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MS2900E High Resolution ER Transmitter

4-20 mA / HART Output

View Data Sheet (PDF)
User's Manual (PDF)
Device Descriptor files (download)

Metal Samples' new compact MS2900E ER Transmitter (ERT) measures all types of electrical resistance (ER) corrosion probes using state-of-the-art algorithms and data analysis. The new high-resolution, 16-bit measurement provides faster response, obtaining corrosion rates in hours instead of days. Metal loss gets updated and transmitted after each measurement cycle in the form of 4-20mA /HART signal.

The transmitter is available in a weather-proof (IP66) stainless steel enclosure designed for applications which do not permit aluminum enclosures (such as offshore environments or Zone 0 hazardous areas).

It is designed to be mounted directly to the probe, but can also be mounted nearby using the optional mounting kit and a customer-supplied mounting pole.

MS2700E High Resolution ER Transmitter
The MS2900E is completely loop-powered, so installation is simple. A two-wire connection is all that is required for both instrument power and data transmission. Setup is also simple, using a set of switches to select the probe type to be measured.

Technical Specifications

MS2900E - High Resolution ER 4-20mA HART Transmitter
Physical Data
Instrument Weight: 3.70 lb. (1.68 Kg)
Total Weight w/ Accessories: 5.76 lb. (2.61 Kg)
Instrument Dimensions: 6.0" H x 4.0" Dia. (15.25 cm H x 10.16 cm Dia.)
Operating Temperature: -40° to 158°F (-40° to 70°C)
Storage Temperature: -40° to 176°F (-40° to 80°C)
Enclosure Material: 316 Stainless Steel
Enclosure Rating: IP66
Mounting Specifications:

Direct probe mount (standard)
May be pole mounted using optional hardware
(Up to a 2.5" (6.35 cm) Dia. pole)

Performance Data  
Measurement Type: ER measurement using any standard ER probe type
(Wire Loop, Tube Loop, Cylindrical, Flush, Strip, etc.)
Range: 0-100% of probe life
Resolution: 0.0015% of Probe Life (16-bit)
Cycle Time: ~1 Minute
Electrical Data  
Power Requirements: 11 to 28 VDC
Maximum Probe Cable Distance: 30 ft (9.1 m)
Output Data  
Output Signal: 4-20mA output with HART protocol
Alarm Signal: - Current Output Configurable
- Digital interface
Load: - min. 250 Ohms for HART Communication
Hazardous Location Certifications - Intrinsic Safety
Europe and Worldwide
(ATEX and IECEx)
II 1 G Ex ia IIC T4 Ga
- 40°C ≤ Tamb ≤ + 70°C
Ex ia IIC T4 Ga
- 40°C ≤ Tamb ≤ + 70°C

ATEX Certificate No: ITS14ATEX27981X
IECEx Certificate No: IECEx ITS 14.0010X
USA and Canada
Ex ia IIC T4 Ga
Class I, Division 1, Groups A, B, C & D, T4
Class I, Zone0, AEx ia IIC T4 Ga
-40° C ≤ Ta ≤ +70° C
Included Accessories  
33’ (10 meters) Current Loop Wiring Harness, Meter Prover, Operations Manual
Optional Accessories  
Probe Extension Cable, Remote Mounting Hardware

MS2900E Ordering Information

MS2900E - High Resolution ER 4-20mA HART Transmitter

Your Part Number



Metal Samples Company

P.O. Box 8
152 Metal Samples Rd.
Munford, AL 36268

: (256) 358-4202
Fax: (256) 358-4515

E-mail: msc@alspi.com

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