Aj3 j2 j1 b, Dwyer instruments, inc – Dwyer DPML-4 User Manual

Page 2

Span & Zero Adjustment
The unit is equipped with a span adjustment and a zero to L,M,H. Use
the potentiometer for the zero adjustment.

Span Adjustment:
If:
Min Display is ≤ 0 or
Min Display is > 0 and Max Display ÷ Min Display > 5
Then:

If:
Min Display is > 0 and Max Display ÷ Min Display ≤ 5
Then:

Zero Adjustment:
If:
Min Display is ≤ 0 or
Min Display is > 0 and Max Display ÷ Min Display > 5
Then:

If:
Min Display is > 0 and Max Display ÷ Min Display ≤ 5
Then:

MAINTENANCE/REPAIR
Upon final installation of the Series DPML-4, no routine maintenance is
required. The Series DPML-4 is not field serviceable and should be
returned if repair is needed. Field repair should not be attempted and
may void warranty.

WARRANTY/RETURN
Refer to “Terms and Conditions of Sale” in our catalog and on our
website. Contact customer service to receive a Return Goods
Authorization number before shipping the product back for repair. Be
sure to include a brief description of the problem plus any additional
application notes.

Selecting Decimal Point Position
Five decimal point positions are available on the digital process meter,
J4-J7. Move the jumper to correspond to the desired decimal point
location. See Figure 3.

Setting Min/Max Display Value J1, J2, J3 (See Figures 4 & 5):
If:
Min Display is ≤ 0 or
Min Display is > 0 and Max Display Min Display > 5
Then:
J1, J2 & J3 should be all set to the top jumper (see Figure 4).

If:
Min Display is > 0 and Max Display Min Display ≤ 5
Then:
J1, J2 & J3 should be all set to the bottom jumper (see Figure 5).

DWYER INSTRUMENTS, INC.

Phone: 219/879-8000

www.dwyer-inst.com

P.O. BOX 373 • MICHIGAN CITY, INDIANA 46360, U.S.A. Fax: 219/872-9057

e-mail: [email protected]

Printed in U.S.A. 5/14

FR # R2-443466-00 Rev. 4

Zero Factor

0-3994

3320-7314

6640-10634

Set Jumpers

FIGURE 3

Span Factor

0-12

10-22
22-32

Set Jumpers

Span factor = Max Display - Min Display

1600

Span Factor = 2.5 (Max Display - Min Display)

4000 + 0.02 (Min Display) - 0.004 (Max Display)

Zero Factor = (250,000 + Min Display) x 83,834

(250,000 + 400 (Span Factor))

- 73,200

[

]

(Min Display - 400 (Span Factor)) x 83,834

250,000

10,634 -

[

]

Zero Factor =

•

FIGURE 4

FIGURE 5