Specifications
Accuracy:
Movement:
+2% F.S. (Iron-Vane), +3 F.S. (Rectified)
Models 1212, 1212T: Small core magnet
Models 1247, 1347, 1349: Annular, rectifier
Models 1257, 1357, 1359: Iron-vane, magnetically
damped
+3%
Calibration is unaffected by magnetic panel mounting.
1.5 seconds maximum
10 times F.S.
1.5 times F.S.
2%: AC Current, DC Process
3%: AC Voltage, DC Voltage, Wattmeters
0.5%: DC Current
Sharp clear scale. Each dial arc is calibrated to track the
specific type of movement used.
+15% of meter impedance
-4°F to +149°F (-20°C to +65°C)
High density black plastic
Model 1212: Black lance;
All other models: Spade with black matte finish
Model 1212, 1212T: 1.50" (38.1mm);
Model 1227, 1227T, 1247, 1257: 2.3" (58.4mm)
Model 1327, 1327T, 1347, 1357, 1377: 3.14" (79.9mm);
Model 1329, 1329T, 1349, 1359, 1379: 3.93" (100mm)
Model 1212, 1212T: 2oz (0.06kg);
Model 1257: 4 oz. (0.11kg)
Model 1359: 5 oz. (0.14kg)
Model 1227, 1227T: 6oz (0.17kg)
Model 1327, 1327T, 1347: 8oz (0.23kg);
Model 1329, 1329T, 1349, 1377: 9oz (0.26kg)
Model 1379: 10 oz.( 0.28kg)
Tracking:
Shielding:
Response Time:
Overload
(1 sec.):
Overload
(Continuous):
Repeatability:
Dial:
Resistance:
Operating
Temperature:
Case:
Pointer:
Scale Length:
• Clear acrylic window for wide angle
visibility
• Rugged black plastic case
• Black spade pointer for easy distant reading
• Optional behind-panel mounting bezel kit
Net Weight:
Dimensions
1-1/2"-Model 1212, 1212T
1.75
2-1/2" - Model 1287
1.31
.65
.86
.53
.55
.65
1.76
1.50
DIA.
1.31
.12
.41
1.55
DIA.
1.00
(2) #8-32 STUDS
(4) #4-40 MTG. STUDS
MTG. HOLES- .128 DIA. DRILL THRU
2-1/2"-Model 1227, 1227T, 1247, 1257
4-1/2"-Model 1329, 1329T, 1349, 1359
(2) #1/4-28 STUD
3-1/2"-Model 1387
4-1/2"-Model 1389
4-1/2” Model 1379
3-1/2"-Model 1327, 1327T, 1347, 1357
Ordering Information
DC Milliammeters,
Self-Shielding Movement
Range
0-1
0-3
0-5
0-10
0-15
0-20
0-25
0-50
0-100
0-150
0-200
0-250
0-300
0-500
0-750
0-1000
Approx.
Impedance
(0hms) @
60 Hz
43.0
2.0
2.0
10.0
6.6
5.0
4.0
2.0
1.0
.66
.50
.40
.33
.20
.13
.05
Model/Size and Catalog Number
1-1/2"
Model 1212
06163
<>
06164
06165
06166
<>
06167
06168
06169
06170
06171
06172
06173
06174
<>
<>
)
2-1/2"
Model 1227
06175
06180
06190
06200
06210
06215
06220
06230
06240
06250
06260
06270
06280
06290
<>
06292
3-1/2"
Model 1327
06310
06320
06330
06340
06350
06360
06370
06380
06390
06400
06410
06420
06430
06440
06450
06460
4-1/2"
Model 1329
06470
06480
06490
06495
06502
06524
06530
06540
06550
06560
06570
06580
06590
06600
06610
06620
Range
0-50
50-0-50
DC Millivoltmeters,
Self Shielding Movement
Approx.
Impedance
(Ohms) @
60 Hz
10.0
20.0
Model/Size and Catalog Number
1- 1/2”"
Model 1212
07005
<>
2 - 1/2"
Model 1227
07010
<>
3 - 1/2"
Model 1327
07020
07021
4 - 1/2"
Model 1329
07030
07031
(20)†
(2.2)†
(2.2)†
(6.0)†
(3.0)†
(1.5)†
(1.0)†
(.75)†
(.60)†
(.50)†
(.30)†
<> Available on special order.
DC Voltmeters,
Self Shielding Movement
Range
Approx.
Impedance
(Ohms) @
60 Hz
Model/Size and Catalog Number
1- 1/2”"
Model 1212
09540
<>
09541
09542
09543
09544
09545
09546
09547
<>
<>
<>
09548
09549*
<>
<>
2 - 1/2"
Model 1227
09550
<>
09560
09570
09580
09590
09600
09610
09620
09622
09623
09630
<>
09640
09650*
09660*
3 - 1/2"
Model 1327
09720
09730
09740
09750
09760
09770
09780
09790
09800
09810
09820
09830
<>
09840
09850
09860*
4 - 1/2"
Model 1329
09870
09880
09890
09900
09910
09920
09930
09940
09950
09960
09970
09980
<>
09990
10000
10010*
† Impedance of Model 1212 shown in (
<> Available on special order
DC Ammeters,
Self Shielding Movement
Range
0-1
0-1.5
0-2
0-3
0-5
0-10
0-15
0-25
0-30
0-50
0-100
0-150
0-200
0-300
0-500
15-0-15
30-0-30
50-0-50
Approx.
Impedance
(0hms) @
60 Hz
.050
.033
.025
.0166
.010
.005
.0033*
.0020*
.0017
.001*
10.0
10.0
10.0
10.0
10.0
.0033
.0017
.001
Model/Size and Catalog Number
1-1/2"
Model 1212
02431
<>
02432
02433
02434
02435
02436†
02437†
<>
02438†
<>
<>
<>
<>
<>
<>
<>
<>
2-1/2"
Model 1227
02440
02450
02460
02470
02480
02490
02500
02510
02520
02530
02540†
02550†
02552†
02554†
<>
<>
<>
<>
3-1/2"
Model 1327
02640
02650
02660
02670
02680
02690
02700
02710
02720
02730
02740†
02750†
02760†
02770†
02780†
02790
02800
02810
4-1/2"
Model 1329
02820
02830
02840
02850
02860
02870
02880
02890
02900
02910
02920†
02930†
02940†
02950†
02960†
<>
<>
<>
0-5
0-8
0-10
0-15
0-25
1000
0-30
ohms
0-50
per volt
0-100
0-150
0-200
0-250
0-300
0-300
2000
0-500
ohms
0-750
per volt
0-1000
*External multipliers (Model 183) are furnished on 1-1/2" DC meters 500 volts or
higher; on 2-1/2" DC meters 750 volts or higher; and on 3-1/2" and 4-1/2" DC
meters 1000 volts or higher. All others have self-contained multipliers.
<> Available on special order.
Percent Motor Load Meters
Model/Size and Catalog Number
Type
DC (Note 1)
AC (Note 2)
Rating
30mV
5 amps
3 -1/2"
Model #
1327
1357
Catalog #
07028
03171
4 -1/2"
Model #
1329
1359
Catalog #
07029
03301
† 1-1/2" DC current meters are self-contained through 10 amps. 15 amps
and higher are supplied as 50mV meters to be used with external shunts.
2-1/2", 3-1/2" and 4-1/2" DC current meters are self-contained through 50
amps. Higher range DC current meters are 50mV meters to be used with
external shunts.
<> Available on special order.
*Model 1212 only - 10 ohms
Wattmeters/Dynamometer Type,
Not
Range
0-10
0-20
0-75
0-150
0-300
0-600
0-750
0-1500
0-3000
Maximum
Amps
Volts
.175
150
.400
150
1.0
150
2.0
150
4.0
150
4.0
300
10.0
150
10.0
300
20.0
300
Model/Size and Catalog Number
4-1/2"
Model 1379
10930*
10940*
10960
10970
10975
10980
10990
11000
11010
Note 1:
DC load meters require an external shunt and potentiometer (not supplied). Use 8
to 10 , 2 watt wire-wound potentiometer. The appropriate shunt should be selected from
accessory section and ordered separately. To select the proper shunt, first obtain the full-
load current rating of your motor from the name plate, manufacturer's specifications of
N.E.C. listing. Multiply that rating by 1.25 and select and order the shunt with an amps rat-
ing as large or slightly larger than the calculated value. Installation and calibration instruc-
tions are included with the meter.
Note 2:
AC load meters must be used with external donut transformers. Complete instruc-
tions for proper selection are included with each AC load meter. Advance assistance in
selecting the appropriate transformer and determining the correct primary/secondary turns
ratio can be obtained from a Simpson technical service representative or authorized service
center.
4-20mA Process Meters
2
Size
3-1/2"
4-1/2"
Scale
0-100%
0-100%
Model
1327
1329
Catalog No.
35025
35026
Frequency Meters,
Self-Shielding Movement
Range
45-55 Hz
55-65Hz
380-420 Hz
45-55 Hz
55-65Hz
380-420 Hz
Voltage
120V
120V
120V
240V
240V
240V
Model/Size and Catalog Number
2-1/2"
3-1/2"
4-1/2"
Model 1287
Model 1387
Model 1389
35100
35106
35112
35102
35108
35114
35104
35110
35116
35101
35107
35113
35103
35109
35115
35105
35111
35117
* Compensated wattmeters: calibrated for either magnetic or non-magnetic
panels and for a frequency of 25-125Hz.
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