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Martindale LM195 LED Light Meter

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  • Measure illuminance from 0 to 200,000Lux
  • Adjust for different light sources (LEDs, fluorescent, incandescent)
  • Detachable light sensor is easy to position with precision

rrp £205.00

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  • Description

    Martindale LM195 LED Light Meter

    The Martindale LM195 LED Light Meter is a general purpose light meter that is ideally suited to measuring illuminance from modern LED lighting systems. It is capable of measuring 0 to 200,000 Lux across several different ranges with a maximum resolution of 0.1Lux and an accuracy of ±3% or ±8% depending on the light source. This makes it a useful instrument for ensuring that lighting in commercial and industrial workplaces achieves an adequate level of illumination.

    Readings are taken through the Martindale LM195’s detachable light sensor which is connected to the main unit with a coiled lead. The user can set different modes that accurately compensate for different light sources (different coloured LEDs, incandescent bulbs, fluorescent lamps) so the meter is suitable for a variety of different environments. Readings are shown on the clear digital display - min/max recording is available - and operation is carried out using intuitive push buttons.

    Martindale part number: MARLM195

    Key Features

    • Range: 0 to 200,000Lux
    • Max resolution: 0.1Lux
    • Max accuracy: ±3% ± 5 counts
    • Detachable light sensor
    • Correction for LED, fluorescent and incandescent sources
    • Check light conditions in working environments
  • Specification

    All specified accuracies are at 25°C ±1°C, <80% R.H. for 1 year

    • Temperature coefficient: 0.1 x (specified accuracy) per °C (0-24°C, 26-40°C)
    • Accuracy: ±3% rdg ±5 dgts (Standard A light source) Note 1; ±8% (other visable light sources)
    • Spectral response: CIE photopic Note 2
    • Range: 0.0 to 199.9/1999/19990/199900 lx; 0.00 to 19.99/199.9/1999/19990 fc
    • Resolution: 0.1lx, 0.01fc
    • Angle deviation from cosine characteristics error: 10° ± 1% 30° ± 2%; 60° ± 5% 80° ± 20%
    • Light detector: SI photodiode

    Note 1: The CIE standard illuminant A can be realised by means of CIE standard source A, which is defined as: A gas-filled tungsten-filament lamp operating at a correlated colour temperature of 2856K.
    Note 2: The CIE photopic curve is an international standard for the colour response of the average human eye.

    Preset Light Source Weighting:

    • L0: Standard Incandescent Light Source
    • L1: LED White Daylight
    • L2: LED Amber (Yellow) Light
    • L3: LED Green Light
    • L4: LED Red Light
    • L5: LED Blue Light
    • L6: Warm White Fluorescent Lamp
    • L7: Cold White Fluorescent Lamp
    • L8: User Setup Mode

    GENERAL

    • Display: liquid crystal display
    • Sampling rate: twice per second
    • Over range: OL is displayed
    • Power: 2 x 1.5V AA alkaline batteries (IEC LR6, NEDA 15A)
    • Continuous operating time: approximately 80 hours
    • Auto power off: after 30 minutes (can be disabled)
    • Dimensions: 169 (L) x 63 (W) x 37mm (H)
    • Weight: 185g including batteries
    • Includes: storage case, 2 x 1.5V AA batteries and instruction manual.

    ENVIRONMENTAL

    • Temperature & Humidity (Operating): 0°C to 40°C d 80% R.H. (Storage): -10°C to 50°C d 70% R.H. with batteries removed
    • Altitude: Up to 2000m
    • Pollution degree: 2
    • EMC: Conforms to BS EN 61326-1
  • Supplied Accessories

    • Martindale LM195 LED Light Meter
    • Soft carry case
    • 2 x 1.5V AA batteries
    • Instructions for Martindale LM195
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    We use DPD/Interlink for all larger items and Royal Mail for smaller items and accessories. With DPD/Interlink you will receive a 1 hour delivery window on the day of delivery via e-mail/text and a notification 15 minutes before arrival so you will not have to wait around all day. You can even manage your booking online and re-arrange delivery for another date or arrange the goods to be left with a neighbour of your choice.

    We also offer delivery options for goods required urgently on certain products, all which are sent by DPD/Interlink.

    Our charges for UK deliveries:

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    • Saturday Pre-Noon Delivery (on select products only) at £14.50*
    • Sunday Pre-Noon Delivery (on select products only) at £14.50*

    *UK mainland only

    NOTE! For next working day or Saturday/Sunday delivery options the order MUST be placed no later than 3pm on the working day before delivery is required. After 3pm, please arrange with our staff before selecting a priority delivery service. Priority services are available to UK mainland residents only (this might exclude certain areas in the north of Scotland).

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