KYOWA DPM-912/952 User Manual

IM-A-857F January 2018
DYNAMIC STRAIN AMPLIFIER
DPM-900/950 SERIES
INSTRUCTION MANUAL
Copyright © KYOWA ELECTRONIC INSTRUMENTS CO., LTD. All rights reserved.
This Instruction Manual may not be copied or reproduced, in whole or part, without consent of KYOWA.
Generally, company names and trade names described in this Instruction Manual are trademarks or
registered trademarks of the companies.
The contents of the Instruction Manual are subjected to change without prior notice.
For the latest content, please refer to our website.
Thank you for purchasing KYOWA’s product DPM-900/950 series Dynamic
Strain Amplifier.
Read this Instruction Manual carefully in order to make full use of the high
performance capabilities of the product.
Do not use the product in methods other than described in this Manual.

KYOWA DPM-912/952 Specifications

General

Brand	KYOWA
Model	DPM-912/952
Category	Amplifier
Language	English

Summary

PARTS AND FUNCTIONS

FRONT PANEL

Description of the front panel controls and indicators of the DPM-900/950 series.

REAR PANEL

Description of the rear panel connectors and switches of the DPM-900/950 series.

PREPARATION

HOW TO SET UP INPUT/OUTPUT INSTRUMENTS

CONNECTION OF POWER

Instructions for connecting AC and DC power sources to the DPM-900/950.

BASIC OPERATION

CONNECTION OF INPUT

CONNECTION OF OUTPUT

TURNING ON AND OFF THE POWER

Procedures for safely powering the DPM-900/950 series on and off.

SETTING MEASURING PARAMETERS

Guidance on configuring various measurement parameters.

FUNCTIONS

BRIDGE CHECK

Function to check for cable breaking in the input system.

BALANCING

INTERNAL GAIN

Methods for setting and adjusting the internal gain.

CALIBRATION SIGNAL

EXCITATION VOLTAGE

OPTIONS

BRIDGE BOX

Accessories for measuring strain with strain gages.

TROUBLE SHOOTING

DPM-900/950 SERIES CANNOT BE TURNED ON

Remedies for issues when the unit fails to power on.

INITIAL BALANCING IS IMPOSSIBLE

Troubleshooting steps for failed initial balancing.

NO OUTPUT IS AVAILABLE

Solutions for when no output signal is detected.

INSTABILITY OF THE ZERO POINT

LARGE NOISE

SPECIFICATIONS

SPECIFICATIONS

Detailed technical specifications for DPM-911/951, DPM-912/952, and DPM-913.

BLOCK DIAGRAM AND OPERATION PRINCIPLE

Functional block diagram and explanation of the DPM-900/950 operation.

APPENDIXES

HOW TO CALCULATE STRAINS

Methods and calculations for determining strain and stress.

TROUBLE SHOOTING

INTERNAL GAIN AND INPUT STRAIN