SENSORS & CALIBrators

Microphones

Product - mic-kit

Day Rate - £7

  • Kit comprises a standard 50 mV/Pa (-26 dBV/Pa)

  • Free field half inch air condenser measurement microphone

  • Complete with a Nor-1201 preamplifier that has a full UKAS calibration for its sensitivity

  • Frequency response (2 to 20k Hz)

  • Dynamic range is from 20 to 140 dB peak. 

product - gras-40hl/n

Day Rate - £10

  • Designed for use with the Nor-140 Sound Level Analyser

  • Extends the measurement range down to less than 6dB(A) and to negative dB values in third octave bands

  • Comply with the requirements of the sound level meter standards.

product - NOR-1211

Day Rate - £8

Weather Protected Measurement Microphone

Environmental Microphones

product - gras-41al/s

Day Rate - £10

Two types of environmental microphones to suit all weather types of the UK

Accelerometers 

product - mmf-kd38v

Day Rate - £6

MMF-KD38V accelerometer:

  • General-purpose ICP accelerometer

  • Sensitivity 54.61mV/g

product - mmf-ks48

Day Rate - £9

MMF-KS48 vibration accelerometer:

  • Single axis high sensitivity seismic IEPE (ICP) accelerometer

  • Nominal sensitivity of 1 V/g and a load mass of 165 grams.

  • For triaxial configurations the MMF-230 mounting block is available

product - mmf-ks76v

Day Rate - £6

MMF-KS76 accelerometer:

  • General purpose IEPE accelerometer

  • Load mass of 23 grams and sensitivity options of 5 or 10 mV/ms-2. 

product - mmf-ks823b

Day Rate - £17

  • High sensitivity (50 mV/ms-2) IEPE accelerometer

  • Specifically designed for the measurement of vibration in buildings (BS ISO 4866, DIN 45669 etc.)

  • For the investigation of ground induced vibration from wind farms. Weather protection to IP67

product - mmf-729

Day Rate - £3

MMF-729 Tripod Mounting Plate 

product - mmf-729

Product - MMF-KB103SV

Two types of tri-axial seat accelerometers in our hire fleet. Both are designed for whole body measurements according to ISO 2631 and ISO 8041

product - nor-1287

Day Rate - £5

  • Nominal sensitivity 1 mV/ms-2

  • Individually calibrated in each axis

  • Mount via a M3 stud bolt or alternatively using the Nor1291 Handle Adapter Plate via plastic tie wraps.

product - nor-1292

Day Rate - £13

NOR-1292 Geophone:

  • Seismic pickup for measurement and analysis of ground-borne vibration levels. 

  • Direct measurement over the frequency range 1 to 500 Hz in all three axes.

Sound Calibrators

product - nor-1251

Day Rate - £4

Nor-1251:

  • Smart class 1 acoustic calibrator with built-in self compensating control of temperature, humidity and barometric pressure.

  • Designed for 1" microphones and supplied with an adaptor for 1/2" microphones. 

product - b&k-4231

Day Rate - £3

B&K-4231:

  • Dual level class 1 acoustic calibrator

  • Conforms to the IEC 942 class 1 and BS 7189 class standards.

  • Calibration levels 94dB and 114dB with a +/-0.2 dB accuracy.

Vibration Calibrators

product - mmf-vc10

Day Rate - £9

MMF-VC10:

  • Portable vibration calibrator for checking the calibration setting of vibration measurement systems.

  • Check accelerometers up to 300 grams in weight

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