DATEL, Inc., Mansfield, MA 02048 (USA)

• Tel: (508)339-3000, (800)233-2765 Fax: (508)339-6356 • Email:sales@datel.com • Internet: www.datel.com

Range Change Kit

For DM-3000 and DM-4000

Series Panel Meters

PANEL METER RANGE CHANGE KIT

Part No. RN-3100/4100

PURPOSE

This kit contains all the components necessary to modify DATEL panel meters such that they accept signal inputs

other than the standard ±2.0V range. This kit will modify the following panel meter models:

DM-3100N-1

DM-3101-1

DM-4100D-1

DM-3100Ul-1

DM-3100B-1

DM-4101D-1

DM-3100U2-1

DM-3100L-1

DM-4101N-1

DM-3100U3-1

DM-3100X -1

DM-4105-1

DM-31003-1

DM-3104 -1

DM-4200-1

DM-410lL-1

Using the components in this kit, these panel meter models can be modified to accept any one of the following

signal ranges:

±200mVdc

±20Vdc

±200Vdc

±200mA

±20mA

±2mA

±200µA

There is one exception: 4½ DIGIT PANEL METERS (ANY OF THE MODELS WHOSE SUFFIX BEGINS

WITH A “4”) CANNOT BE MODIFIED FOR THE ±200mV RANGE.

MAKING THE MODIFICATION

Making a range change modification is a relatively simply procedure, however, familiarity with proper soldering

techniques is required. When handling the panel meter printed circuit boards, care should be taken to avoid a dis-

charge of static electricity which could damage the meter’s sensitive CMOS circuits. A grounding wrist strap should

be worn when handling the PC boards.

To make a range change modification, follow these steps:

1. Locate your panel meter model and the desired range in the tables below. Note that the 200mV range is the only

range which requires different components depending on the meter model.

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