MTL5074 TEMPERATURE CONVERTER THC or RTD input With Good Price In Ready Ship
MTL5074 TEMPERATURE CONVERTER THC or RTD input
The MTL5074 converts a low-level dc signal from a temperature sensor mounted in a hazardous area into a 4/20mA current for driving a
safe-area load. Software selectable features include linearisation, ranging, monitoring, testing and tagging for eight thermocouple
types and 2-, 3- or 4-wire RTDs. For thermocouples requiring coldjunction compensation, the HAZ-CJC plug can be ordered with the
product, and includes an integral CJC sensor.
See also common specification of MTL5074
Number of channels
One
Signal source
Types J, K, T, E, R, S, B or N THCs to BS 4937
EMF input
2/3/4-wire platinum RTDs to BS 1904/DIN43760 (100Ω at 0°C)
Location of signal source
Zone 0, IIC, T4 hazardous area
Div.1, Group A, hazardous location
Input signal range
–75 to +75mV, or 0 to 400Ω (Input impedance 10MΩ)
Input signal span
3 to 150mV, or 10 to 400Ω
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
Series mode rejection
40dB for 50Hz or 60Hz
Calibration accuracy (at 20°C)
(includes hysteresis, non-linearity and repeatability)
Inputs:
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)
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 burnout
Upscale, downscale, or off
Output range
4 to 20mA nominal (direct or reverse)
Maximum load resistance
600Ω
LED indicator
Green: one provided for power and status indication
Power requirement, Vs with 20mA signal
68mA at 24V
82mA at 20V
52mA at 35V
Power dissipation within unit with 20mA signal
1.5W at 24V
1.6W at 35V
Approx weight:500G
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Windy Wang
HONGKONG XIEYUAN TECH CO., LIMITED
Add: 7-A16,Caishen Commercial Plaza,Hankou Railway Station,Wuhan,China
Tel: +86-27-8588 3233 | Fax:+86-27-8530 9780 | Mobile/Whatsapp :+86 15972199006 |
Skype: windy@hkxytech.com Mail: windy@hkxytech.com
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