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Panel Meters - Counters, Hour Meters

Image Part Number Description / PDF Quantity Rfq
732-0002

732-0002

Trumeter

HOURMETER 10-80 VDC FL RECT

500
722-0001

722-0001

Trumeter

HOURMTER 90-264 50-60 2-HOLE

150
3400-2010

3400-2010

Trumeter

COUNTER AC/DC FLRECT 1/4" SPD RM

207
732-0004

732-0004

Trumeter

HOURMTER 10-80 VDC 2-HOLE

0
3410-5010

3410-5010

Trumeter

HOURMTER AC/DC SNAP-IN 1/4" SPD

4
3410-0000

3410-0000

Trumeter

HOURMTER AC/DC 2-HOLE 1/4" SPD N

296
3410-1000

3410-1000

Trumeter

HOURMTER AC/DC 3-HOLE 1/4" SPD N

1120
732-0013

732-0013

Trumeter

HOURMTER 10-80 VDC CUP WITH 16"

345
722-0002

722-0002

Trumeter

HOURMTER 90-264 50/60 FL RECT

158
722-0003

722-0003

Trumeter

HOURMTER 90-264 50/60 FL RD

433
732-0003

732-0003

Trumeter

HOURMTER 10-80 VDC FL RD

433
3410-3000

3410-3000

Trumeter

HOURMTER AC/DC SAE ROUND 1/4" SP

107
3410-5000

3410-5000

Trumeter

HOURMTER AC/DC SNAP-IN 1/4" SPD

127
3400-0010

3400-0010

Trumeter

COUNTER AC/DC 2-HOLE 1/4" SPD RM

5
3400-5000

3400-5000

Trumeter

COUNTER AC/DC SNAP-IN 1/4" SPD N

113
3400-0000

3400-0000

Trumeter

COUNTER AC/DC 2-HOLE 1/4" SPD NR

1057
722-0004

722-0004

Trumeter

HOURMTER 90-264 50/60 3-HOLE W/

300
732-0014

732-0014

Trumeter

HOURMTER 10-80 VDC CUP BLK WITH

1987

Panel Meters - Counters, Hour Meters

1. Overview

Panel meters, including counters and hour meters, are essential components in industrial automation systems. These devices measure, display, and record critical operational parameters such as event counts, runtime hours, and cycle durations. Counters track discrete events (e.g., machine cycles), while hour meters accumulate total operating time. Their importance lies in enabling process optimization, predictive maintenance, and compliance with industry standards across manufacturing, energy, and transportation sectors.

2. Major Types and Functional Classification

TypeFunctional FeaturesApplication Examples
Preset CountersUser-defined target values with alarm outputsPackaging machines, conveyor systems
Reversible CountersUp/down counting with direction detectionCoil winding machines, elevator position tracking
Multi-function CountersCombined time/count measurement with programmable logicAssembly lines, test equipment
Mechanical Hour MetersElectromechanical accumulation with non-resettable registersEngine runtime tracking, maintenance scheduling
Electronic Hour MetersDigital displays with power-loss memory retentionIndustrial compressors, HVAC systems

3. Structure and Composition

Typical panel meters consist of: - Enclosure: Flame-retardant polycarbonate or metal housing (IP65/IP67 rated) - Display Module: 7-segment LED/LCD with 0.36"-1.0" digit height - Sensing Circuitry: Optical/electromagnetic sensors for signal detection - Processing Unit: 8/32-bit microcontroller with firmware algorithms - Input Interface: Dry contact/4-20mA/PWM signal compatibility - Power Supply: 12-24V DC or 100-240V AC universal input - Communication Ports: RS-485 Modbus, CANopen (for advanced models)

4. Key Technical Specifications

ParameterDescriptionImportance
Measurement Range1 to 999,999 counts / 0.1 to 99,999.9 hoursDetermines operational limits
Counting Speed0.1ms to 50kHz response timeEnsures accuracy in high-speed applications
Accuracy 1 count or 0.1% of readingImpacts process reliability
Environmental Rating-20 C to +70 C operating temp, IP66 Guarantees performance in harsh conditions
Electrical Isolation2kVrms input-to-power isolationProtects against voltage transients

5. Application Fields

  • Manufacturing: CNC machine cycle monitoring, robotic arm operation tracking
  • Energy: Wind turbine runtime logging, solar inverter maintenance scheduling
  • Transportation: Locomotive engine hours tracking, aircraft component lifecycle management
  • Process Industry: Pump runtime monitoring in oil refineries, conveyor belt cycle counting

6. Leading Manufacturers and Representative Products

ManufacturerProduct SeriesKey Features
SiemensKP12 Basic Counter6-digit LED, 10kHz max frequency, PROFINET interface
OmronK3HB-M Digital CounterDual-input capability, 0.01s time resolution
Red Lion ControlsCNT248ELModbus TCP connectivity, web-based configuration
Carlo GavazziCD48HS Hour MeterNon-resettable mechanical register, 15-year battery backup

7. Selection Recommendations

Key considerations for optimal selection: - Application Requirements: Determine counting directionality, resolution needs, and data logging frequency - Environmental Conditions: Assess temperature extremes, vibration levels, and chemical exposure - Integration Needs: Verify compatibility with existing PLC systems and fieldbus protocols - Power Constraints: Match voltage requirements with available power sources - Compliance Standards: Ensure certifications (CE, UL, RoHS) meet regional regulations

Case Study: In automotive production lines, Omron's K3HB-M counters reduced downtime by 18% through precise weld gun cycle tracking.

8. Industry Trends

Current developments include: - Smart Integration: IoT-enabled meters with cloud connectivity for predictive maintenance - Energy Efficiency: Low-power consumption designs meeting Industry 4.0 standards - Advanced Analytics: Embedded AI for anomaly detection in operational patterns - Modular Design: Interchangeable input modules for rapid field customization - Cybersecurity: Encrypted communication protocols for industrial network protection

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