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MS2901E High Resolution ER Transmitter

4-20 mA / HART Output

View Data Sheet (PDF)
Hazardous Location Certifications

Metal Samples' new compact MS2901E 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 provided in a weather-proof (IP 66 / NEMA-4X) and explosion proof cast aluminum enclosure. 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.

The MS2901E is completely loop-powered with an in-built isolator, so installation is simple. No external isolator/barrier is necessary. 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

Model
MS2901E - High Resolution ER 4-20mA HART Transmitter, Direct Mount
MS2901E-XX* - High Resolution ER 4-20mA HART Transmitter, Remote Mount
XX* = Cable length in feet, up to 30 feet maximum, in 5 foot increments.
 
Physical Data
Instrument Weight: 5.25 lb. (2.38 Kg)
Total Weight w/ Accessories: 7.31 lb. (3.31 Kg)
Instrument Dimensions: 9.0" H x 5.3" W x 5.0" D
(22.86cm H x 13.46cm W x 12.70cm D)
 
   
Operating Temperature: -40° to 158°F (-40° to 70°C)
Storage Temperature: -40° to 176°F (-40° to 80°C)
   
Enclosure Material: Cast Aluminum (Copper-Free)
Mounting Specifications: Direct probe mount or Remote mount
(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  
Connection: 4 to 20 mA with HART, 2 Wire
Power Requirements: 11 to 28 VDC
Current Consumption: 4 to 22.5 mA
Maximum 20mA without alarm/22.5mA with alarm
Electrical Connection: 1/2” NPT entry with Ex Gland
3/4” or other entries are available with adaptors*
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
   
Europe and Worldwide
(ATEX and IECEx)
II 2(1) G Ex db [ia Ga] IIC T6….T4 Gb
II 2(1) D Ex tb [ia Da] IIIC T85°C …T130°C Db
- 40°C ≤ Tamb ≤ + 70°C
Ex db [ia Ga] IIC T6….T4 Gb
Ex tb [ia Da] IIIC T85°C …T130°C Db
- 40°C ≤ Tamb ≤ + 70°C

 

ATEX Certificate No: ITS14ATEX27981X
IECEx Certificate No: IECEx ITS 14.0010X

   
USA and Canada
(ETL)
Class I, Zone 1, AEx db [ia Ga] IIC T6….T4 Gb
Class I, Division 2, Groups A, B, C & D, T6…T4
   
Hazardous Location Certifications - Enclosure
Case Specifications: Explosion Proof (FM, CSA, UL)
  IP 66, NEMA 4X, 7BCD, 9EFG
   
Included Accessories (Direct-Mount Model)
Meter Prover, Operations Manual
   
Included Accessories (Remote-Mount Model)
Meter Prover, Operations Manual, Probe Cable, Mounting Hardware Kit

   
*Contact Metal Samples for special cables and cable entries.



MS2901E Ordering Information

Model
MS2901E - High Resolution ER 4-20mA HART Transmitter, Direct Mount
MS2901E-XX* - High Resolution ER 4-20mA HART Transmitter, Remote Mount
  XX* = Cable length in feet, up to 30 feet maximum, in 5 foot increments.

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Metal Samples Company

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

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

E-mail: msc@alspi.com


 
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