4-in-1 Environment Meter

SKU: APT-5035

The APT-5035 4-in-1 environment meter measures sound levels, light levels, humidity and temperature.


The APT-5035 4-in-1 environment meter is a cost-effective introduction to aid conformance to health & safety in the work place. It measures sound levels, light levels, %RH and temperature. The LCD display has large digits and function indicators.

  • 2 ranges for sound with selectable ‘A’ or ‘C’ frequency weightings
  • Cosine corrected silicon diode sensor for Lux levels
  • Semiconductor sensors in the probe for humidity and ambient temperature measurements
  • K-Type input for °C or °F temperature measurements
  • 28mm LCD display with function indicators
  • Data hold function freezes displayed value
  • Max hold displays highest measured value
  • Auto power off
  • Low battery indication
  • Standard 4mm camera bush for tripod mounting
  • Supplied in a carry case with lux probe, humidity/temperature probe, K-Type wire probe, wind muffler and battery

Technical Specification

Sound Lux Humidity Temperature
Range 35 to 130dB 0 to 20,000 Lux 25% to 95%RH -20°to 750°C
Resolution 0.1dB 0.01 Lux 0.1%RH 0.1°C
Accuracy ±3.5dB ±5%+10dgts ±5%RH ±3.5%rdg ±2°C
Power 1x 9V PP3 Alkaline Battery (LR-61)
Dimensions 250 x 63.8 x 40mm
Weight 250g

K-Type Probes

View our selection of thermocouple probes. From penetration to surface probes we have a selection available in K, J, E, T, R, S, & N Type.

Calibration Options

A calibration service can be purchased for this unit. Once the Service has been performed a certificate of calibration is produced and dispatched with your order. Calibration Services are performed on receipt of your order and as such will delay shipping. Details and options are outlined below.

Traceable Calibration (Environment Meter) Price
Issued at: 94dB &104dB, 350Lux, 25°C, 50%RH @ 20°C, 6m/sec
(where applicable)
Additional points: Available - please call our technical team on 01530 566804
Traceable certification is adequate for most applications and meets the calibration requirements of ISO 9001. All measurements contained in this type of certification are traceable back to National UKAS Standards.

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