Product overview
MTL4575 1channel Temperature converter, RTD/THC with alarm
MTL4575 1channel Temperature converter, RTD / THC with alarm
MTL4575 product specification as below for your reference.
MTL4575 1channel Temperature converter, RTD/THC with alarm
MTL4575 –
MTL5575 TEMPERATURE CONVERTER THC or RTD input + Alarm
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.
SPECIFICATION
MTL4575 1channel Temperature converter, RTD/THC with alarm
See also common
specification
Number of
channels
One
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)
Inputs:
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)
600Ω
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
Configurator
A personal
computer running MTL PCS45 software with a
PCL45USB serial interface.
Other related models for MTL4500 range as below
MTL4575 1channel Temperature converter, RTD/THC with alarm
MTL4501-SR
MTL4504
MTL4510
MTL4510B
MTL4511
MTL4513
MTL4514D
MTL4514_B
MTL4516
MTL4516C
MTL4517
MTL4521
MTL4521L
MTL4523
MTL4523L
MTL4523R
MTL4523V-VL
MTL4524
MTL4524S
MTL4525
MTL4526
MTL4541
MTL4541A
MTL4541AS
MTL4541B
MTL4541P
MTL4541S
MTL4541T
MTL4544
MTL4544A
MTL4544AS
MTL4544B
MTL4544D
MTL4544S
MTL4546
MTL4546C
MTL4546S
MTL4546Y
MTL4549
MTL4549C
MTL4549Y
MTL4573
MTL4575
MTL4576-RTD
MTL4576-THC
MTL4581
MTL4582B
MTL4531
MTL4532
MTL4561
MTL4599
MTL4599N
MTL4575 1channel Temperature converter, RTD/THC with alarm
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Contact details
HONGKONG XIEYUAN TECH CO., LIMITED
Telephone:86-
Mobile :86-(Whatapp&Wechat
is available)
Skype:xyautomation
E-mail:sales1@hkxytech.com
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