• APT Instruments

Sound level meter - SL 1200

APT Instruments manufactures sound level meter ? SL 1200 with digital and graph display feature. This instrument used for general-purpose sound level measurement has condenser type microphone (10 mmD). It can make measurements in six different ranges and is provided with the option of fast/slow response for peak level measurements. The system is of portable type including meter and battery. Its dimension and weight are 182 x 72 x 30 mm3 and 210 g, respectively. Technical specifications: Manual/auto range: 40 to 130 dB (six ranges in 30 dB increments) Resolution: 0.1 Accuracy: ?2 dB (94 dB, 1 kHz) Analog output: 0.707 vms (at FS)(ac) Frequency range: 300 Hz to 8 KHz