Nady Systems DSM-1 owner manual Introduction, Contents, Specifications

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Introduction

Congratulations for purchasing the DSM-1 Digital Sound Level Meter. To ensure that you get the most from your unit, we recommend that you read and follow the manual carefully before use. This unit conforms to the IEC651 type 2, ANSI S1.4 type 2 for Sound Level Meters.

The DSM-1 has been designed to meet the measurement requirements of Safety Engineers, Health, Industrial safety offices and sound quality control in various environments.

Highly accurate SPL meter with 2 level ranges measuring between 30dB and 130dB @ 32Hz - 8KHz

Full professional features include easy-to-read 4-digit LCD display with selectable permanent backlight; selectable A or C weighting and Fast or Slow response; maximum Hold selector with Hold button to capture input at any time; alarm indicating the input is above range; internal battery tester; built-in calibrated, linear omnidirectional 1/2” electret condenser microphone; and threaded insert to attach to optional SMT-3 tripod or standard camera tripod

Uses 9VDC alkaline battery with up to 50 hours battery life

Foam windscreen, sturdy vinyl carrying case, and battery included

Contents

 

Introduction

2

Controls

3

Battery Replacement

5

Operation Precautions

5

Measurement

5

Calibration Procedures

6

Specifications

7

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Specifications

Standard applied

IEC651 type 2, ANSI S1.4 type 2

Frequency range

31.5Hz~8KHz

Measuring level range

30~130dB

Frequency weighting

A/C

Microphone

1/2 inch electret condenser microphone

Calibration

Electrical calibration with the internal oscillator (1kHz sine wave)

Display

LCD

Digital display

4 digits

Resolution

0.1dB

Display Up data

0.5 sec.

Time weighting

FAST(125mS), SLOW(1 sec.)

Level ranges

Lo: 30-100dB; Hi: 60-130dB

Accuracy

+ 1.5dB (under reference conditions)

Alarm function

“OVER” is show when input is out of range

Maximum hold

Hold readings the Maximum Value, with decay < 1dB/3minutes.

Auto power off

Meter automatically shuts down after approx. 15 minutes of inactivity.

Power supply

One 9V battery, 006P or IEC 6F22 or NEDA 1604.

Power life

About 50hrs(alkaline Battery)

Operation temperature

0 to 40 Ohms (32 to 104 °F)

Operation humidity

10 to 90%RH

Storage temperature

-10 to 60 °C ( 14 to 140 °F)

Storage humidity

10 to 75%RH

Dimensions

8.3” x 2.2” x 1.3” (210 x 55 x 32 mm)

Weight

8.01 oz (230g) (including battery)

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Contents DSM-1 Introduction ContentsSpecifications Calibration Procedures ControlsMeasurement Battery ReplacementOperating Precautions

DSM-1 specifications

Nady Systems DSM-1 is a versatile and innovative wireless microphone system designed for professional audio applications, catering to performers, speakers, and event organizers. The DSM-1 allows users to communicate and express themselves without the constraints of cables, providing freedom of movement that is essential for live performances and presentations.

One of the standout features of the DSM-1 is its dual-channel operation. This means that it can simultaneously support two different wireless microphone inputs, making it an ideal choice for duets or events requiring multiple speakers. The system boasts a remarkable operating range, typically up to 300 feet, depending on the environment, which ensures that users can move freely without losing audio quality.

The DSM-1 utilizes advanced UHF (Ultra High Frequency) technology, which significantly reduces the likelihood of interference from other wireless devices. This is especially crucial in crowded settings such as concerts or conferences, where multiple devices may be operating in close proximity. Additionally, the DSM-1 features automatic frequency scanning, allowing users to quickly find and lock onto a clear frequency, thus minimizing the setup time and potential disruptions during performances.

Equipped with a high-quality dynamic microphone, the DSM-1 captures audio with impressive clarity and fidelity. The microphone is designed to handle high sound pressure levels, making it suitable for various vocal styles, from soft spoken presentations to powerful singing performances. Furthermore, the system includes a built-in low-battery indicator, alerting users to low power levels before they become a problem.

Convenience and ease of use are also core characteristics of the Nady Systems DSM-1. Its lightweight construction and ergonomic design make it comfortable to hold and operate for extended periods. The intuitive controls on the receiver and transmitter ensure that users can adjust settings quickly without fumbling through complicated menus.

In summary, the Nady Systems DSM-1 represents a seamless blend of advanced technology and user-friendly design. With its dual-channel capability, UHF technology, high-quality microphone, and straightforward operation, it stands out as a reliable choice for anyone in need of a professional wireless microphone solution. Whether for on-stage performances, public speaking, or intense training sessions, the DSM-1 delivers exceptional audio performance and reliability.