Item # Promet EExd, Promet EExd Flameproof Process Moisture Analyzers on Michell Instruments, Inc. Michell Instruments, Inc. - Item # Promet EExd, Promet EExd Flameproof Process Moisture Analyzers
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Promet EExd Flameproof Process Moisture Analyzers
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Promet EExd Flameproof Process Moisture Analyzers

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Promet EExd is process moisture analyzer certified as flameproof for use in IEC Zone 1 and 2/NEC Class 1 Div1. Promet EExd offers single and dual channel moisture measurement, with integrated electronic pressure reading, within a single field-installed flameproof housing. User interface is provided through the bright vacuum fluorescent display and touch screen controls. Comprehensive Sampling Systems of state-of-the-art design, with best practice sample filtration, pressure reduction and flow control, and a range of options are available to fulfill user-specific installation and application requirements.



Specifications · Hazardous Area Certification · Remote Interface · Ordering Information

Specifications

Channel Configurations

Single and two channel

Moisture Parameters

Dew point ºC and ºF

Moisture Content

Automatic pressure compensated conversions:
ppmV for natural gas and ideal gas lbmmscf and mg-m-3 for natural gas.
Dew point at a pressure input by the user for natural gas and ideal gas.
Calculations for natural gas moisture content based on either ISO 18453 or IGT#8 to customer order preference.

Analysis pressure

barg
MPa
psig

Sensor Technology

Michell Ceramic Moisture Sensor

Measurement Range

-120ºCdp to +30ºCdp (-184 to +86ºF)
1 ppbV to 30,000 ppmV
0 to 250 barg (0 to 3625 psig)

Calibration Range

-100ºCdp to +20ºCdp (-148ºFdp to +68ºFdp)
10 ppbV to 23,000 ppmV

Accuracy

Dew point: ±1ºC between -59.9 & +20ºCdp (±1.8ºF between 75.8 & 68ºFdp)
Moisture content: ±10 % of reading
Dew point: ±2ºC between -60 & -100ºCdp (±3.6ºF between -76 & 68ºF dp)
Moisture content: ±20 % of reading
Analysis Pressure: ±0.25 % FS.

Measured Resolution

0.1ºC (0.18ºF): -80 to +20ºCdp (-112 to +68ºF)
1ºC (1.8ºF): -100 to -80ºCdp (-148 to -112ºF)

Displayed Resolution

Dew point: 0.1ºC (0.18ºF)
Moisture content: autoscale, 5 digits
MPa and BarG: 0.1, psig: 1.0

Resolution

0.1ºC between +20ºC dp and -80ºC dp (0.18ºF between +68 and -112ºF dp)
1ºC between -80ºC dp and -100ºC dp (1.8ºF between -112 and -148ºF dp)

Temperature Coefficient

Algorithm compensation

HMI: Keyboard Interface

Capacitive touch-screen through glass

Display

Vacuum fluorescent

Data Logging

A rolling maximum of 150 data logs is available. Each log records time, date, moisture and pressure values for each channel.
5 minutes minimum and 60 minutes maximum logging intervals can be set by the user.

Communications and Output

Two non-isolated 4-20 mA per measurement channel. 500 Ω maximum load. Range and parameter settable by user.
Modbus RTU @ 9600 baud-rate
Alarms: two volt free contacts per channel; one process value and one instrument status. Also available via Modbus communications

Main Unit Enclosure

Internal temperature control for condensation protection and stable analysis conditions

Type

Flameproof EExd

Construction

Cast copper-free aluminum

Finish

Chromate primer, Polyester P9010 powder coated (black). Meets BS3900

Maximum Operating Pressure

206 barg
2988 psig

Sample Connections

1/4" NPT (female)

Sample Flow Rate

0.5 to 5.0 L/min
1 to 10.5 scfh

Sample Flow Alarm

Optional

Power Supply

90 to 264 VAC, 47 to 63 Hz, 110 to 300 VDC, 180 W

Operating Environment

Indoor/Outdoor -20ºC to +60ºC (-4 to +140ºF)
Max 95 % rh. Shaded location

Hazardous Area Certification
ATEX Certification: II 2 G
Code: EEx d IIB + H2 T4 (135ºC) IP66 Tamb -40 to +60ºC (-40 to +140ºF)
Certificate number: TRL06ATEX21093X
CCSAus approved: Div 1, Class 1, Group B, C, D
Certificate number: 1722693

Remote Interface

Optional For Indoor Safe Area Installation Host Capacity

Up to 31 Michell EExd Process Instrumentation Range analyzers in any combination of models via Modbus

Display

Backlit color 15 cm/6" LCD

User Interface

Integral mouse, on-screen keyboard

Function

View and modify analyser operating settings. Record parameters to file and view virtual chart recorder Analyser diagnostics.

Ports

LAN, USB2

Data Download

CSV (comma separated variable) format for easy import to Excel™

Remote Access

OPC (OLE for Process Control) over a LAN Imbedded web page/unique IP address for PC access.

Power Supply

100-280 V, 50/60 Hz

Ordering Information

Promet Eexd Main Unit (ISO18453 calculation software)

Promet EExd single channel / two channel (PTS 1N/2N)
Promet EExd single channel / two channel with flow alarm(s) (PTS 1F/2F)

Alternative Version (IGT bulletin No. 8 calculation software)

Change PTS codes to PTG respectively

Certification

ATEX certified system (AT)
cCSAus certified system (CS)

Premium Sampling Systems (Base versions (panel-mounted, intermediate pressure))

Natural gas single channel / two channel, barg rated (1000 psig) (SAM-PT-N1/N2)
Trace moisture single channel / two channel, 69 barg rated (1000 psig) (SAM-PT-T1/T2)

Enclosure

304 stainless steel enclosure, IP66 (NEMA 4) - single channel / two channel (A1/A2)
316 stainless steel enclosure, IP66 (NEMA 4) - single channel / two channel (B1/B2)

High Pressure Rating

Natural gas higher pressure, 138 barg rated (2002 psig) - single channel / two channel (D1/D2)
Trace moisture higher pressure, 138 Barg rated (2002 psig) - single channel / two channel (E1/E2)

Heater / Thermostat (Available only with enclosure)

Standard heater/fixed thermostat 20ºC (68ºF) - single channel / two channel (F1/F2)
Thermostatic heater, adjustable 0 to 50ºC (32 to 122ºF) - single channel / two channel (G1/G2)

Enclosure Cooling For Hot Desert Climate Installation

Enclosure cooling - instrument air supply required single channel / two channel (H1/H2)

Trace Heated Sample Tubing

Trace Heated Sample Line Assembly where XX is length in meters (min 3, max 15). Seamless 316L stainless steel, 6 mm or 1/4" OD tube, fluoropolymer self-regulating heating cable, glass fiber insulation, with PVC outer sheath. Factory assembled, wired and terminated into Premium Sampling System enclosure. J1 - Channel 1, J2 - Channel 2. (J1.XX/J2.XX)

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