Eaton MTL4575-MTL5575 Temperature Converter MTL Intrinsic Safety Intrinsically Safe Isolators MTL5500 range-hkxytech
  • Eaton MTL4575-MTL5575 Temperature Converter MTL Intrinsic Safety Intrinsically Safe Isolators MTL5500 range
  • Eaton MTL4575-MTL5575 Temperature Converter MTL Intrinsic Safety Intrinsically Safe Isolators MTL5500 range

Eaton MTL4575-MTL5575 Temperature Converter MTL Intrinsic Safety Intrinsically Safe Isolators MTL5500 range

2018-07-04 16:51:41


1ch Temperature converter, RTD / THC with alarm……


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Eaton MTL4575-MTL5575 Temperature Converter THC or RTD input+Alarm MTL Intrinsic Safety Intrinsically Safe Isolators MTL5500 range


1ch Temperature converter, RTD / THC with alarm


Similar Types : MTL5018AC, MTL5501-SR, MTL5510, MTL5510B, MTL5511, MTL5513, MTL5514, MTL5514D, MTL5516C, MTL5517, MTL5521, MTL5522, MTL5523, MTL5523V-VL, MTL5524, MTL5525, MTL5526, MTL5541, MTL5541A, MTL5541AS, MTL5541S, MTL5544,  MTL5544A, MTL5544AS, MTL5544D, MTL5544S, MTL5546, MTL5546Y, MTL5549, MTL5549Y,  MTL5573, MTL5575, MTL5576-RTD, MTL5576-THC, MTL5581, MTL5582, MTL5582B, MTL5531, MTL5532, MTL5561, MPA5500, MTL5051, MTL5053, MTL5314, MTL5599, PSG60E24RM (replaces MTL5991)


The MTLx575 converts a low-level dc signal from a temperature sensor mounted in a hazardous area into a 4/20mA current for driving a safearea load. Software selectable features include linearisation, ranging, monitoring, testing and tagging for all thermocouple types and 2-, 3- or 4-wire RTDs. (For thermocouple applications the HAZ-CJC plug on terminals 1–3 includes an integral CJC sensor). Configuration is carried out using a personal computer. A single alarm output is provided and may be configured for process alarm or to provide notice of early thermocouple failure.




Number of channels



Signal source

THC types J, K, T, E, R, S, B or N to BS 60584 and XK mV input

RTDs 2/3/4-wire platinum to BS 60751

Pt 100, Pt 500, Pt 1000

Cu-50 & Cu-53

Ni 100/500/1000 DIN 43760


Location of signal source

Zone 0, IIC, T4-6 hazardous area

Division 1, Group A, hazardous location


Input signal range

–75 to +75mV, or 0 to 400Ω (0 to 1000Ω Pt & Ni sensors)


Input signal span

3 to 150mV, or 10 to 400Ω (10 to 1000Ω Pt & Ni sensors)


RTD excitation current

200µA nominal


Cold junction compensation

Automatic or selectable


Cold junction compensation error

≤ 1.0°C


Common mode rejection

120dB for 240V at 50Hz or 60Hz (500ms response)


Series mode rejection

40dB for 50Hz or 60Hz


Calibration accuracy (at 20°C)(includes hysteresis, non-linearity and repeatability)

Inputs: (500ms response)

mV/THC: ± 15µV or ± 0.05% of input value

(whichever is greater)

RTD: ± 80mΩ

Output: ± 11µA


Temperature drift (typical)


mV/THC: ± 0.003% of input value/°C

RTD: ± 7mΩ/°C

Output: ± 0.6µA/°C


Example of calibration accuracy and temperature drift(RTD input - 500ms response)

Span: 250Ω

Accuracy: ± (0.08/250 + 11/16000) x 100%

= 0.1% of span

Temperature drift: ± (0.007/250 x 16000 + 0.6) µA/°C

= ±1.0µA/°C


Safety drive on sensor failure

Upscale, downscale, or off


Early burnout

Early burnout detection for thermocouples (when selected)

Alarm trips when loop resistance increase is > 50Ω


Output range

4 to 20mA nominal into 600Ω max.


Alarm output (configurable)

Relay ON in alarm, 250mA @ 35V max


Maximum lead resistance (THC)



Response time

Configurable - 500 ms default

(Accuracy at 100/200ms - contact MTL)


LED indicator

Green: power and status indication

Yellow: alarm indication, on when contacts are closed


Maximum current consumption (with 20mA signal)

50mA at 24V


Power dissipation within unit (with 20mA signal)

1.2W at 24V


Safety description

Refer to certificate for parameters. Um=253V rms or dc



A personal computer running MTL PCS45 software with a

PCL45USB serial interface.


If you have any question, please do not hesitate to contact with me online

Contact details :

Shirley Sun

Sales Engineer


Add : 7-A16, Caishen Commercial Plaza, Hangkou Railway Station, Wuhan, China

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