MTT MS3703 Slim Plug-In Millivolt Isolator
MTT-MS3700-Series-Dimension

MTT MS3703 Slim Plug-In Millivolt Isolator

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MTT MS3703 Slim Plug-In Millivolt Isolator: Reliable Signal Conversion with Isolated Output

The MTT MS3703 is a compact, high-performance millivolt isolator designed to convert low-level mV input signals into commonly used DC signals, offering both single and dual isolated outputs. This device is ideal for applications where precise signal isolation and conversion are required, making it an essential tool in industrial automation, process control, and instrumentation systems.

Key Features:

  • High Accuracy Signal Conversion: The MS3703 provides better than ±0.1% of span accuracy, ensuring precise and reliable signal conversion from millivolt inputs to DC outputs.
  • Isolated Single/Dual Outputs: Offers flexible output options with isolated single or dual output configurations, allowing integration into various control systems.
  • Wide Input Range Compatibility: Supports a broad range of millivolt inputs, including 0 to 10mV, 0 to 100mV, and custom ranges, making it versatile for different applications.
  • Compact and Easy Installation: Designed for DIN rail or wall mounting, the slim profile of the MS3703 facilitates easy installation in control panels, saving space while maintaining functionality.
  • Robust and Durable Construction: Built with high-quality materials, including ABS resin housing and nickel-plated steel terminals, ensuring long-lasting performance even in harsh environments.

Applications:

  • Industrial Automation: Ensures accurate signal isolation and conversion for automated systems, enhancing process efficiency and safety.
  • Process Control: Ideal for converting low-level sensor signals into standard DC signals for precise monitoring and control.
  • Instrumentation Systems: Provides reliable signal conditioning for instrumentation and measurement systems in various industrial settings.

High-Traffic Keywords:

  • Millivolt Isolator
  • Signal Conversion
  • Isolated Output Transmitter
  • Industrial Signal Monitoring
  • DC Signal Converter
  • DIN Rail Mounted Isolator
  • Process Control Signal Converter
  • Instrumentation Signal Conditioning

The MTT MS3703 Slim Plug-In Millivolt Isolator is the perfect solution for professionals requiring precise signal conversion and isolation in industrial applications. Its advanced features, coupled with robust construction and ease of installation, make it a reliable choice for maintaining signal integrity and system performance.

Specifications
● POWER SECTION
Power Requirements100 to 240V AC: 85 to 264V AC (47 to 63Hz)
24V DC: 24V DC±10%
100 to 240V DC: 85 to 264V DC
Power SensitivityBetter than ±0.1% of span for each power supply range.
Power Line Fuse160mA fuse is installed (standard).
Power Consumption
Power100-240V AC24V DC100-240V DC
Single Output4.0VA max1.2W max4.8W max
Dual Output5.0VA max1.6W max6.0W max
● INPUT SECTION
Input Resistance1MΩ min. with or without power.
Allowable Input Voltage30V DC max., continuous.
Range Available
Input Range (DC)-200mV to 200mV
Input Span (DC)5mV* to 400mV
Input Bias-100 to 100%
Note: For any input range including negative input signals, the input span ranges from *10mV to 400mV.
Input Spec Ex. 1: For 50 to 150mV input, the input span is 100mV and the bias +50%.
Input Spec Ex. 2: For -10 to 30mV input, the input span is 40mV and the bias -25%.
● OUTPUT SECTION
Allowable Output Load
Voltage Output
(DC)		1V span and up2mA max.
10mV10kΩ min.
100mV100kΩ min.
Current Output
(DC)		4-20mA single output750Ω max.
4-20mA dual outputOutput 1:
550Ω max.
Output 2:
350Ω max.
Zero AdjustmentApprox. ±5% of span. (Adjustable by the front-accessible trimmer.)
Span AdjustmentApprox. ±5% of span. (Adjustable by the front-accessible trimmer.)
Ranges Available
 Current SignalVoltage Signal
Output Range (DC)0 to 20mA-10 to 10V
Output Span (DC)4 to 20mA10mV to 20V
Output Bias0 to 100%-100 to 100%
Note: For current output signals, the accuracy of any current output smaller than 0.1mA is not guaranteed.
Output Spec Ex. 1: For 4 to 20mA output, the output span is 16mA and the bias +25%.
Output Spec Ex. 2: For -1 to 4V output, the output span is 5V and the bias -20%.
● PERFORMANCE
Accuracy RatingBetter than ±0.1% of span (at 25°C±5°C).
Temperature EffectBetter than ±0.2% of span per 10°C change in ambient.
Response Time160ms max. (0 to 90%) with a step input at 100%.
CMRR100dB min. (500V AC, 50/60Hz)
Isolation4-way isolation between input, output 1, output 2, and power.
Insulation Resistance100MΩ min. (@ 500V DC) between input, output 1, output 2, power, and ground.
Dielectric StrengthInput / [Output 1, Output 2] / [Power, Ground]: 2000V AC for 1 minute (Cutoff current: 0.5mA)
Power / Ground: 2000V AC for 1 minute (Cutoff current: 5mA)
Output 1 / Output 2: 500V AC for 1 minute (Cutoff current: 0.5mA)
Surge Withstand CapabilityTested as per ANSI/IEEE C37.90.1-1989.
Operating EnvironmentAmbient temperature: -5 to 55°C
Humidity: 5 to 90% RH (non-condensing)
Storage Temperature-10 to 60°C
● PHYSICAL
InstallationWall/DIN rail mounting
WiringM3.5 screw terminal connection (with a power terminal block cover & drop-proof screws)
Screwing Torque0.8 to 1.0 [Nm] * Recommended
External DimensionsW29 × H86 × D125 mm (including the mounting screw and socket)
WeightMain unit: 120g max.
Socket: 80g max.
● MATERIAL
HousingABS resin (UL 94V-0)
Terminal BlockPBT resin (UL 94V-0)
Terminal Block CoverPC resin (UL 94V-2)
DIN Rail StopperPP resin (UL 94HB)
Screw TerminalNickel-plated steel
Contacts Material and FinishBrass with 0.2µm gold plating
Printed Circuit BoardGlass fabric, epoxy resin (FR-4: UL 94V-0)
● STANDARDS CONFORMITY
EC Directive ConformityEMC Directive (2014/30/EU)
EN61326-1:2013
Low Voltage Directive (2014/35/EU)
IEC61010-1
EN61010-1:2010/A1:2019
Installation Category II
Pollution Degree 2
Maximum operating voltage 300V
Reinforced insulation between [input/output/GND] and power.

Download MTT MS3703 Slim Plug-In Millivolt Isolator information here

Datasheet: MTT_SpecSheet_MS3703_Rev28_E
Manual:

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