WILKERSON INSTRUMENT CO., INC.

MM4130L Thermocouple Input Linearized
Plug-In Mighty Module Transmitter

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MM4130

MM4130L
Thermocouple Input
Linearized
Plug-In
Mighty Module
Transmitter

$400.00

The following information must be entered to complete your order:
See "Specifications" below for Input and Output range limits.

Power:

Input:
Zero Scale
Full Scale
Units
  Thermocouple Type
Output: Zero Scale
Full Scale
Units

Quantity:

 

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Specifications
 
  • Features
  • Description
  • Specifications
  • Dimensions
  • Connections
  • Provides a Fully Isolated DC Output Proportional to any Thermocouple Input
  • Analog and Digital Linearization Options Available
  • Cold Junction Compensated
  • 5 mV Minimum Input Span
  • Unlimited Choice of Input / Output Ranges (Within specified range limits)
  • Upscale Burnout Protection (Downscale Available)
  • Choice of Power Options
  • 10 Year Warranty

The MM4130L provides a DC output voltage or current, fully isolated from input, line power and ground, proportional to a thermocouple input signal. It is useful in measuring temperatures with any type of thermocouple. Cold junction compensation is provided by a solid state temperature sensor embedded in the thermocouple terminal strip.

All Wilkerson products are designed with RFI filters and lightning protection to reduce susceptibility to electrical noise and damage by lightning.

The module utilizes a feedback VCO to develop a pulse train with a duty cycle proportional to the input signal amplitude. This pulse train is coupled through an isolator where the duty cycle is converted to a proportional DC level in the output circuits. This isolated output eliminates ground
loops, large common mode signals and other types of interference.

Upscale burnout protection is provided as standard. In the event the thermocouple opens, the transmitter output will go offscale high. Option B provides downscale burnout protection (transmitter output grows low).
           
The MM4130L provides a linearized output.

TYPICAL APPLICATIONS
Eliminates ground loops and common mode signals for temperature monitoring, control and data acquisition.

INPUT RANGE
select any type thermocouple (min span 5 mV)

OUTPUT RANGE
Voltage select any range from -10 V to + 15 V,
10 mA max load (min. span 0.2V)
Current select any range from 0 to 50 mA max.,
>24 V compliance (1200 ohms max at 20 mA)
18 V compliance if full scale output > 20 mA

OUTPUT RIPPLE
(Peak-to-Peak) < 0.1% of span

ISOLATION
Output / Input > 500 megohms
Breakdown Voltage > 1000 VAC rms
Breakdown, Power / Circuitry > 1500 VAC rms

ACCURACY
±0.1% of span at endpoints

LINEARITY, MM4130L
Standard Output / Temp - See Table Below

COMMON MODE REJECTION
120 dB, DC to 60 Hz

OPERATING TEMPERATURE
14°F to 140°F/–10°C to 60°C

TEMPERATURE STABILITY
±(0.02% of span + 1.3 uV)/°C max

POWER
115 VAC ±10%, 50/60 Hz (2.5 W max)
230 VAC ±10%, 50/60 Hz (2.5 W max)
(DC Power Option)
24 VDC (limits 21-32 VDC)
12 VDC (limits 10-16 VDC)

Isolation, DC power supply to input common: 10 megohms


MM4130L STANDARD LINEARIZATION ACCURACY, BASE-METAL THERMOCOUPLES

T/C
TYPE

ZERO BASED RANGES

LOW TEMP RANGES (HIGH END = 0°C)

LIMIT FOR
±1% OF SPAN

LIMIT FOR
±2% OF SPAN

LIMIT FOR
±5% OF SPAN

E

0/500°C 32/392°F

0/1000°C 32/1832°F

-100/0°C -148/32°F

J

0/1000°C 32/1832°F

0/1200°C 32/2192°F

-100/0°C -148/32°F

K

0/800°C 32/1472°F
Cannot linearize Type K Above 800°C (1472°F)

-100/0°C -148/32°F

N

0/500°C 32/932°F

0/1200°C 32/2192°F

-100/0°C -148/32°F

T

0/400°C 0/752°F

0/400°C 0/752°F

-100/0°C -148/32°F

MM4130L LINEARIZATION ACCURACY, PLATINUM THERMOCOUPLES

T/C
TYPE

ZERO BASED RANGES

ELEVATED-ZERO RANGES

B

- N.A.-

±3% of span for 500/1820°C (932/3308°F)
±1.5% of span for 800/1820°C (1472/3308°F)

R & S

±2.5% of span or better, any zero-based range

±1.5% of span or better, any range starting above 200°C (392°F)

Mighty Module Dimension Drawing

PIN 1
PIN 2
PIN 3
T/C Term +
T/C Term -
PIN 7
PIN 8
Power Supply +
No Connection
Power Supply -
Input +
Input -
Output +
Output -
Specifications    Manual

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