dryness or Endo gas dew point, you’ll find this system trouble-free to operate.

The Model 1500 is a self contained system; not only is there no field assembly required, there’s no need to carry around a myriad of individual components such as control boxes, sensors, cables, pumps, and power cords. Simply attach the sample line, adjust the flow (with the integral flow meter) and turn on the power. Within minutes you’ll be collecting field dew point data with the same chilled mirror accuracy of a lab standard hygrometer. And with a nominal battery life of 12 hours, you will be able to collect for the entire shift or spot check your processes for several days.

Primary measurement technique

NIST Traceable

Rechargeable Batteries

Easily transportable in hard protective case

Wide measurement range(-75 to 75°C)

Microprocessor controlled

Self balancing

Chilled mirror sensor selection required

EdgeTech HTM 系列露点监视器 

便携式，電(diàn)池供電(diàn)的露点显示器非常适合压缩空气或机应用(yòng)

The HTM Series is a series of portable, battery powered dew point monitors that provide a quick response for dew points to –60°C. The unit is factory set to display humidity, temperature and dew point. Other selectable parameters are accessible via the RS232 connections. 

The sensor probe has a wide temperature range and is resistant to most chemicals. For applications where drawing a sample is not feasible,

the Model HTM sensor is flexible enough to be removed from its sample chamber and be remotely mounted. Field replaceable sensors are available with an interchangeability of ±1%. The HTM is ideally suited for compressed air and dryer applications. The HTM dew point monitor is calibrated and adjusted to a traceable reference standard and comes with a NIST traceable calibration certificate.

Battery powered

Portable, lightweight

Fast responding

Dew points to -60°C

Plug and play

EdgeTech DewMaster 冷镜式湿度计 

测量露点，绝对压力，ppmv的等焓湿参数

EdgeTech field-proven chilled mirror technology.

One, two or three stage sensors available - integral or remote from controller.

NIST traceable calibration certificate.

Depression range choice of either 45, 65 or 95°C . (one, two or three-stage cooling)

Automatic Balance Control (ABC)

Automatically corrects for most mirror contaminants.

Automatically restandardizes the instrument.

You choose time and interval of restandardization,for best convenience.

Increase the length of unattended operation.

Dual alarm capability

User programmable.

Can be set for latching or auto-reset mode.

Form C for greater versatility.

Serial and analog outputs.

RS232 communication with terminal, printer, or computer

Remote programming.

Data output such as dew point and alarm status.

0-5 VDC, 4-20 mA, 0-10 VDC, or 0-20mA

User scalable to drive peripheral devices.

Available simultaneously, one output per measurement parameter.

Scalable throughout the entire operating range of psychrometric variables.

Program via front panel or remote serial port.

Pressure transducer input for psychrometric variable.

3 parameter measurement - dew point, temperature, pressure

3 line dislpay and analog outputs

Table top/rack mount

Nema 4 housing option

EdgeTech DewTrak II 露点和湿度变送器

墙，风管，管道或遠(yuǎn)程安装，±0.2°C的精度和±0.05°C重复性

The EdgeTech Model DewTrak II dew point / humidity transmitter is an optical chill mirror hygrometer designed to continuously measure the moisture content in gases. The instrument is powered by 24Vdc.

The DewTrak II uses the chilled mirror dew point temperature condensation principle to determine the water vapor concentration in gas mixtures, and a platinum resistance thermometer to accurately measure that temperature. Outputs include 4 to 20mA, 0 to 5 Vdc, or 0-10Vdc and an RS232 serial port as well as electrically isolated relay contacts.

4 wire PRT measurement for Dew Point and AT (optional)

±0.2°C Accuracy for both Dew Point and Temperature

Long term stability and repeatability

RS232, bi-directional, Serial Output

Electronics housed in IP65 enclosure (Wall Mount)

Aluminum housing for other configurations

2 analog outputs (4-20mA / 0-5Vdc to 0-10Vdc selectable)

EdgeTech 137 飞机湿度计/Vigilant Aircraft Hygrometer

The EdgeTech Model 137 Vigilant Aircraft Hygrometer is a rugged, shock mounted military qualified instrument used for the primary measurement of dew point in flight or in installations with existing flow, such as wind tunnels.

It features a miniature remote dew point sensor employing a platinum resistance thermometer, and has 15 feet of interconnecting cable to the control unit. Precision calibration units for the linear analog outputs are included.

The specially designed dew point sensor is mounted through the skin of the aircraft and is mounted to either the left or right side of the aircraft.

The dew point is detected by using chill mirror technology assuring precision accuracy, repeatability and reliability.

Measure dew points in flight

Rugged shock-mounted, military qualified

Configuration for left or right hand mounting is available

110Vac power

Chilled mirror sensor selection required (Click here for information on sensor selection)

Edgetech 137 Aircraft Hygrometer

Edgetech 137-A1 Sensor Assembly, Miniature Probe: Single Stage (45C Depression)

Edgetech 137-A3 Sensor Assembly, Miniature Probe: Three Stage (65C Depression)

Edgetech 137-AS/L Aircraft Sampling System, Left Side from Pilots Perspective

Edgetech 137-AS/R Aircraft Sampling System, Right Side from Pilot's Perspective

EdgeTech HT120 系列湿度变送器 

精密变送器用(yòng)于快速，准确的湿度，气压，温度，绝对压力和露点测量

HT120 series is a precision transmitter that provides quick and accurate humidity, barometric pressure, temperature, absolute pressure and dew point measurements over a wide temperature range of -40°C to 120°C.  The stainless steel probe is easily adaptable for most applications and the optional display module (DIS) is a feature that not only monitors but controls the application process.

Probe only: three 0-10Vdc output and RS232 output

18 to 30Vdc power

Programmable scaling and selectable measurement parameters (wet bulb, ppmv, gr/lbs, dry bulb, etc.)

Optional Display (DIS option): 2 line LCD backlit display, three 4-20mA outputs, 2 programmable alarm relays housed in an IP65 enclosure

Accuracy ±1% nominal

Pressure rated to 700psia

Rated to 120°C temperature

?"NPT adjusting stainless steel pipe fitting

Field replaceable sensor maintaining published accuracy

EdgeTech HT60 系列湿度/温度/露点/压力变送器 

湿度/温度/露点/压力变送器 

The HT60 Series is a transmitter for humidity, temperature and dew point or barometric pressure applications and offers many other psychometric calculations.

The three measurements in one probe allows the end-user flexibility where space constraints are a concern. The series is configured for wall and duct applications and offers field replaceable sensor tips where interchangeability is within ±1%.

4-20mA (x3) scalable

RS-232 programmable and readable

Alarm, relays (x2) settable by end user

LCD display 2 line backlit (wall mount version only)

±1% RH

±0.5°C Temperature

±3mb Barometric Pressure

±1.0°C Dew Point

Wall & duct mount configurations

Field replaceable sensor tip interchangeability to 1%

EdgeTech 200M DewTrak 气象湿度系统 

非常适合安装需要湿度连续，自动，无人值守计量

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

Primary measurement technique

High accuracy and reliability

Certificate of Traceability to NIST provided

Sensing scheme discriminates between dew and contamination

Reduces maintenance requirements

No drift, no hysteresis

Fast response

No sensor calibration required

Self-diagnostics and continuous unattended operation. No balancing or other adjustments required

Chilled mirror sensor selection required

EdgeTech Com.Air 露点监视器 

连续和几乎免维护露点监测

The Com.Air dew point monitor has been designed by EdgeTech to offer the highest level of reliability and accuracy available in compressed air system dew point measurement.

Backed by more than 35 years experience, this primary measurement technology is fully NIST traceable and utilizes a chilled mirror sensor, the most accurate dew point sensing scheme available, to deliver consistent drift-free measurements without regular calibrations or sensor replacement.

Com.Air is a complete dew point monitoring System. The ruggedized aluminum NEMA-12 enclosure houses the sensor, control circuitry, as well as flow control and is easily wall-mounted to conserve space. Only the sample line and power connection is needed for the system to be operational.

Com.Air also offers a programmable Automatic Balance Control (ABC) cycle which corrects for the light reducing affects of mirror contaminates and allows for continuous monitoring and virtually maintenance-free operation

NIST Traceable

Virtually maintenance free

Easy to install

Self monitoring

User programmable audibleand visual alarms and relay contact

Programmable Automatic Balance Control (ABC)

Widest Available range -103 to 122°F (-75 to 50°C)

Chilled mirror sensor selection required

EdgeTech PPM1 微量水分(fēn)测定仪 

非常适用(yòng)于比较干净，干燥，惰性气體(tǐ)应用(yòng)

The PPM1 is a trace moisture analyzer designed specifically for monitoring moisture levels in dew point and PPM units. This trace moisture analyzer utilizes an electro-chemical (P205) sensor in combination with a proprietary semi permeable diffusion membrane. 

The principle of operation applies the Faraday’s Law of Electrolysis which measures the dissociation current making it a fundamental measurement of the moisture present. The PPM1 is ideally used in relatively clean, dry, inert gas applications.

Sensitivity below 1ppm

Fast response

Long sensor life

Low cost

Fundamental measurement of moisture content

Displays / outputs—dew point (C/F) and PPM values

EdgeTech PPM2便携式微量水分(fēn)测定仪

The PPM2 is a portable battery powered trace moisture analyzer designed specifically for monitoring moisture levels in dew point 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 fundamental measurement of the moisture present.  The PPM2 is ideally used in relatively clean, dry, inert gas applications.

PPM2-FV  Positive Pressure Application, a portable battery powered trace moisture analyzer with a flow valve.

PPM2-VP  Atmosphere / Vacuum Application, a portable battery powered trace moisture analyzer with a vacuum pump.

Battery Powered, rechargeable batteries, charger included

Fast Response

Sensitivity below 1ppm

Long sensor life

Fundamental measurement of moisture content

Displays/outputs - dew point (C/F) and PPM values

EdgeTech DPM-99 医用(yòng)空气露点湿度计 

满足医疗方面持续的露点监测和报警要求

The NFPA99 has mandated that for Med Gas systems the "dew point for locally compressed air shall be monitored and alarmed per 4-3.1.9.8 and 4-3.1.1.2(f) to protect from line pressure dew point rise to 39 degrees F (3.9 degrees C) from a nominal design of 35 degrees F (1.7 degrees C)." This safeguard was the foundation for the new EdgeTech DPM-99 Med Gas Dew Point Monitor.  This specifically designed monitor exceeds the requirements set forth by the NFPA and was a collaboration with AIRVAC Technical Services who are certified by P.IP.E as medical gas inspectors in all 50 US States. 

NFPA99 compliant

Audible and visual alarms

Continous dew point monitoring

Chilled mirror sensor selection required

EdgeTech DPS1 加热露点系统 

加热露点湿度计测量露点-35°C（-31°F）至95°C（203°F）

EdgeTech EC4 4.5立方英尺 高精度温/湿度校验箱

EdgeTech 625 手持式温湿度计

The Model 625 humidity/temperature hand-held hygrometer can display any of the following: RH and temperature, or dew point and temperature, or wet bulb and temperature. The unit includes the 625 hand held hygrometer, an integral humidity probe head, a handle and cable, a 9V battery, a travel case and a NIST traceable calibration certificate.

The Model 625 is an ideal instrument for indoor air quality (IAQ) and indoor environmental quality (IEQ) measurements of temperature and humidity. The EdgeTech 625 temp/RH probe can be used two ways: use it as an integrated unit by attaching the probe head to the instrument or connect both parts via a cable. The clear back-lit display can be switched between relative humidity, wet bulb, and dew point at the touch of a button.

Displays temperature, relative humidity, wet bulb temperature and dew point

Max - Min values

“Hold” button freezes display readings

Backlit display

Auto Off

Patented humidity sensor

EdgeTech 635-1 手持式湿度温度计

Accurate Humidity measurements are becoming increasingly important, along with eliminating the hindrance of wires and having the versatility to measure in those areas where cabling is almost impossible. The 635 is the solution for many of those applications.

The Model 635-1 is a robust and reliable measuring instrument with the protection class of IP54. The large back lit display allows the user to easily view the dew point, RH and temperature readings. The 635 offers both standard plug-in probes and optional wireless probes that can measure up to a distance of 20 meters. A maximum of 3 wireless probes can be used at one time and can be retrofitted with the 635 at anytime. All probes are equipped with a patented humidity sensor offering long term reliability and guaranteed accuracy based on results from worldwide laboratory tests. The 635 is equipped with a secured carrying strap for safe transporting and has heavy duty magnets on the back to ensure secure attachment at the measuring location.

Highest precision ±2%RH

Wireless probes can be retro fitted at any time

Backlit display

Protection type: IP54

Connection up to 3 wireless probes

Easy to follow menu

EdgeTech 6740 系列压缩空气变送器

The 6740 Series incorporates a ±1% maintenance free humidity probe ideal for checking humidity measurements for validation of critical environments. It's rugged, compact and protected by a waterproof aluminum housing. The accuracy of this probe has been tested and proven time and again in worldwide laboratory tests. The probe is equipped with a patented capacitive polymer %RH sensor.

Humidity monitoring in compressed air

6744 with display

6742 without display

Dew point range from 30 to -60°C

Pressure rated to 700 psia

1/2" NPT for mounting

2 wire loop powered

EdgeTech LC70 系列温湿度变送器

The LC70 Series is a series of low cost transmitters that measure humidity and temperature in energy management and HVAC applications. These units use a very accurate and reliable resistive sensor for humidity and a precision integrated-circuit temperature sensor for monitoring temperature. The LC70 series offers a cost effective yet durable humidity and temperature solution with easy integration to a display, PLC or control system.

Low cost transmitters

4-20mA loop powered

Accuracy:±3% RH，±0.5°C Temperature

12-32Vdc power

Commercial/industrial configurations

EdgeTech OxyMaster 16TDP 氧气和露点分(fēn)析仪

This model was made for fast, accurate and economic measurement of Oxygen and Dewpoint at trace levels.  A simple menu-driven software, touchpad and large LCD-display allow easy and fast start-up of the instrument.  The unit measures Humidity between -0.1 and 1000 ppm and Oxygen between 0 - 10000 ppm. 

Oxygen and humidity measurement in one unit

Oxygen measurement range 0-10000 ppm

Humidity measurement -0.1-1000 ppm

4-20mA outputs, RS232 and data logging included

User selectable measurement range

Oxygen sensor - a micro fuel cell,P2O5 trace moisture sensor

Power 85-230Vac, 24Vdc

Clear text graphic display

EdgeTech OxyT-RA 两線(xiàn)制氧气变送器

4-20 mA Loop Powered Two Wire Oxygen Transmitter 

The Model OxyTrans is an easy to use, accurate and economical way to measure Oxygen at trace and % levels. A simple display and one point calibration allows for a quick start of the instrument.

Measuring Range

The unit will offer ranges between 0-100ppm, 0-1,000ppm, 0-10,000ppm of oxygen. 0-1% to 0-25% O2.

Sensor

The OxyTrans uses a special fuel cell to measure the oxygen concentration. The sensor meets the industrial requirements for accuracy, sensitivity, easy to use and operating life.

Calibration

The calibration of the instrument for trace oxygen measurements in gas should be done with a known calibrated gas. The concentration can be chosen freely within the measuring range.

Flow-Through Measuring Cell in Stainless Steel

The measuring cell is modular and made of stainless steel. A defective measuring cell can be repaired by replacing the defective part only, rather than the complete unit.

A 2 wire in-line oxygen transmitter

4-20mA output

Display: 6 digit alphanumeric with bar graph

5 ranges offered: 0-100ppm, 0-1000ppm, 0-10000ppm, 0-1%, 0-25%

Oxygen sensor: a micro fuel cell

Easy, accessible potentiometer for one point field calibrations

OxyTrans-PSS 便携式氧气变送器

The Model OxyTrans-PSS is a portable oxygen transmitter that is fast responding, accurate and is capable of measuring oxygen at trace or percent levels.  The OxyTrans-PSS has the capability of measuring oxygen between 0 - 10,000 ppm or 0-25 % and offers ease of operation with a large readable LCD display and a durable aluminum case that protects the measuring equipment during transport.

4-20 mA Loop Powered Two Wire Oxygen Transmitter 

The OxyTrans-PSS uses a special micro-fuel cell to measure the oxygen concentration. The sensor meets the industrial requirements for accuracy, sensitivity, easy to use and has a long operating life.

The calibration of the instrument for trace oxygen measurements in gas should be done with a known calibrated gas. The concentration can be chosen freely within the measuring range.

The measuring cell is modular and made of stainless steel. A defective measuring cell can be repaired by replacing the defective part only, rather than the complete unit.

Portable oxygen transmitter

Oxygen ranges selectable within 0-10,000ppm and 0-25%

Power 85-230Vac, Optional: battery powered

Uses a micro-fuel sensor

In-line filter

Durable aluminum case

OxyTrans-SS氧气采样系统

4-20 mA Loop Powered Two Wire Oxygen Transmitter 

The Model OxyTrans is an easy to use, accurate and economical way to measure Oxygen at trace and % levels. A simple display and one point calibration allows for a quick start of the instrument.

The unit will offer ranges between 0-100ppm, 0-1,000ppm, 0-10,000ppm of oxygen. 0-1% to 0-25% O2.

The OxyTrans uses a special fuel cell to measure the oxygen concentration. The sensor meets the industrial requirements for accuracy, sensitivity, easy to use and operating life.

The calibration of the instrument for trace oxygen measurements in gas should be done with a known calibrated gas. The concentration can be chosen freely within the measuring range.

Flow-Through Measuring Cell in Stainless Steel

The measuring cell is modular and made of stainless steel. A defective measuring cell can be repaired by replacing the defective part only, rather than the complete unit.

Integrated oxygen sampling system

Right angle display O2 transmitter

Panel size 15in (38.1cm) square

Many measuring ranges available

Options: pump and AC/DC power supply

OxyTrans-EX 防爆氧气变送器

The Model OxyTrans is an easy to use, accurate and economical way to measure Oxygen at trace and % levels. A simple display and one point calibration allows for a quick start of the instrument.

The unit will offer ranges between 0-100ppm, 0-1,000ppm, 0-10,000ppm of oxygen. 0-1% to 0-25% O2.

The OxyTrans uses a special fuel cell to measure the oxygen concentration. The sensor meets the industrial requirements for accuracy, sensitivity, easy to use and operating life.

The calibration of the instrument for trace oxygen measurements in gas should be done with a known calibrated gas. The concentration can be chosen freely within the measuring range.

The measuring cell is modular and made of stainless steel. A defective measuring cell can be repaired by replacing the defective part only, rather than the complete unit.

A 2 wire explosion-proof in-line oxygen transmitter

II 1/2 G Ex ia IIC T4 (ATEX approved)

4-20mA output

Display: 6 digit alphanumeric with bar graph

5 ranges offered: 0-100 ppm, 0-1,000 ppm, 0-10,000 ppm, 0-1%, 0-25%

Oxygen sensor: a micro fuel cell

Easy, accessible potentiometer

ELH Series 精密湿度检验箱

The EdgeTech ELH Series is a series of precision humidity chambers, with NIST traceable accuracies in humidity (±0.5% typical), temperature (±0.1°C) and dew point (±0.2°C).  The ELH Series consist of a programmable controller for constant precision control and uniformity, and an integrated DewMaster chilled mirror hygrometer for accurate temperature and humidity measurements. 

The ELH series offers three standard chamber sizes: 1.5cu.ft., 6cu.ft. and 10cu.ft.  Larger volume chambers are also available.

All chambers use an environmentally safe non-depleting refrigerant.

Precise chamber controls

Hygrometer utilizes primary measurement techniques

Historically proven and unsurpassed humidity control system

Sensing system discriminates between dew and contaminants

Programmable controller for automatic ramping, soaking and alarming

Stainless steel interior

Fully adjustable shelf

Demineralizing cartridge system

2 inch access port

Drain: hard piped

DewGen 高精度露点发生器

The EdgeTech DewGen is a divided flow dew point generator that can generate dew points from +15°C to frost points of -80°C.  The source gas is typically dry nitrogen and can be used as a stand-alone or used with an EdgeTech DewMaster with an S3 chilled mirror dew point sensor resulting in a very accurate, NIST traceable calibration system.

The DewGen can go wherever needed, in the laboratory or in the field.

Creates a known dew/frost point over a wide range

NIST traceable when used with EdgeTech DewMaster

High accuracy and repeatablity

Constant regulated dew point output

No electric power required - can go anywhere

Ideal for portable applications

Inherently explosion proof