Class 1 Multi-Frequency 1" Sound Level Calibrator
Larson Davis Acoustic Calibrator Model CAL1250 is a battery-operated precision Class 1 multi-frequency 1" microphone calibrator used for the calibration of sound level meters and other sound measurement equipment with...
Key Product Features
Model: CAL1250
Dual Level 94 or 114 dB
Class 1
1" Microphone
251.2 Hz or 1 KHz Multi-Frequency
Temperature, Humidity
Barometric pressure
1" ½” 1⁄8” ¼” 3⁄8” Adapters
2 Year Warranty
What a calibrator does...
Use a handheld acoustic calibrator (also known as a sound level calibrator) to produce a known sound pressure level at a known frequency. This level can then be used to adjust your sound measuring equipment to measure more accurately, since microphone performance can vary with weather conditions. This process, commonly known as field calibration or acoustic calibration, is typically performed both before and after every measurement.
Uncompromising Accuracy
The Larson Davis CAL1250 is the definitive Class 1 battery operated calibrator. Designed to meet the stringent requirements of UK noise regulations and IEC 60942 standards, its dual output levels (94 dB and 114 dB at 1 kHz) and multi-frequency 251.2 Hz ± 1 Hz or 1000 Hz ± 1 Hz.
It's robust, portable design is built for the rigours of UK field environments, providing a dependable tool that streamlines your workflow and guarantees the integrity of your acoustic measurements, project after project. The four combinations of frequency and level make the CAL1250 a great choice for extended field validation of instruments.
Easy Calibration Anywhere
The CAL1250 includes a rugged carrying case but fits in any case designed to include the CAL1150 or CAL1200. Adapters for 1/2” and 1/4” microphones are included with optional adapters for 3/8” and 1/8” microphones available.
Key Product Specifications
Lightweight just 156g
USB-C Rechargeable
15 Hour Runtime
1 Year Calibration Certificate
Compatible Products
Spartan
Occupational Noise Meter for Class 1 or Class 2 measurements with Dosimetry Function.
Find out moreProduct Accessories
Every product needs flexibility to do whatever you want it to.
Download Datasheet
1” Microphone Adaptor
LD-ADP117
½” Microphone Adaptor
LD-ADP118
¼” Microphone Adaptor
LD-ADP119
1⁄8” Microphone Adaptor
LD-ADP120
3⁄8” Microphone Adaptor
LD-ADP121
USB-C Charger
LD-CBL242-03
Transit Case
LD-CCS064
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