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SIR-3400H / SIR-3032i / SIR-3032W
1. Overview
1-1. Introduction
The SIR-3000 series is a lineup of data recorders consisting of a recording unit and measuring unit. The
recording unit and measuring unit are used in combination together.
Seven speeds are available for both recording and playback so that high-speed data recorded at 4x speed can
be played back at 1/16x speed, or the maximum 250 hours of data recorded at 1/16x speed can be played in
four hours at 4x speed.
SIR-3400H (recording unit)
This device records data obtained from the measuring unit.
Two hard disk drives (HDD) are used for the recording media. Data is written simultaneously to the two
HDDs so that even if a failure were to occur in one HDD, recording is still maintained in the other HDD.
When the SMH-200 is used, the capacity of HDD is 200 Gbytes. The unit can continuously record the digital
data of 128 ch x 20 kHz (SIR-3032i / SIR-3032W) / 32 ch x 80 kHz (SIR-3032W) for about 4 hours.
SIR-3032i/SIR-3032W (measuring unit)
This device sends the measured data to the recording unit.
Up to four measuring units can be connected to a single recording unit.
1-2. Major Features
Wideband, Multi-Channel
By combining with a measuring unit, the SIR-3000 series can be used to build the optimum system for
measurement subjects.
Support for 32 ch x 20 kHz is provided by combining the minimum configuration of the SIR-3400H and
SIR-3032i.
Replacing the measuring unit with the SIR-3032W enables wideband recording at 32 ch x 80 kHz.
Connection of four SIR-3032i/W to the recording unit enables recording and playback to one HDD group at
128 ch x 20 kHz.
Equipped with Sensor Input
The SIR-3032i/W (measuring unit) can supply power to the sensor with built-in pre-amplifier (IEPE type).
This enables the sensor to be connected directly to the data recorder, realizing enhanced portability and
saving total costs. A choice between the IEPE input (IEPE or TEDS) and conventional DIRECT input is
available for each channel.
Input Range
The input range now covers ±0.1 Vpk to ±10 Vpk (Maximum 7 ranges), enabling a broad range of signals to
be recorded and played back at the optimum levels.
Subchannels
In addition to the above analog channels, the recorder is equipped with the subchannels listed below to allow
various types of subdata to be recorded or played back together with the analog data.
Channel Application Input/Output connector
Voice channel Voice annotation Front panel
AUX analog channel IRIG-B timecodes, etc. Rear panel
AUX digital channel Binary data such as tacho pulse Rear panel