Get exclusive volume discounts, bulk pricing updates, and new product alerts delivered directly to your inbox.
By subscribing, you agree to our Terms of Service and Privacy Policy.
Direct access to our certified experts
Calibration Signal Parameters:
Sound Pressure Level (SPL): 114 dB
IEC 60942 Accuracy: Class 1
SPL Tolerance: ±0.25 dB
Frequency Tolerance: ±0.2 %
Total Harmonic Distortion (THD): < 1.00 %
General Information:
Effective Load Volume Sensitivity: 0.00027 dB/mm³
Level Stabilisation Time: typically 15 s; max 30 s
Calibration Microphones: 1/2” and 1/4”
(with SA 30 adapter)
Storage Temperature Range: -25 °C to +70 °C
CE Classification: EN 61010-1:2010; EN 61326-1:2013; IEC 60942:2017
Working Conditions:
Temperature Range: from -10 °C to +50 °C
(relative SPL error ±0.15 dB)
Atmospheric Pressure Range: from 65 kPa to 108 kPa
(relative SPL error ±0.10 dB)
Humidity Range: from 25 % to 90 % RH
(relative SPL error ±0.05 dB)
Reference Conditions:
Ambient Temperature: 23 °C
Atmospheric Pressure: 101.3 kPa
Humidity: 30 % ÷ 80 % RH
Effective Microphone Load Volume: 250 mm³ for microphone type B&K 4134
Power Supply:
Battery Type: 2 × LR03 (IEC) / AAA (ANSI) alkaline batteries
Continuous Operating Time:
30 hours for 114 dB level
Stand-by Period: around two years
Electrical Requirements:
Minimum Voltage Requirements: 2.1 V DC
Maximum Operating Voltage: 4 V DC – absolute maximum supply voltage at the battery terminals
