Pardis Radan

Optimus series audio analyzer model CK-162C

According to

IEC 61672-1:2002 Class 1 or Class 2 Group X

IEC 60651:2001 Type 1 I or Type 2 I

IEC 60804:2000 Type 1 or Type 2

IEC 61252:1993 Personal Sound Exposure Meters

ANSI S1.4 -1983 (R2006), ANSI S1.43 – 1997 (R2007)

ANSI S1.25:1991

1:1 Octave Band Filters to IEC 61260 & ANSI S1.11-2004 (C variants)

Total Measurement Range:

20dB to 140dB RMS Single Range

Noise Floor: <18dB(A) Class 1, <21dB(A) Class 2

Frequency Weightings

RMS & Peak: A, C, & Z Measured Simultaneously

Frequency Bands: 10 Octave Bands (31.5Hz to 16kHz, C Versions only)


High resolution OLED display with ambient light sensor & illuminated keypad


4GB Expandable with up to 10,000 measurements stored (B & C Versions)

Time History Data Rates (Global settings)

10ms, 62.5ms, 125ms, 250ms, 1/2 sec, 1 sec, 2 sec (User selectable)

VoiceTag Audio Recording (B & C Versions)

30 seconds of audio recording with each measurement


Three simultaneous “virtual” noise meters

Integrator 1 is preset to Q3 for Leq functions

Integrators 2 & 3 can be configured with the following:

Q3, 4 or 5 Threshold: 70dB to 120dB (1 dB steps)

Time Weighting: None or Slow

Criterion Level: 70dB to 120dB (1 dB steps)

Criterion Time: 1 to 12 hours in 1 hour steps

Integrator Quick settings


MSHA HC & MSHA EC, Custom 1 & Custom 2


283mm x 65mm x 30mm




4 x AA Alkaline

Battery life

Typically 16 hours

External Power

5v via USB Socket from PC or Power Supply

5v-15v via MultiIO socket

Tripod Mount

1/4” Whitworth socket


USB Type B to PC

Multi-pin IO for external power

Case Material

High Impact ABS-PC with soft touch back & keypad


Temperature Operating -10°C to +50°C

Storage -20°C to +60°C

Humidity Up to 95% RH Non Condensing

Electromagnetic performance

IEC 61672-1:2002 & IEC 61672-2:2003

Except where modified by EN 61000-6-1:2007 & EN 61000-6-1:2007

Language options

English, French, German, Spanish as standard

Other language options may be available

Software Support

NoiseTools Download, Configuration & Analysis software supplied as standard.

Compatible with Microsoft Windows XP, Vista & 7 (32bit & 64bit)

Displayed Functions


LXeq, LCPeak, LZPeak, LCeq-LAeq, LXE

Graph of Short LAeq, LCPeak

Measurement Run Time

Integrators 2 & 3: TWA, Dose%, Est Dose%

Real-Time Octave Band Filters

Stored Functions

LXYMax & Time History of LXYMax

LAeq, LCeq, LZeq, LCPeak, LZPeak

Time History of LAeq, LCeq, LZeq, LCPeak, LZPeak

Integrators 2 & 3: LAVG , TWA. %Dose

Time History of LAVG

Octave Bands: Overall Leq & Leq Time History for each band

Measurement Run Time

Time & Date of Measurement Start

where x=A ,C ,Z; y= F, S, I

Other functions may calculated by the NoiseTools software and displayed on download.