AC Ammeters
, Iron Vane Movement
• Glass window for optimum viewing
• Rugged black plastic case
• Black spade-type pointer for easy distant
reading
Accuracy:
Frequency models:
Wattmeters:
Movement:
Tracking:
Shielding:
Response Time:
Overload (1 sec.):
Overload
(Continuous):
Repeatability:
Dial:
Case:
Resistance:
Operating Temp:
Pointer:
Scale Length:
Net Weight:
±2% F.S. (Iron-Vane), ±3% F.S. (Rectifier)
45-55Hz ±0.3Hz (120V-240V)
55-65Hz ±0.3Hz (120V-240V)
380-420Hz ±1.2Hz (120V-240V)
+
2% F.S.; Compensated Meters: +3% F.S.
Models 55, 155: Iron-vane, magnetically damped
Models 45, 145: Annular, rectifier type
Models 85 & 185: small core magnet, self-shielding
Models 25, 27, 29, 125: Annular, self-shielding
±3%
Calibration is unaffected by magnetic panel mounting.
1.5 seconds maximum
10 times F. S.
1.5 times F. S.
2%
Sharp clear scale. Each dial arc is calibrated to track
the specific type of movement used.
High density black plastic
±15%
-4°F to +149°F (-20°C to +65°C)
Models 85 & 185: knife edge, black finish
All others: spade pointer with black matte finish
Model 155 & 185: 1.6” (40.6mm)
Models 125 & 145: 1.8” (45.7mm)
Model 55: 2.3” (58.4mm)
Models 25, 27, 45 & 85: 2.5” (63.5m)
Model 29: 3.80” (96.5mm)
Models 55, 155 & 185: 5oz (0.14kg)
Models 85, 125, 145 & 45: 7oz (0.20kg)
Models 25 & 27: 8oz (.23kg)
Model 29: 11oz. (.31kg)
Specifications
Ordering Information
AC Microammeters Rectifier Type,
Self Shielding Movement
Range
Approx.
Impedance
(ohms)
3-1/2”Model 45
Model/Size and Catalog Number
0-100
3400
04080
AC Milliammeters,
Iron Vane & Rectified Movement
* Rectified Models
<> Available on special order.
* These meters require use of an external current transformer from page C4-C6
4-220mA Process Meters,
Dial indicates 0-100 Percent
more >>
Approx.
Impedance
(ohms) @ 60 Hz
600
200
887.0
80.0
717.2
8.76
3.1
.9
2-1/2"
Model 155
<>
<>
<>
<>
<>
<>
06080
<>
3-1/2"
Model 55
<>
<>
05380
05400
05410
35069
05420
05430
4-1/2”
Model 45
06820*
06840*
<>
<>
<>
<>
<>
<>
Model/Size and Catalog Number
Range
0-1
0-5
0-10
0-15
0-100
0-150
0-250
0-500
Range
0-1
0-1.5
0-2
0-3
0-5
0-10
0-15
0-25
0-30
0-50
0-75
0-75
0-100
0-150
0-200
0-250
0-300
0-500
Approx.
Impedance
(ohms) @ 60 Hz
.213
.105
.065
.028
.008
.004
.0025
.002
.0015
.001
.0002
.008
.008
.008
.008
.008
.008
.008
2-1/2"
Model 155
02100
<>
02120
02130
02140
02150
02160
02170
02180
02190
<>
02200*
02210*
02220*
<>
02240*
<>
02260*
3-1/2"
Model 55
00950
00960
00970
00980
00990
01001
01010
01020
01030
01040
03432
<>
01060*
01070*
01080*
01090*
01100*
01110*
Model/Size and Catalog Number
Range
Approx. Impedance
(Ohms)
Model/Size and Catalog number
3-1/2” Model 25
4-20 5.0 35022
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