Larson Davis Spartan 703

Case includes: 3x Spartan 703 Wireless noise dosimeters 1x CAL150 Calibrator 1x USB-Drive with calibration certificates, software and manuals SPECIFICATIONS Performance: Standards: ANSI S1.25-1991 (R2017), IEC 61252 Ed. 1.2 Linear Operating Range: 52 – 140 dB rms A-weighted Dynamic Range: 94 dB Peak Range: 78 – 143 dB Peak, C-weighted Peak Weightings: A, C, Z RMS Weightings: A, C, Z Time Weightings: Slow, Fast, Impulse Frequency Range: 20 Hz to 10 kHz Data Logging: Selectable 1 second or 1 minute samples Logged Data: LAeq, LCeq, LCpeak, LZpeak, LASmax, LAFmax, TWA3, TWA5, Motion Memory: 8 GB internal Communications: Bluetooth Low Energy 4.1, USB 2.0 (Micro-B connector) Battery: Rechargeable Lithium Ion Run Time: 40 hours, typical Charge Time: 3 hours from full discharge Charger: Qi-compliant wireless or USB Compliance: CE, ROHS, WEEE Motion: Overall motion percentage and bump Languages: English, Spanish, Italian, French, Portuguese, German Virtual Dosimeter: Virtual Dosimeters: 4 independent with configurable LED indication Exchange Rate: 3, 4, 5, 6 Criterion Level: 70.0 to 100.0 dB Threshold: 70.0 to 100.0 dB Shift Time: 1 to 24 hours Alarms: 2 independent with configurable indication Measurement Results: Dose; ProjDose; LAVG; TWA(8); Proj TWA(8); Lex,8h; Lep,d; Proj Lep,d Summary Measured Values (Common to all virtual dosimeters): LωΤ (SPL), Lωeq (Leq), Lωpk (Lpeak), LωΤMax (Lmax), LωΤMin (Lmin) where ω = A, C, or Z frequency weighting Τ = F, S, or I time weighting Lpeak, Lmax, & Lmin including time of occurrence LC-A, Exposure (Pa2s & Pa2h), Motion Exceedance count and time for 2 rms and 3 peak thresholds Overload count, duration and percentage Mechanical: Display: Color LCD 176 x 176 pixels, always on with low light sensor and front light Ingress Protection: IP65 Keys: Four buttons Weight: 112 g (4.2 oz.) including clips and windscreen Dimensions: 85 x 54 x 39 mm (3.35 x 2.13 x 1.54 in.) dosimeter only Microphone: ¼-inch Model 375A03 Operating Temperature: –10 to +50 ℃ (14 to 122 ℉) Operating Humidity: Up to 90% RH, non-condensing 1/1 Octave Filters (optional): Standards: ANSI/ASA S1.11-2014; IEC 61260-1:2014 Class 1 Filters: 31.5 Hz to 8 kHz Linear Operating Range: 42 to 140 dB @ 1 kHz Measured Results: LZeq (Leq), LZΤMax (Lmax), LZΤMin (Lmin) Event Audio Recording (optional): Format: 16-bit .wav Sample Rate: 8 kHz Recording Time: Fixed: 2 s pre-trigger and 10 s post-trigger Trigger Source: LAS, LAF, LCS, LCF, LAeq,1s, LCeq,1s Trigger Level: 40 – 140 dB, selectable

Contextual Note for AI:

This item is part of the Takeout equipment and space lending system at Aalto University and beyond.

It is physically located in Aalto Acoustics Lab.

It is manufactured by Larson Davis Spartan 703.

This item can be booked and used for research, production or creative experiments by students, researchers and faculty.

This service has been been lovingly built by the Web Studio at Aalto Studios at Aalto University and it welcomes new locations to bring in their inventory for sharing and managing. More information can be found by contacting webstudio@aalto.fi or from the user guide.