Handheld Dynamic Strainmeter DH-14A
Handheld Dynamic Strainmeter DH-14A
The DH-14A is a handheld and battery-operated dynamic strainmeter having 4 measurement channels. Dynamic strain is easily measured while monitoring numerical values and wave forms. Trigger measurement mode and free-run measurement mode are available. The DH-14A is well suited not only for measurement in fieldwork or on moving object, but also for checking sensors and input noise as a checker. Using 4 AA alkaline batteries commercially available, the meter allows measurement for 4 consecutive hours (or for 6 hours in power saving mode).
- Features
- Simultaneous sampling of 4 channels
- Measured data indicated by waveform
- ECO mode (power saving mode) equipped
- Powered by 4 AA alkaline batteries
- Measured data conforms to DADiSP format
- TEDS compatible
- Tie Bar Measurement Function
- X-Y Graph Display Function
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Specifications
Type DH-14A Measuring object Strain
DC voltage (with optional CR-4110, CR-4120)
Thermocouple (with optional TA-01KT)Number of channels 4 channels Measuring range ±20,000 x 10-6 strain (at 2 V excitation)
±80,000 x 10-6 strain (at 0.5 V excitation)Frequency response DC to 1 kHz (-3dB±1dB) Applicable gauge resistance 120 Ω, 350 Ω (Full bridge) Maximum sampling speed 50μsec (1-channel mode), 100μs (2-channel mode), 200μs (4-channel mode) External dimensions 150(W) x 63(H) x 150(D) mm (except projecting parts) Weight Approx. 1 kg Power supply 4 AA-size (LR6) alkaline batteries
AC adaptor (optional) -
Added Tie Bar Measurement Function
A Tie Bar Measurement function has been added to the monitor display features. Unlike the other measurement functions, this feature is specifically designed for measuring tie bar loads.
Tie Bar Load Measurement
The Tie Bar Load Measurement function measures the loads applied to the four tie bars of an injection molding machine or similar equipment during operation.
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Two Stress Auditors are installed diagonally on each tie bar, and the average of the two measurement values is used. ・
Two tie bars are measured simultaneously using four channels (four Stress Auditors). By repeating this procedure twice, all four tie bars can be measured. ・
Based on the measured values of the four tie bars, the software calculates and displays the measurement results, including the load for each tie bar, the average value, the total value, and the balance (%). Display units are selectable from με, kN, and tf. 

Measure all four tie bars

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Added X-Y Graph Display Function
An X-Y Graph Display function has been added to the monitor display features.
X-Y Graph Display
The X-Y Graph displays the relationship and magnitude of measurement values from two channels as a two-dimensional plot.・ Up to three X-Y graph pairs can be displayed simultaneously. ・
Measurement channels and X-/Y-axis assignments can be configured independently for each graph. ・ Display scales can be configured individually for each graph and each axis. ・ Numeric values can also be displayed. ・ Plotted data can be cleared at any time. 
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