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Dwyer Panel Meter: 999,999 Display Span - Max, 85 V AC – 265 V AC, 0.6 in Digit Ht - Max. - Process Digital Panel Meters
DwyerProcess Digital Panel Meters

Dwyer Panel Meter: 999,999 Display Span - Max, 85 V AC – 265 V AC, 0.6 in Digit Ht - Max.

The Dwyer MPM-121 is a multi-panel meter with a 999,999 display span, featuring a red LED display and +/-0.03% accuracy. It operates on 85 V AC to 265 V AC, includes a USB interface and SPDT relay, and has a NEMA 4X…

SKU 3G-OTH-154190

Also listed as: MPM121 · MPM 121

Brand
Dwyer
Item
Panel Meter: 999,999 Display Span - Max, 85 V AC – 265 V AC, 0.6 in Digit Ht - Max.
Category
Process Digital Panel Meters
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Dwyer
Manufacturer Part Number
MPM-121
Type
- Max, 85 V AC – 265 V AC, 0.6 in Digit Ht - Max., USB, MPM

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Dwyer Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Dwyer MPM-121 is a multi-panel meter with a 999,999 display span, featuring a red LED display and +/-0.03% accuracy. It operates on 85 V AC to 265 V AC, includes a USB interface and SPDT relay, and has a NEMA 4X front panel with screw clamp connections.

Frequently Asked Questions

What is the Dwyer MPM-121 panel meter used for?

The Dwyer MPM-121 is a multi-panel meter used for measuring and displaying AC current in industrial process control applications. Its red LED display with 999,999 span and ±0.03% accuracy suits monitoring tasks in manufacturing, HVAC, and automation systems.

What are the specifications of the Dwyer MPM-121?

The Dwyer MPM-121 has a 999,999 display span, ±0.03% accuracy, red LED digits 0.6 in high, and operates on 85 V AC to 265 V AC. It includes a USB interface, SPDT relay, NEMA 4X front panel, and screw clamp connections. The part number is MPM-121.

Where to buy the Dwyer MPM-121 worldwide?

You can source the Dwyer MPM-121 worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install the Dwyer MPM-121 panel meter?

Install the Dwyer MPM-121 by mounting it in a panel cutout, securing with screw clamps, and wiring the 85 V AC to 265 V AC power supply. Connect the SPDT relay and USB interface per your system. Always follow Dwyer's manual for safe installation.

Used in

Common applications for Dwyer
Combustion air-filter monitoring — Magnehelic Series 2000 on burner air-intake filter banks
Clean-room and pharmaceutical pressurisation — Magnehelic / Capsuhelic differential-pressure gauges
HVAC fan-discharge static pressure — Mark II inclined-vertical manometers on AHU test points
Filter-blockage alarms — Photohelic Series 3000 combined gauge/switch on air-handling units
BMS-integrated pressure monitoring — Digihelic DH3 with 4–20 mA output for building management

Dwyer Products

3G Electric supplies Dwyer process digital panel meters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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DWYER Analog Panel Meter: 999,999 Display Span - Max, 85 V AC – 265 V AC, 0.6 in Digit Ht - Max., 4X (MPN APM-141)
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