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    Hour Meters

    ac/dc Hour Meters - LM Series

    Digital, backlit meter. UL/CE. IP67 sealed, shock-resistant case. 9 V to 64 V dc/ac (50 Hz to 500 Hz) operation

    Overview

    Honeywell MCU (microcontroller unit) LCD (liquid crystal display) Hour Meters and Counters, LM Series, are sealed digital instruments designed to monitor and record elapsed running time, normally displayed in hours and tenths of hours. These devices are used to log running time of equipment or counts of equipment use for potential use in transportation applications to assure proper maintenance of expensive machines or systems, as well as warranty claims and rental-use tracking. This maintenance typically involves replacing, changing, or checking parts, belts, filters, oil, and lubrication of heavy duty equipment, or running condition of engines, motors, and blowers, to name a few.

    These devices can feature up to a 40-year memory data retention (without power) to provide customers with a long data retention capability within their desired application. The large 7 mm display eases readability and offers backlight options and a running indicator. Sealing to IP67 (front)/IP66 (rear) designed to provide enhanced durability. The hour meter also features a long reset time to offer customers the protection against malfunction of reset.

    The LM Series offers customization options including the customer’s logo, Honeywell logo, or a black face, as well as numerous customizable bezel options.

    Specifications

    Others

    • Agency Approvals and Standards
      • UL, CE
    • Volts ac
      • 9 V to 64 V
    • Voltage
      • 9 V to 64 V
    • Vibration
      • 20 g per SAE J1378; 10 g per MIL-M-3917D
    • Transient Voltage Protection
      • Load Dump, Inductive, EMI, Reverse Polarity
    • Termination
      • 1/4 inch Male Blade
    • Terminal
      • 2
      • 3
      • 4
    • Temperature
      • -40 °C to 85 °C [-40 °F to 185 °F]
    • Shock
      • 55 g per SAE J1378; 75 g per MIL-M-3917D
    • Series Name
      • LM
    • Sealing
      • IP67
    • Run Indicator
      • Yes
    • Reverse Polarity
      • Yes
    • Quartz Accuracy
      • ±200 ppm/hour
    • Product Type
      • MCU (Microcontroller Unit) LCD Hour Meter
    • Power Draw
      • 0.8 mA at 12 Vdc
    • Number Size
      • 7 mm [0.28 in]
    • Mounting
      • 2 Screw
    • Logo Top
      • Honeywell
    • Logo Bottom
      • Hours
    • Lens
      • Lexan
    • Inductive Switching
      • Yes
    • Hours
      • 0 to 99,999.9 hours
    • Function
      • Hour Meter
    • Display
      • 0 to 99,999.9 Hours, backlit
    • Bezel
      • Black
    • Appearance
      • Deluxe

    Others

    • Agency Approvals and Standards
      • UL, CE
    • Volts ac
      • 9 V to 64 V
    • Voltage
      • 9 V to 64 V
    • Vibration
      • 20 g per SAE J1378; 10 g per MIL-M-3917D
    • Transient Voltage Protection
      • Load Dump, Inductive, EMI, Reverse Polarity
    • Termination
      • 1/4 inch Male Blade
    • Terminal
      • 2
      • 3
      • 4
    • Temperature
      • -40 °C to 85 °C [-40 °F to 185 °F]
    • Shock
      • 55 g per SAE J1378; 75 g per MIL-M-3917D
    • Series Name
      • LM
    • Sealing
      • IP67
    • Run Indicator
      • Yes
    • Reverse Polarity
      • Yes
    • Quartz Accuracy
      • ±200 ppm/hour
    • Product Type
      • MCU (Microcontroller Unit) LCD Hour Meter
    • Power Draw
      • 0.8 mA at 12 Vdc
    • Number Size
      • 7 mm [0.28 in]
    • Mounting
      • 2 Screw
    • Logo Top
      • Honeywell
    • Logo Bottom
      • Hours
    • Lens
      • Lexan
    • Inductive Switching
      • Yes
    • Hours
      • 0 to 99,999.9 hours
    • Function
      • Hour Meter
    • Display
      • 0 to 99,999.9 Hours, backlit
    • Bezel
      • Black
    • Appearance
      • Deluxe
    • Agency Approvals and Standards : UL, CE|
    • Volts ac : 9 V to 64 V|
    • Voltage : 9 V to 64 V|
    • Vibration : 20 g per SAE J1378; 10 g per MIL-M-3917D|
    • Transient Voltage Protection : Load Dump, Inductive, EMI, Reverse Polarity|
    • Termination : 1/4 inch Male Blade|
    • Terminal : 2|3|4|
    • Temperature : -40 °C to 85 °C [-40 °F to 185 °F]|
    • Shock : 55 g per SAE J1378; 75 g per MIL-M-3917D|
    • Series Name : LM|
    • Sealing : IP67|
    • Run Indicator : Yes|
    • Reverse Polarity : Yes|
    • Quartz Accuracy : ±200 ppm/hour|
    • Product Type : MCU (Microcontroller Unit) LCD Hour Meter|
    • Power Draw : 0.8 mA at 12 Vdc|
    • Number Size : 7 mm [0.28 in]|
    • Mounting : 2 Screw|
    • Logo Top : Honeywell|
    • Logo Bottom : Hours|
    • Lens : Lexan|
    • Inductive Switching : Yes|
    • Hours : 0 to 99,999.9 hours|
    • Function : Hour Meter|
    • Display : 0 to 99,999.9 Hours, backlit|
    • Bezel : Black|
    • Appearance : Deluxe|
    Data Sheet
    Name
    Description
    File Size
    Date
    Size
    LM Series MCU (Microcontroller Unit) LCD Hour Meter
    application/pdf 875.87 KB
    7/15/2021
    875.87 KB
    Manuals and Guides
    Name
    Description
    File Size
    Date
    Size
    Controls, Monitors, and Pressure Switches Range Guide
    application/pdf 5.52 MB
    9/24/2021
    5.52 MB
    Hour Meters Line Guide
    application/pdf 579.26 KB
    7/15/2021
    579.26 KB
    Transportation Range Guide
    application/pdf 16.68 MB
    9/26/2022
    16.68 MB
    Brochure
    Name
    Description
    File Size
    Date
    Size
    Partners Providing Technical Safety and Productivity Solutions -
    application/pdf 1.04 MB
    4/11/2024
    1.04 MB
    Technical Note
    Name
    Description
    File Size
    Date
    Size
    Industrial Product Line Card --
    application/pdf 2.24 MB
    10/25/2022
    2.24 MB
    Catalog
    Name
    Description
    File Size
    Date
    Size
    True Time Stamp - Hour Meters
    application/pdf 350 KB
    7/15/2021
    350 KB
    Application Note
    Name
    Description
    File Size
    Date
    Size
    Sensors and Switches in Mobile Cranes
    application/pdf 1.97 MB
    12/20/2022
    1.97 MB
    Agricultural Vehicles
    application/pdf 1.11 MB
    4/11/2024
    1.11 MB
    Product Photo
    Name
    Description
    File Size
    Date
    Size
    LM-HHFAS-H11_highres_photo
    image/jpeg 162.68 KB
    7/15/2021
    162.68 KB
    LM-HH4AS-H11_highres_photo
    image/jpeg 235.71 KB
    7/15/2021
    235.71 KB
    LM-HH2AS-H11_lowres_photo
    image/jpeg 90.23 KB
    7/15/2021
    90.23 KB
    LM-HHFAS-H11_lowres_photo
    image/jpeg 100.89 KB
    7/15/2021
    100.89 KB
    LM-HH2AS-H11_highres_photo
    image/jpeg 303.34 KB
    7/15/2021
    303.34 KB
    ac/dc Hour Meters - LM Series Product Photo
    application/zip 1.27 MB
    7/15/2021
    1.27 MB
    LM-HH3AS-H11_highres_photo
    image/jpeg 237.42 KB
    7/15/2021
    237.42 KB
    LM-HH3AS-H11_lowres_photo
    image/jpeg 63.23 KB
    7/15/2021
    63.23 KB
    LM-HH4AS-H11_lowres_photo
    image/jpeg 135.25 KB
    7/15/2021
    135.25 KB
    Others
    Name
    Description
    File Size
    Date
    Size
    LM Series MCU (Microcontroller Unit) LCD Hour Meter Nomenclature Tree
    application/postscript 887.51 KB
    7/15/2021
    887.51 KB
    Name
    Description
    File Size
    Date
    Size
    Sensors and Switches in Mobile Cranes
    application/pdf 1.97 MB
    12/20/2022
    1.97 MB
    Controls, Monitors, and Pressure Switches Range Guide
    application/pdf 5.52 MB
    9/24/2021
    5.52 MB
    LM-HHFAS-H11_highres_photo
    image/jpeg 162.68 KB
    7/15/2021
    162.68 KB
    LM-HH4AS-H11_highres_photo
    image/jpeg 235.71 KB
    7/15/2021
    235.71 KB
    LM Series MCU (Microcontroller Unit) LCD Hour Meter Nomenclature Tree
    application/postscript 887.51 KB
    7/15/2021
    887.51 KB
    LM-HH2AS-H11_lowres_photo
    image/jpeg 90.23 KB
    7/15/2021
    90.23 KB
    Industrial Product Line Card --
    application/pdf 2.24 MB
    10/25/2022
    2.24 MB
    LM-HHFAS-H11_lowres_photo
    image/jpeg 100.89 KB
    7/15/2021
    100.89 KB
    LM-HH2AS-H11_highres_photo
    image/jpeg 303.34 KB
    7/15/2021
    303.34 KB
    Agricultural Vehicles
    application/pdf 1.11 MB
    4/11/2024
    1.11 MB
    Hour Meters Line Guide
    application/pdf 579.26 KB
    7/15/2021
    579.26 KB
    ac/dc Hour Meters - LM Series Product Photo
    application/zip 1.27 MB
    7/15/2021
    1.27 MB
    LM-HH3AS-H11_highres_photo
    image/jpeg 237.42 KB
    7/15/2021
    237.42 KB
    LM-HH3AS-H11_lowres_photo
    image/jpeg 63.23 KB
    7/15/2021
    63.23 KB
    LM Series MCU (Microcontroller Unit) LCD Hour Meter
    application/pdf 875.87 KB
    7/15/2021
    875.87 KB
    Partners Providing Technical Safety and Productivity Solutions -
    application/pdf 1.04 MB
    4/11/2024
    1.04 MB
    True Time Stamp - Hour Meters
    application/pdf 350 KB
    7/15/2021
    350 KB
    Transportation Range Guide
    application/pdf 16.68 MB
    9/26/2022
    16.68 MB
    LM-HH4AS-H11_lowres_photo
    image/jpeg 135.25 KB
    7/15/2021
    135.25 KB
    Name
    Description
    File Size
    Date
    Size
    LM Series MCU (Microcontroller Unit) LCD Hour Meter
    875.87 KB
    7/15/2021
    Controls, Monitors, and Pressure Switches Range Guide
    5.52 MB
    9/24/2021
    Hour Meters Line Guide
    579.26 KB
    7/15/2021
    Transportation Range Guide
    16.68 MB
    9/26/2022
    Partners Providing Technical Safety and Productivity Solutions -
    1.04 MB
    4/11/2024
    Industrial Product Line Card --
    2.24 MB
    10/25/2022
    True Time Stamp - Hour Meters
    350 KB
    7/15/2021
    Sensors and Switches in Mobile Cranes
    1.97 MB
    12/20/2022
    Agricultural Vehicles
    1.11 MB
    4/11/2024
    LM-HHFAS-H11_highres_photo
    162.68 KB
    7/15/2021
    LM-HH4AS-H11_highres_photo
    235.71 KB
    7/15/2021
    LM-HH2AS-H11_lowres_photo
    90.23 KB
    7/15/2021
    LM-HHFAS-H11_lowres_photo
    100.89 KB
    7/15/2021
    LM-HH2AS-H11_highres_photo
    303.34 KB
    7/15/2021
    ac/dc Hour Meters - LM Series Product Photo
    1.27 MB
    7/15/2021
    LM-HH3AS-H11_highres_photo
    237.42 KB
    7/15/2021
    LM-HH3AS-H11_lowres_photo
    63.23 KB
    7/15/2021
    LM-HH4AS-H11_lowres_photo
    135.25 KB
    7/15/2021
    LM Series MCU (Microcontroller Unit) LCD Hour Meter Nomenclature Tree
    887.51 KB
    7/15/2021
    Product Number
    Part Number
    Description
    Leaf Category
    Thumbnail
    Add to list
    LM-HB2AS-H31
    LCD HOURMETER
    https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-honeywell-hour-meter-lm-hs4as-h-highres-ciid-160995
    LM-HB2AS-H31
    LCD HOURMETER
    https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-honeywell-hour-meter-lm-hs4as-h-highres-ciid-160995
    LM-HB3AS-1
    MCU-HM-Hyundasi
    https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-honeywell-hour-meter-lm-hs4as-h-highres-ciid-160995
    LM-HB3AS-1
    MCU-HM-Hyundasi
    https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-honeywell-hour-meter-lm-hs4as-h-highres-ciid-160995
    LM-HB3AS-3
    LCD HOURMETER, VOLVO
    https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-honeywell-hour-meter-lm-hs4as-h-highres-ciid-160995
    LM-HB3AS-3
    LCD HOURMETER, VOLVO
    https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-honeywell-hour-meter-lm-hs4as-h-highres-ciid-160995
    LM-HB3AS-331
    LCD HOURMETER, VOLVO
    https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-honeywell-hour-meter-lm-hs4as-h-highres-ciid-160995
    LM-HB3AS-331
    LCD HOURMETER, VOLVO
    https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-honeywell-hour-meter-lm-hs4as-h-highres-ciid-160995
    LM-HB3AS-H31
    LCD HOURMETER
    https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-honeywell-hour-meter-lm-hs4as-h-highres-ciid-160995
    LM-HB3AS-H31
    LCD HOURMETER
    https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-honeywell-hour-meter-lm-hs4as-h-highres-ciid-160995
    LM-HC3CS-N13
    LCD HOURMETER NUTS AND BRACKET MOUNT
    https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-honeywell-hour-meter-lm-hs4as-h-highres-ciid-160995
    LM-HC3CS-N13
    LCD HOURMETER NUTS AND BRACKET MOUNT
    https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-honeywell-hour-meter-lm-hs4as-h-highres-ciid-160995
    LM-HH2AS-H11
    Honeywell LM Series Hour Meter in a diamond shape with black bezel, two 14 inch blade terminals (positive, negative), 9 V to 64 V voltage range, and the Honeywell logo on the face
    https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-honeywell-hour-meter-lm-hs4as-h-highres-ciid-160995
    LM-HH2AS-H11
    Honeywell LM Series Hour Meter in a diamond shape with black bezel, two 14 inch blade terminals (positive, negative), 9 V to 64 V voltage range, and the Honeywell logo on the face
    https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-honeywell-hour-meter-lm-hs4as-h-highres-ciid-160995