Simpson Electric Designer Style Analog Panel Meters Data Sheet

Ordering Information

• Clean, uncluttered design offers maximum
visibility in minimum required height

• Glass window for optimum viewing

• Rugged black plastic case

• Red knife-edge pointer for precision
readability

1

=Panel Meter Cut-out Dimensions

4 - 1/2”-Model 524, 524T, 554

Model/Size and Catalog Number

Approx. Impedance 3-1/2” 4-1/2”

Range (Ohms) @60Hz Model 553 Model 554
0-1 .213 15049 15121
0-5 .008 15050 15120
0-10 .004 15052 15122
0-15 .0025 15051 15123
0-25 .002 15053 15125
0-50 .001 15054 15124
0-100 .008 15056† 15127†
0-150 .008 15057† 15128†

AC Ammeters, Iron-Vane Movement

Specifications

Dimensions

Accuracy:
Movement:
Tracking:
Response Time:
Overload (1 sec.):
Overload (Continuous):
Repeatability:
Dial:

Case:
Resistance:
Operating Temperature:
Pointer:

Scale Length:

Net Weight:

±2% F.S.
AC/Iron-vane, magnetically damped, DC Annular
±3%

1.5 seconds maximum
10 times F.S.

1.5 times F.S.
2%, 5% for taut band
Sharp clear scale. Each dial arc is calibrated to
track the specific type of movement used.
High density black plastic
±15% of meter impedance

-4°F to +149°F (-20°C to +65°C)
Red, knife-edge

Model

553:

2.69" (68.3mm)

523

: 2.92” (74.2mm)

Model

554:

2.84" (72.1mm)

524:

3.25” (82.5mm)

Model

553

: 5oz (0.14kg)

523:

9 oz (0.26kg)

Model

554

: 6oz (0.17kg)

524:

10 oz (0.28kg)

3 - 1/2”-Models 523, 523T, 554

† Requires external current transformer from page C3-C4