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In many industries the need for monitoring gas flow involves hazardous gases, potentially dangerous operating environments or simply a desire for a rugged, industrial-strength configuration. These applications include many common manufacturing processes, natural gas metering, compressed air auditing, etc. The Master-Touch MP Series is now approved for use in hazardous area locations:
Class I Division 1 Groups B, C and D; Class II E, F and G; Class III; Type 4X, 7; Ex d IIC; AEx d IIC, IP66; EEx d IIC, IP66; T2 (consult factory for T3 or T4).
Certified to US requirements; Certified to Canadian requirements
Certified to European ATEX requirements   
The remote enclosure is certified for use in Ordinary (Non-Hazardous) area locations:
Type 4X, IP66
Master-Touch™ Technology
 EPI’s Master-Touch™ flowmeters incorporate the following subsystems to perform signal processing functions: sensor, bridge controller, microcomputer, and I/O communication outputs. Our proprietary microcomputer performs digital signal processing (DSP) functions utilizing a high speed, high resolution 16-bit analog to digital converter (ADC), a central processing unit (CPU) and a high resolution 14-bit digital to analog converter (DAC). Our CPU is an embedded microprocessor including random access memory (RAM), read-only memory (ROM), a serial communications controller (SCC), and I/O data lines.
Menuing System
In addition to the basic Run Mode for day-to-day operations, the Master-Touch includes a menuing system that is accessed via the 4-button keypad or a PC running EPICommunicator™ software, and now features eight operational menus with their submenu items:
100 *Meter* Menu — This menu is used change the displayed engineering units, change the scaling of the output signals, and reset the stored values for elapsed total, high and low flow rates, timestamps, etc.
200 *Utility* Menu — This menu is used to change a variety of microprocessor parameters, such as the display update rate, the internal date and time, the analog-to-digital (ADC) and digital-to-analog (DAC) signal conversion filters, etc.
300 *Status* Menu — This menu includes a series of submenus which present basic information about the flowmeter set up and status.
400 *Alarms* Menu — This menu is used to control the relay options, including pulsed outputs, high/low trip points, etc.
450 *E-Log* Menu — This menu is accessed via EPICommunicator’s E-Logger™ module to perform datalogging functions.
700 *S-Curve Fit* Menu — This menu is used to modify the factory calibration with a set of secondary coefficients based on customer data.
750 *PW-Curve Fit* Menu — This menu is used to make adjustments to the linear output signal at specific 5% intervals of the calibrated full scale flow rate.
800 *P-Curve Fit* Menu — This menu is used to access the global C-Factor, change the stored cross-sectional area value, etc.
You may download the Instruction Manual (see below) or go to our EPICommunicator page for a complete discussion of these features.
In the Master-Tou ch MP Series, the electronics enclosure at the point of measurement is approved for hazardous locations. In our integralstyle flowmeters, these electronics include all components including the flow rate and total display as well as a four-button keypad. Although our standard remote style configurations have a general purpose enclosure for installing at some distance from the point of measurement, explosion-proof enclosures for the remote electronics are also available.
MASTER-TOUCH™ MP Series Thermal Mass Flowmeters
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SPECIFICATION NOTICE
The
specifications presented are subject to change without notice.
EPI cannot guarantee the applicability or suitability of our
products in all situations, since it is impossible to anticipate
or control every condition under which our products and specifications
may be used.
LIMITED WARRANTY
Eldridge Products, Inc. (EPI) warrants its products to be free
from defects in materials and workmanship for one year from the
date of factory shipment. If there is a defect, the purchaser must
notify EPI of the defect within the warranty period. Upon receipt
of the defective product, EPI will either repair or replace the
defective product or refund the purchase price at its sole option.
EPI MAKES NO OTHER WARRANTY, EXPRESS OR IMPLIED, AS TO THE PRODUCTS.
EPI MAKES NO WARRANTY THAT THE GOODS SOLD TO ANY PURCHASER ARE
FIT FOR ANY PARTICULAR PURPOSE. FURTHERMORE, EPI MAKES NO WARRANTY
OF MERCHANTABILITY WITH RESPECT TO ANY PRODUCTS SOLD TO ANY PURCHASERS.
There are no other warranties that extend beyond the description
on any brochure or price quote.
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