The MTT MS3744 Slim Plug-In High-Level Signal Conditioner takes a wide-ranging DC current or voltage input and reconditions it into a clean, standardized current or voltage output that downstream instrumentation, PLCs, and recorders can rely on. Its slim plug-in housing mounts easily on a wall bracket or DIN rail alongside other MS-series modules, making it a natural fit for panels that need to consolidate diverse field signals into a uniform format without adding a large footprint.
What sets the MS3744 apart is the speed at which it responds to a changing input. With a settling time measured in microseconds rather than milliseconds, it is well suited to applications where fast-changing process signals must be captured and forwarded without lag. Front-panel trimmers allow zero and span to be fine-tuned on site, while galvanic isolation between input, output, and power circuits protects connected equipment from ground loops and transient disturbances. Dual output configurations give system integrators the flexibility to drive two independent loads from a single conditioned signal, simplifying wiring in installations that need to distribute the same measurement to multiple destinations.
| Input | 1MΩ min. input resistance (voltage, with or without power); 30V DC max continuous; 50Ω standard for 4-20mA (10Ω-250Ω depending on signal); span 100µA-200mA (current) or 200mV-600V (voltage) |
| Output | 1V span or more at 2mA max load; 750Ω max load for single current output, 550Ω (Output 1) / 350Ω (Output 2) for dual outputs; ±5% zero and span adjustment via front trimmers |
| Isolation | Between input, Output 1, Output 2, power, and ground; 100MΩ min. insulation resistance at 500V DC; 2000V AC dielectric strength (input/power), 500V AC (between outputs) |
| Power Supply | 100-240V AC, 24V DC, or 100-240V DC; 4.0-5.0VA max (AC) or 1.2-1.6W max (24V DC) |
| Accuracy | Better than ±0.1% of span (at 25°C±5°C) |
| Response Time | 80µs max (0-90%, voltage output) / 150µs max (0-90%, current output) |
| CMRR | 100dB min. (500V AC, 50/60Hz) |
| Dimensions | W29 x H86 x D125mm |
| Weight | 120g (main unit) / 80g (socket) max |
| Terminals | M3.5 screw terminals |
| Mounting | Wall or DIN rail mount |
| Operating Conditions | -5 to 55°C, 5-90% RH non-condensing |
| Storage Temperature | -10 to 60°C |
Frequently Asked Questions
What is the MTT MS3744 used for?
It’s a slim plug-in high-level signal conditioner that takes a wide-ranging DC current or voltage input and reconditions it into a clean, standardized current or voltage output that downstream instrumentation, PLCs, and recorders can rely on. It’s a natural fit for panels that need to consolidate diverse field signals into a uniform format without adding a large footprint.
What makes the MS3744 different from a standard signal conditioner?
Its response time, 80µs maximum, is fast enough for high-level signals that change quickly, such as fast test or monitoring signals, where a standard signal conditioner would lag behind.
What input and output signal types does it accept?
Input spans 100µA-200mA (current) or 200mV-600V (voltage), and output is a standard current or voltage span with 1V or more, single or dual. Tell us your input signal type and range and we can confirm the right output combination.
Can I fine-tune the zero and span after installation?
Yes, front-panel trimmers give ±5% zero and span adjustment, so the output can be matched to the receiving instrument exactly on site.
How do I know if the MS3744 is right for my application?
If you need to recondition a wide-ranging or fast-changing high-level DC signal into a standard output for your PLC or recorder, the MS3744 is built for that. Send us the input signal range and how fast it changes and we can confirm before you order.
Download MTT MS3744 Slim Plug-In High-Level Signal Conditioner information here
Spec Sheet: MTT_SpecSheet1_MS3744_Rev280_E
Manual: MTT_Manual1_MS3744_Rev160_E
