Rectangular Style
Analog Panel Meters
• UL Recognized - File # E91015
Except for the Wattmeters &
Frequency Meters
• Plastic case with Glass Window
• Calibration not affected when
mounted on steel
• Three popular sizes:
2-1/2”, 3-1/2”, 4-1/2”
Specifications
Accuracy
Wattmeters:
Movement
±2% full scale (iron-vane), ±3% (rectifier)
±2% full scale; Compensated meters: ±3% full scale
Model 57, 59, 157 Iron-vane, magnetically damped
Wattmeters: Dynamometer
All others: Annular, rectifier type, self-shielding
Pivot and jewel; “T” styles: taut band
±3%
Calibration is unaffected by magnetic panel mounting
1.5 seconds maximum
10 times F.S.
1.5 times F.S.
2 %, tautband: .5%
Sharp clear scale. Each dial arc is calibrated to track the
specific type of movement used
±15% of meter impedance
Spade pointer with black, matte finish
Models 177 & 157: 1.6” (40.6mm)
Models 147, 127 & 127T: 1.8” (45.7mm)
Models 57 & 77: 2.3” (58.4mm)
Models 27, 27T & 47: 2.5” (63.5mm)
Models 59 & 79: 3.50” (89.0mm)
Models 29, 29T & 49: 3.9” (99.0mm)
Net Weight
Models 57 & 157: 5 oz. (0.14 kg)
Model 127, 127T & 147: 7 oz. (0.20 kg)
Models 27, 27T, 47 & 59: 8 oz. (0.23 kg)
Models 77 & 177: 9 0z. (0.26 kg)
Models 29, 29T & 49: 11 oz. (0.31 kg)
Model 79: 12 oz. (0.34 kg)
1
Rev. 08-29-13
Suspension
Tracking
Shielding
Response Time
Overload (1 sec.)
Overload
(Continuous)
Repeatability
Dial
Resistance
Pointer
Scale Length
Rectangular Style
Analog Panel Meters
Frequency Meter Specifications
Accuracy
45-55 Hz ± 0.3 Hz (120V-240V)
55-65 Hz ± 0.3 Hz (120V-240V)
380-420 Hz ± 1.2 Hz (120V-240V)
Movement
Suspension
Shielding
Center Scale Value
Power Consumption
Warm-up Time
Max. Input: Voltage (10 sec)
Small core magnet, self-shielding
Pivot and jewel
Calibration is unaffected by magnetic panel mounting
50/60/400 H
z
1.6 VA
5 minutes
150, 120V normal
280, 240V normal
Dial
Case
Operating Temperature
Pointer
Scale Length
Sharp clear scale.
Each dial arc is calibrated to track the specific type of movement used
High density black plastic
-4ºF to + 149ºF (-20ºC to + 65ºC)
Spade pointer with black, matte finish
Model 187: 1.8” (45.7mm)
Model 89: 3.5” (89.0mm)
Model 87: 3.9” (99.0mm)
Net Weight
Model 187: 5 oz. (0.14 kg)
Model 87: 8 oz. (0.23 kg)
Model 89: 11 oz. (0.31 kg)
2
Rev. 08-29-13
Rectangular Style
Analog Panel Meters
Dimensions
3-1/2” Model 27 & 27T, 47, 57, & 87
3-1/2” Model 77
4-1/2” Model 29 & 29T, 49, 59, & 89
4-1/2” Model 79
2-1/2” Model 177
2-1/2” Model 127 & 127T, 147, 157, & 187
3
Rev. 08-29-13
Rectangular Style
Analog Panel Meters
Ordering Information
Frequency, Self-Shielding Movement
Range
45-55 Hz
55-65 Hz
380-420 Hz
45-55 Hz
55-65 Hz
380-420 Hz
Voltage
120V
120V
120V
240V
240V
240V
2-1/2”
Model 187
35136
35138
35140
35137
35139
35141
3-1/2”
Model 87
35142
35144
35146
35143
35145
35147
Not
4-1/2”
Model 89
35148
35150
35152
35149
35151
35153
Model / Size and Catalog Number
4-20 mA Process Meters,
Dial Indicates 0-100%
Size
3-1/2”
4-1/2”
Style
Rectangular
Rectangular
Model
27
29
Approx.
Impedance (Ohms)
5.0
5.0
Catalog
No.
35023
35024
Wattmeters, Self Shielding Movement
Maximum
Range
0-20
0-75
0-150
0-300
0-600
0-750
0-1500
0-3000
Volts
150
150
150
150
300
150
300
300
Amps
.400
1.0
2.0
4.0
4.0
10.0
10.0
20.0
2-1/2”
Model 177
<>
10860
<>
<>
<>
10900
10910
10920
3-1/2”
Model 77
<>
10650
<>
<>
10680
10690
10700
10710
Not
Model / Size and Catalog Number
4-1/2”
Model 79
10714
10720
10730
10740
10750
10760
10770
10780
< > Available on special order
4
Rev. 08-29-13
Rectangular Style
Analog Panel Meters
Ordering Information
DC Voltmeters,
Self-Shielding Movement
Range
0-1.5
0-3
0-5
0-8
0-10
0-15
0-25
0-30
0-50
0-100
0-150
0-200
0-250
0-300
0-500
0-750
0-1000
0-1500
0-2000
0-2500
0-3000
0-4000
0-5000
< > Available on special order
* External multipliers (Model 183) are furnished 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
2000 Ohms
per Volt
1000 Ohms
per Volt
Approx.
Impedance
(0hms) @ 60 Hz
Model / Size and Catalog Number
2-1/2”
Model 127
09020
09030
09040
09050
09060
09080
09090
09100
09110
09130
09140
09160
09170
09180
09200
<>
<>
<>
09225 *
<>
<>
<>
<>
3-1/2”
Model 27
07290
07300
07310
<>
07330
07350
07360
07370
07380
07400
07410
07430
07440
07450
07470
07490
07495 *
07520 *
07530 *
07550 *
07560 *
<>
07600 *
4-1/2”
Model 29
07620
07630
07640
07650
07660
07670
07680
07690
07700
07710
07720
07730
07740
07750
07760
07770
07780 *
07790 *
07800 *
07810 *
07820 *
07830 *
07840 *
DC Millivoltmeters,
Self-Shielding Movement
Range
0-50
0-100
Approx.
Impedance
(Ohms) @ 60 Hz
10.0
20.0
Model / Size and Catalog Number
2-1/2”
Model 127
06990
<>
3-1/2”
Model 27
06930
06940
4-1/2”
Model 29
06950
06960
< > Available on special order
5
Rev. 08-29-13
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