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2-channel sensor amplifier
SR-2210

The SR-2210 is a 2-channel sensor amplifier for inputting sensors into analyzers or recorders such as DATs that do not support constant current drive (CCLD). It can connect to compact, general-purpose BNC cable-compatible microphone preamplifiers such as the MI-3111 and MI-3170*, as well as NP-3000 series Accelerometer. The SR-2210 is small, lightweight, and battery-powered, making it easy to set up for measurements and enabling the construction of a low-cost measurement system.

Features

  • With two-channel input, simultaneous measurement of "sound pressure and vibration" and "sound insulation" is possible.

  • Supports frequency weighting characteristics (A, C, Z (FLAT)).

  • Dual power supply system: battery powered / AC adapter (optional: PB-7090)

  • Stackable and secure, supports multi-channel configurations.

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Specification

constant current power supply Current: 2.4 mA / Applied voltage: approx. 18 V
Number of Channels 2 Channels
Operating frequency range 1 Hz to 20 kHz (±0.5 dB), load impedance 100 kΩ or higher
Input Impedance 1 MΩ ± 0.5%
Input cutoff frequency Approximately 0.16Hz
Input voltage range Up to 12.5 dBVrms (±6 V)
Gain −10, 0, 10, 20, 30, 40, 50, 60 dB
(8-step switching in 10 dB increments, ±0.2 dB)
Frequency weighting characteristics A, C, Z(FLAT) (Compliant standards: IEC 61672:2002 Class 1, JIS C 1509:2005 Class 1)
Output cutoff frequency Approximately 0.2 Hz (load impedance of 100 kΩ or more)
Approximately 0.4 Hz (load impedance 50 kΩ or higher)
Input-referred self-noise A -105 dBVrms or less
C -100 dBVrms or less
Z (FLAT) -95 dBVrms or less
Input/Output Connectors BNC (CO2)
Output voltage range Up to 12.6 dBVrms (±6 V)
Maximum output extension Within 30m
Power supply 4 x AA batteries
External power: PB-7090 * AC adapter (optional)
* PB-7090 is Old product SR-2200 Do not connect and use it in this manner. It may cause malfunction.
Continuous operation time Over 20 hours (when using AA alkaline batteries (LR06))
Operating temperature range -10 to +50°C
Storage temperature range -20 to +60°C
Operating humidity range 30-90%
Storage humidity range 10-90%
Outline drawings 140 (W) × 40 (H) × 125 (D) mm (excluding protrusions)
Weight Approximately 500 g (including batteries)
Accessories Instruction manual, 4 x AA batteries (LR06)
price  

* Operation when connected to MI-1282M10 is not guaranteed.

System Configurations

Model name   length Price (tax included) Operating temperature range
MX-1001 Low/High Temperature Signal Cable
Composition No. 1		 1.5 m   -30 to +80°C
MX-1005 5 m  
MX-1020 20 m  
MX-2001 Composition No. 2 1.5 m   0 to +60°C
MX-2005 5 m  
MX-2020 20 m  
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Outline Drawings

最終更新日:2023/12/12