توضیحات
dew.IQ
Moisture analyzer
Features
• Rack, bench, panel, and wall mount configuration
• NEMA 4 weatherproof membrane front display/keypad
• M Series or IQ.probe moisture probe compatible
• Displays moisture content in dew/frost point and ppmv
• Built-in isolated current or voltage analog output
• Fail-safe fault alarm relay
• Two measurement alarm relays
Applications
This Panametrics single-channel analyzer measures
moisture in process gases. Designed for installation in
industrial settings, it is used in conjunction with IQ.probe
and M series moisture probes for industries including:
• Industrial gas
• Furnace gas/heat treating
• Power generation
• Air dryer
• Pharmaceutical
• Aerospace
Low cost, real-time moisture measurement
The dew.IQ is an economical, single channel, aluminum oxide
hygrometer in the IQ Series line of analyzers. It is intended for
industrial applications requiring accurate, real-time moisture
measurement.
Intelligence simplified with IQ.probe
and M series probes
Installing the dew.IQ is highly intuitive. As a field upgrade for
its predecessors, the Panametrics MMS35, System 580, Model
600 and 700 or even earlier models, the M Series probe and
cable mate to the dew.IQ in minutes, minimizing installation
costs. For new installations, the IQ.probe stores its calibration
digitally, eliminating the need for shielded cable.
Both the IQ.probe and the M Series moisture probes are
rugged and accurate true absolute humidity sensors with
calibration traceable to national standards. Exceptional
dynamic range, speed of response and calibration stability
have made the aluminum oxide sensor the standard for
performance and value in industrial moisture measurement
for more than 40 years.
Microprocessor-based electronics
The microprocessor-based dew.IQ accurately tracks fastchanging process conditions, and displays the moisture
content as dew/frost point temperature in °F or °C or
as ppmv with a constant pressure input on an LCD. The
measurement is also available as an analog output. The
dew.IQ features built-in isolation to ensure the integrity of
signals to remote devices. The meter also features two Form
C alarm relays for high and low moisture limits. The large
display and six-button keypad combine to make selection of
analog output zero and span, alarm set-points fast and easy,
and entry of calibration data simple.
dew.IQ specifications
Electronics
Intrinsic safety
External safety barrier for moisture input
(optional on M Series Probe)
European compliance
Complies with EMC directive 2004/108/EC and
2006/95/EC low voltage directive (installation
category II, pollution degree II)
Input
Moisture signal from an M series probe or IQ.probe
Analog output
Single internal isolated recorder output,
internally optically isolated, 10-bit (0.1%) resolution
Switch-selectable outputs
• 0 to 2 V, 10k W minimum load resistance
• 0 to 20 mA, 400 W maximum series resistance
• 4 to 20 mA, 400 W maximum series resistance
user-programmable within the range of the
instrument and the corresponding sensor or transmitter
Alarm relays
• One fail-safe fault relay
• Two standard Form C relays SPDT, rated for 3 A
at 250 VAC/30 VDC
• Set to any level within the range of the instrument;
programmable from the front panel
Alarm set point repeatability
±0.2°F (±0.1°C) dew point
Datalogger
32 GB capacity with MicroSD card, 4 GB card included
Display
128 x 64 matrix LCD
Display functions
Dew point temperature in °F or °C, ppmv with a constant
pressure input, or sensor signals for diagnostics
Power requirements
Universal power 100-240 VAC @ 50-60 Hz, or 24 VDC nominal
Temperature
• Operating: –20° to 60°C (–4° to 140°F)
• Storage: –40° to 70°C (–40° to 158°F)
Warm-up time
Meets specified accuracy within three minutes
Configurations
• Panel (front panel meets Type 4 and IP66)
• 9.5 inch half-rack Bench top
• Type 4 and IP66 Wall mount
Moisture measurement
Sensor type
Thin-film aluminum oxide
Moisture probe compatibility
Compatible with all Panametrics M Series
aluminum oxide moisture probes and IQ.probe
Calibration
• Standard: 10 to –80°C (50 to -112°F) with extrapolated data
from 20 to -110°C (68 to -166°F)
• Low-Range: –110° to –50°C (–166° to –58°F)
• High range data: –80° to 60°C (–112° to 140°F)
Calibrated accuracy at 77°F (25°C)
• ±3.6°F (±2°C) above -148°F (–100°C)
• ±5.4°F (±3°C) below -148°F (-100°C)
Repeatability
• ±0.4°F (±0.2°C) above -148°F (–100°C)
• ±0.9°F (±0.5°C) below -148°F (–100°C)
Copyright 2022 Baker Hughes Company. All rights reserved.
BHCS38736 (01/2022) panametrics.com
Panametrics, a Baker Hughes Business, provides solutions in
the toughest applications and environments for moisture,
oxygen, liquid and gas flow measurement.
Experts in flare management, Panametrics technology also
reduces flare emissions and optimizes performance.
With a reach that extends across the globe, Panametrics’
critical measurement solutions and flare emissions
management are enabling customers to drive efficiency
and achieve carbon reduction targets across critical
industries including: Oil & Gas; Energy; Healthcare; Water and
Wastewater; Chemical Processing; Food & Beverage and
many others.
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