Panel Meters

Part Number	Description / PDF	Quantity
MT4N-AV-E0 IndustrialeMart	AC VOLT 0-250V 2RELAY 12-24VDC	4
DMS-40PC-1-GS-C Murata Power Solutions	VOLTMETER 2VDC LED PANEL MOUNT	112
CRM1000-25-I CR Magnetics, Inc.	AMMETER 0-25A LED PANEL MOUNT	2
DMS-20LCD-0-5-C Murata Power Solutions	VOLTMETER 200MVDC LCD PANEL MT	47
EMV 1200-40 Lascar Electronics	2-WIRE LCD VOLTMETER	45
EM50DINRG53HRSX Carlo Gavazzi	ENERGY METER 3-PHASE CLASS 05S	5
APM-SHUNT-ANO Trumeter	SHUNT METER NEG LCD WITH OUTPUTS	8
K3GN-NDC 24VDC Omron Automation & Safety Services	PROC MTR 4-20MA/10VDC LCD PNL MT	4
CUB5TCB0 Red Lion	TEMP METER LCD PANEL MOUNT	10
LD4A05P0 Red Lion	MULTI METER LED CHASSIS MOUNT	3
DK799 C-Ton Industries	PROCESS METER 0-10VDC LCD PNL MT	0
PAXS0010 Red Lion	PROCESS METER 240MVDC LED PNL MT	2
2907945 Phoenix Contact	PANEL-MOUNT ENERGY METER WITH DI	2
PAXLVD00 Red Lion	VOLTMETER 300VDC LED PANEL MOUNT	17
DK959P C-Ton Industries	PROCESS METER 0-10VDC LCD PNL MT	0
MT4Y-DA-45 IndustrialeMart	DC AMP 0-5A BCD 100-240VAC	0
MT4W-AV-1N IndustrialeMart	AC VOLT 0-500V INDI. 12-24VDC	0
DMS-30PC-4/20S-24BS-I-C Murata Power Solutions	PROCESS METER 4-20MA LED PNL MT	7
PRT-14313 SparkFun	VOLTMETER 2.5-30VDC LED CHAS MT	1578
DK198-XEC C-Ton Industries	PROC METER/VOLTMETER LCD PNL MT	0

Panel Meters

1. Overview

Panel meters are precision measurement and display devices integrated into industrial control systems to monitor electrical or physical parameters. They serve as critical interfaces for real-time data visualization in automation environments, enabling operators to maintain process efficiency and system integrity. Their importance lies in enhancing operational accuracy, reducing human error, and supporting predictive maintenance strategies.

2. Main Types and Functional Classification

Type	Functional Features	Application Examples
Analog Panel Meters	Mechanical pointer-based display, simple design	Voltage/current monitoring in basic machinery
Digital Panel Meters	LCD/LED numerical display, high accuracy	Production line parameter tracking
Multifunction Meters	Multi-parameter measurement (V, A, kW, etc.)	Energy management systems
Smart Panel Meters	Communication protocols (Modbus, CAN), data logging	Industrial IoT systems
Temperature Panel Meters	Thermocouple/RTD input support	Chemical reactor temperature control

3. Structure and Components

Typical panel meters consist of: - Enclosure: Flame-retardant plastic/metal housing with IP65+ protection - Display Unit: 3.5-7 digit LED/LCD with backlighting - I/O Interface: Screw terminals/quick-connect for sensor integration - Power Module: 12-24V DC or 110/220V AC supply - Control Elements: Membrane keypad or rotary encoder

Technical composition includes precision ADC converters, microprocessor cores (ARM/DSP), signal conditioning circuits, and optional wireless modules.

4. Key Technical Specifications

Parameter	Description
Measurement Range	Determines applicable voltage/current thresholds (e.g., 0-1000V)
Accuracy Class	Defined as 0.05% to 1% full-scale deviation
Resolution	Minimum detectable change (e.g., 1 V, 0.1 C)
Response Time	0.1s-2s critical for dynamic process monitoring
Input Types	Support for analog/digital signals, thermocouples
Communication Protocols	RS485, Modbus RTU, Profibus compatibility
Environmental Rating	-20 C to +70 C operating temperature, IP67

5. Application Fields

Major industry applications:

Manufacturing: CNC machine monitoring
Energy: Power distribution system analytics
Chemical Processing: Reactor pressure/temperature control
Transportation: Electric vehicle battery management
Building Automation: HVAC system optimization

6. Leading Manufacturers and Products

Manufacturer	Product Series	Key Features
Siemens	7ME6 Synchrocompact	Modbus TCP support, 0.1% accuracy
Schneider Electric	Powertight PMC	Multi-parameter energy measurement
Honeywell	5130X Temperature Controller	0.05 C precision, PID control
Omron	K3HB Process Meter	Dual-display, IP66 protection
Yokogawa	WT5000	High-precision power analysis

7. Selection Recommendations

Key selection criteria:

Determine parameter types and measurement ranges
Evaluate environmental conditions (temperature, vibration)
Specify communication requirements (fieldbus compatibility)
Assess display readability needs (digit size, color coding)
Consider calibration certification requirements
Verify mounting dimensions (DIN 43700 standard compliance)

8. Industry Trends

Emerging developments include: - AI-powered anomaly detection algorithms - Wireless IoT integration (5G/LoRaWAN) - Energy harvesting self-powered designs - Edge computing capabilities - Enhanced cybersecurity features (IEC 62443 compliance) - Predictive maintenance through machine learning