Castle Group

Castle Office Safety and Comfort Monitoring Kit


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It is vital to ensure that your employees are safe and comfortable at work, this means it is your responsibility to monitor the working conditions in the office to make sure they are satisfactory. The Castle Office Safety and Comfort Monitoring Kit is here to make your life easier. In order to ensure comfort and safety is present at work you need to monitor sound levels, light levels and temperature & humidity; sounds like a lot right? Well this quality kit contains all the tools you need to monitor every aspect of office safety and comfort for your employees.

Castle Office Safety and Comfort Monitoring Kit

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Product Specification unless deselected above

Brand Castle Group
Available Outside the UK? Yes

Castle Office Safety and Comfort Monitoring Kit

We have packed this kit for you to ensure that you have all the tools you need to monitor health and comfort for your employees without costing you a fortune!

Manual Or Auto Range Sound Level Meter

This sound level meter is Manufactured to IEC 60651 Type 2. This product is designed to be compact and easy to conduct simple noise monitoring tests for comfort and safety in the office.


  • 3 Manual Ranges: 30 to 80dB, 50 to 100dB, 80 to 130dB
  • 0.1dB resolution
  • Selectable ‘A’ or ‘C’ frequency weighting
  • Fast (125ms) or Slow (1s) response filters
  • 35mm LCD display with function indicators
  • LCD display backlight
  • Data Hold function freezes displayed value
  • Max Hold displays highest measured value
  • Min Hold displays lowest measured value
  • Over/Under range indicator
  • Auto power-off after 15 minutes of no activity
  • Low battery indication
  • Foam wind muffler for outside use
  • 2 Year Warranty
  • Supplied with soft carry case, wind muffler and battery

ATP MT-902 Pocket Light Meter

The ATP MT-902 Pocket Light Meter is an easy to use instrument that offers a compact design and robust construction. It is a precision luminance meter designed for environmental monitoring, health and safety checks, and industrial applications.


  • 0 to 200,000 Lux x 0.1
  • Auto Ranging over 4 ranges
  • Measures both Lux and Foot-Candles (FC)
  • High accuracy and rapid response sampling 2 times per second
  • Silicon photo diode sensor
  • Colour correction filter and cosine correction lens
  • 30mm LCD display with Function Indicators
  • Manual Backlight for activation in low light environments
  • Min/Max Memory since power on
  • Auto Power Off after 15minutes of no activity
  • Low Battery Indication
  • Standard 4mm Camera Bush for tripod mounting
  • 2 Year Warranty
  • Supplied with battery 

ATP ET-931 Thermo-Hygrometer with Dew Point

This thermo-hygrometer with dew point is a compact, easy-to-use, robust instrument for fast, repeatable measurements of relative humidity, temperature and dew point.


  • -20° to 70°C x 0.1° 
    0% to 100%RH x 0.1%
  • Displays temperature in °C or °F
  • Dew point measurement
  • Simultaneous display of humidity and temperature readings
  • 35mm hi-contrast LCD display with backlight
  • Data hold freezes displayed measurements
  • Min/max memory since power on
  • Low battery indication
  • Auto power off after approximately 15 minutes
  • 2 year warranty
  • Supplied with soft carry pouch and battery

Technical Specification

Manual Or Auto Range Sound Level MeterATP MT-902 Pocket Light MeterET-931 Thermo Hygrometer with Dew Point
          Temperature Humidity Dew Point
Range 30 to 130dB over 3 ranges or Auto Range Range 0 to 200,000 Lux/20,000FC Range -20° to 70°C 0% to 100% RH -20° to 70°C
Resolution 0.1dB Resolution 0.1/1/10/100 Resolution 0.1°C 0.1% RH 0.1°C
Accuracy ±1.4dB (94dB @ 1 KHz) Accuracy ±3% of reading, ±0.5% below 10,000 Lux/FC
±4% of reading, ±10dgts above 10,000 Lux/FC
Accuracy ±1°C ±4%RH (0 to 20%RH) 
±3%RH (20 to 40%RH) 
±2.5%RH (40 to 60%RH) 
±3%RH (60 to 80%RH) 
±4%RH (80 to 100%RH
Frequency Range 31.5Hz to 8 KHz Power 1 x 9V PP3 Alkaline Battery (LR-61) Power 1 x 9V PP3 Alkaline Battery (LR-61)  
Power 1x 9V PP3 Alkaline Battery (LR-61) Dimensions 172 x 55 x 38mm Dimensions 192 x 62 x 32mm  
Dimension 158 x 62 x 32mm Weight 88g Weight 151g  
Weight 178g          

What's in the Box

  • Manual or Auto Range Sound Level Meter
  • ATP MT-902 Light Meter
  • ET-931 Thermo-Hygrometer with Dew Point

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