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            Simpson
Century Analog Panel Meters

1" - 2" - 3" - 4    Models

Simpson Century Analog Panel Meters

All Century DC and AC rectifier type meters listed below have the Simpson
self-shielded movement. (Calibration is not affected by stray magnetic fields
or magnetic mounting. ) AC meters have either iron-vane type or rectifier
type movements. All are calibrated at 60 Hz. Iron-Vane type ammeters and
milliammeters have a requency range ( for 1% deviation from value at
60 Hz ) of 25 to 800 Hz. Iron-vane voltmeters have range of 25 to 125 Hz.
Calibration to 800 Hz availabe on special order. All rectifier types have
25 Hz to 10 kHz range.
Wattmeters have the Simpson dynamometer movement calibrated for either
magnetic or non-magnetic panels and for a frequency range of 25-125 Hz.
Standard wattmeters have 2% accuracy, compensated wattmeters have
3% accuracy. Cases are Black Phenolic with Glass Windows.
All models (except wattmeters) are UL Recognized.

Simpson Century DC Voltmeters
Self Shielding Meter Movement
. . 1"
MODEL
2121
2"
MODEL
2122
3"
MODEL
2123
4"
MODEL
2124
Stock
Ranges
Approx
Resistance
Ohms
Catalog
Numbers
Catalog
Numbers
Catalog
Numbers
Catalog
Numbers
0-5 . 17840 * 17445* 17525 17618*
0-8 . (***) (***)* (***)* 17619*
0-10 . 17842 17446 17527 17620*
0-15 . 17843* 17447 17528 17624*
0-25

1,000

17844* 17448 17529* 17622*
0-30

Ohms

17845 17449 17530* 17623*
0-50

Per

17846* 17450 17531 17624*
0-100

Volt

17848* 17451 17532 17625
0-150 . 17849* 17452* 17533* 17626*
0-200 . (***)* (***)* 17534* 17627*
0-250 . (***)* (***)* 17535* (***)*
0-300 . (***)* 17455* 17536* 17629*
0-300

2,000

17850* (***)* (***)* (***)*
0-500

Ohms

17851^* 17456 17537 17630*
0-750

Per

(***)* (***)* 17538* 17631*
0-1000

Volt

(***)* 17458^. 17539^ 17632^
* 3 to 4 Days Delivery
^
External multipliers (Model 183) are furnished on 1" DC
meters 500 volts or higher; on 2" DC Meters, 750 volts
or higher, and on 3" and 4" DC Meters, 1000 volts
or higher. All others have self contained multipliers.
Simpson Century DC Millivoltmeters
(Self-shielding meter movement)
0-50 10.0 (***) 17472 17540 17636
50-0-50 20.0 (***) (***) 17541 17635
Simpson Century DC Ammeters
(Self-shielding meter movement)
. . 1"
MODEL
2121
2"
MODEL
2122
3"
MODEL
2123
4"
MODEL
2124
Stock
Ranges
Approx
Resistance
Ohms
Catalog
Numbers
Catalog
Numbers
Catalog
Numbers
Catalog
Numbers
0-1 .050 17800* 17400* 17475* 17565*
0-1.5 .003 (***)* 17401* 17476* (***)*
0-2 .025 17801* 17402 17477 17567*
0-3 .0166 17802 17403* 17478 17568*
0-5 .010 17803* 17404 17479* 17569*
0-10 .005 17805* 17405 17480 17570
0-15 .0033 17806* 17406* 17481* 17571*
0-25 .0020 17807* 17407 17482* 17572*
0-30 .0017 (***)* 17408 17483* 17573*
0-50 .001 17808* 17409 17484* 17574*
0-100 10.0 (***)* 17410* 17485* 17575*
0-150 10.0 (***)* (***)* 17186 17576*
0-200 10.0 (***)* 17412* 17487* 17577*
0-300 10.0 (***)* (***) 17488* 17578*
0-500 10.0 (***)* (***)* 17489* 17579*
15-0-15 .033 (***)* (***)* 17490* (***)*
30-0-30 .0017 (***)* (***)* 17491* (***)*
* 3 to 4 Days Delivery
() 1" DC ammeters are self-contained thru 10 amps. 15 amps and
higher are supplied as 50 mV meters to be used with external shunts.
2, 3, and 4 DC ammeters are self contained thru 50 amps.
Higher range DC ammeters are 50 mV meters to be used with external
shunts. See shunt listings.
Simpson Century DC Milliammeters
(Self-shielding meter movement)
. . 1"
MODEL
2121
2"
MODEL
2122
3"
MODEL
2123
4"
MODEL
2124
Stock
Ranges
Approx
Resistance
Ohms
Catalog
Numbers
Catalog
Numbers
Catalog
Numbers
Catalog
Numbers
0-1 43.0 17825 17430 17510 17600
0-3 2.0 (***)* 17431* 17511* 17601
0-5 2.0(20) 17826* 17432 17512* 17602
0-10 10.0(2.2) 17827* 17433 17513* 17603
0-15 6.6(2.2) 17828* 17434* (***)* (***)
0-20 5.0 (***)* (***)* 17515 (***)
0-25 4.0(6.0) 17829* 17436 17516* 17606
0-50 2.0(3.0) 17830* 17437 17517* 17607
0-100 1.0(1.5) 17832* 17438 17518* 17608
0-150 .66(1.0) 17833* 17439* 17519 17609
0-200 .50(.75) 17834 17440 17520 17810
0-250 .40(.60) 17835* 17441 17521* 17611
0-300 .33(.50) 17836* 17442 17522* 17612
0-500 .20(.30) 17837 17443 17523 17613
0-750 .13 (***)* (***)* 17524* 17614
0-1000 .05 (***)* 17444* (***)* 17515
Simpson Century DC Microammeters
(Self-shielding meter movement)
. . 1"
Model
2121
2"
Model
2122
3"
Model
2123
4"
Model
2124
Stock
Ranges
Approx
Resistance
Ohms
Catalog
Numbers
Catalog
Numbers
Catalog
Numbers
Catalog
Numbers
0-50 1800(5500) 17815 17418 17499 17589
0-100 1800 17816 17420 17501* 17591
0-200 1100 17818* 17422* 17503* 17593*
0-500 90(190) 17819* 17424 17505 17595*
25-0-25 1800(5500) 17820* (***)* 17506* 17596*
50-0-50 1800 17821 17425 17507* 17597
100-0-100 1100 17822* 17426* 17508* 17598*
500-0-500 43 17823* 17427 17509 17599
3 to 4 Days Delivery
() Resistances of Model 2121
Simpson Century Taut-Band DC Microammeters
(Self-shielding )
Range Approx
Resist.
Ohms
1"
Model
2121
2"
Model
2122
3"
Model
2123
4"
Model
2124
0-5 5750 . . 17495 17585
0-10 4900 . 17415 17496 17586
0-15 1960 (***) 17416 17496 17587
0-25 1960 (***) 17417 17498 17588
0-50 960 (***) 17419 17500 17590
0-100 500 (***) 17421 17502 17592
0-200 234 (***) 17423 (***) 17594
** High flux annular taut-band movement.
Simpson Century AC Voltmeters
(Rectifier Type.Self-shielding meter movement)
. . 1"
Model
2141
2"
Model
2142
3"
Model
2143
4"
Model
2144
Stock
Ranges
Approx
Resistance
Ohms
Catalog
Numbers
Catalog
Numbers
Catalog
Numbers
Catalog
Numbers
0-5 . 17855* 17460 17542* 17640
0-10 2000 17856 (***) 17543* 17641
0-15 Ohms (***)* (***) 17544* 17642
0-50 Per (***)* (***) 17545* 17643
0-150 Volt 17860* 17462 17546 17644
0-300 . 17861* (***) (***)* 17645
Simpson Century AC Voltmeters
(Iron-vane type)
Range Approx
Impedance
Ohms@60 Hz
. 2"
Model
2152
3"
Model
2153
4"
Model
2154
0-5 33 . (***)* 17725* (***
0-10 133 . 17685* 17726* 17771
0-15 300 . 17686* 17727* 17772
0-25 833 . 17687* 17728* 17773
0-50 3,333 . 17688 17729* 17774
0-100 16,666 . (***)* 17730 17775
0-150 25,000 . 17690 17731 17776
0-250 41,166 . 17691 17732 17777
0-300 50,000 . 17692* 17733 17778
0-500 83,333 . (***)* 17734 17779
3 to 4 Days Delivery
()External multipliers (Model 183) are furnished on AC
meters having a range of 500 volts or higher.
All others have self contained multipliers.
Simpson Century AC Ammeters
(Iron-vane type movement)
. . . 2"
Model
2152
3"
Model
2153
4"
Model
2154
Stock
Ranges
Approx
Resistance
Ohms
. Catalog
Numbers
Catalog
Numbers
Catalog
Numbers
0-1 .213 . 17665 17695* 17740*
0-1.5 .105 . 17666* (xxx)* (xxx)*
0-2 .065 . (***)* 17697 17742
0-3 .028 . 17667* 17698* 17743
0-5 .008 . 17668 17699* 17744
0-10 .004 . 17669* 17700 17745
0-15 .0025 . 17670* 17701* 17746*
0-25 .002 . 17671* 17702* 17747*
0-30 .0015 . 17672* 17703* 17748*
0-50 .001 . 17673* 17704* 17749*
0-75 .0002 . (***)* 17710 17755*
0-100 .008 . 17674^ 17706^* 17751^*
0-150 .008 . (***)* 17707^* 17752^
0-200 .008 . (***)* 17708^* 17753^
0-300 .008 . (***) 17709^* 17754^*
^ 2 AC ammeters are self contained thru 50 amps. 3" and
4" are self contained thru 75 amps, higher ranges are 5
amp meters to be used with external current transformers.
Simpson Century AC Milliammeters
(Iron-vane type movement)
Range Approx
Impedance
Ohms@60 Hz
. 2"
Model
2152
3"
Model
2153
4"
Model
2154
0-10 1,650. . 17680 (xxx) 17760
0-50 80. . 17681 17716 17761
0-100 17.2 . 17682 17717 17762
0-250 3.15 . 17683 17718 17763
0-500 .9 . 17684 17719 17764
Simpson Century AC Dual Range
(Ammeter/Voltmeter Models)
Range Approx
Impedance
Ohms@60 Hz
    3"
Model
2153
4"
Model
2154
0-150 Volts
and 0-5 Amps
.15030
and .021
    17694 17739
Simpson Century Wattmeters
(Dynamometer type.Single-phase accuracy 2%
Range Maximum
Volts
Maximum
Amps
  3"
Model
2173
4"
Model
2174
0-75 150 1.0   17881 17896
0-150 150 2.0   17882 17897
0-300 150 4.0   17883 17898
0-600 300 4.0   17884 17899
0-750 150 10.0   17885 17900
0-1500 300 10.0   17886 17901
0-3000 300 20.0   17887 17902
Simpson Century Compensated Wattmeters*
(Accuracy 3%
Range Maximum
Volts
Maximum
Amps
  3"
Model
2173
4"
Model
2174
0-10 150 0.175   17875 17890
0-20 150 0.400   17876 17891
0-30 150 0.650   17877 17892
0-30 300 0.300   17879 17894
0-50 300 0.500   17880 17895

* The standard wattmeter is unsuitable for use at low values
because the power dissipated in the meter itself becomes an
appreciable portion of the meter reading.
This error is corrected in a COMPENSATED Wattmeter.
(***)AVAILABLE ON SPECIAL ORDER

Simpson Century 4-20 mA Process

Size

Model No.

Catalog No.

Meter Movement

3 2123 35027 Annular
4 2124 35028 Annular

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Phone: 800-926-3837           FAX: 661-339-2309