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Multi-channel Dynamic Strainmeter

The DS-50A is a multi-channnel dynamic strainmeter for on-line measurement with a personal computer. One set of DS-50A is composed of five measurement units, which covers 10 channels for each one unit (50 channels for one DS-50A). Strain unit and voltage unit are available. Number of these two units should be specified when ordering a […]

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The DS-50A is a multi-channnel dynamic strainmeter for on-line measurement with a personal computer. One set of DS-50A is composed of five measurement units, which covers 10 channels for each one unit (50 channels for one DS-50A). Strain unit and voltage unit are available. Number of these two units should be specified when ordering a DS-50A. Measurement is made using a standard software DS-750 supplied to the DS-50A or an optional Dynamic measurement software Visual LOG DS-7640 which is specially prepared for DS-50A. The system enables dynamic measurement of multi-points scattered in a wide area at low cost. 

Features: 
  • 1kHz sampling at the fastest when 1 set is used. 
  • Simultaneous measurement of 20 sets (1,000 channels) is available at the maximum.(Using software DS-7640) 
  • Bridge box is built in for each channel of strain unit. 
  • The distance between each two DS-50A can be extended up to 100 meters using the exclusive cable.
Specifications
Type DS-50A
Number of channelsMaximum 50 channels
Strain unit, voltage unit and thermocouple unit can be mixed.
10 channels / 1 unit
Synchronization
Maximum 20 sets （1,000points）
Sampling speed
1~10,000ms *1
Interface
LAN (100BASE-TX)
Dimensions
420(W)×110(H)×298(D)mm (excluding projected parts)
Weight
5kg
Power Supply
AC90~250V 50/60Hz 50VA Maximum
*1 : The sampling speed is added 1ms with connecting each one set.
Strain unit
Number of channels
10 channels
Gauge resistance
Quarter bridge 3-wire system 120Ω, 350Ω
Half bridge system 120~1,000Ω
Full bridge system 120~1,000Ω
Bridge excitation
DC 2V
Measuring accuracy
±0.05%FS (at 23±5°C)
Measuring range
±25,000×10-6 strain
Frequency response
DC~100Hz
Voltage unit
Number of channels10 channels
Measuring range T: -250~+400°C
K: -210~+1370°C
J: -200~+1200°C
Frequency response DC~10Hz
Number of channels10 channels
Number of channels10 channels
Number of channels10 channels
Number of channels10 channels

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