01020 Simpson, 01020 Datasheet - Page 38

• Manufacturer Part Number: 01020
• Description: Analog Panel Meters 55 0-25 ACA 3.5'
• Manufacturer: Simpson
• Type: Ammeterr

Specifications of 01020

• Equipment Type: AC Current Meter
• Range: 0 - 25
• Size: 2.50 in
• Accuracy: ±2% %
• Application: For industrial and commercial
• Connection Type: Stud
• Diameter, Body: 2.75 in. (I.D), 3.50 in. (O.D)
• Diameter, Mounting Hole: 0.16 in.
• Dimensions: 1.31"H×2.75"Dia.
• Display Type: Analog
• Function: Ammeter
• Impedance: 0.002 Ohms @ 60 Hz
• Material, Casing: Plastic
• Measuring Range: 0 to 25 ACA
• Primary Type: Electromechanical
• Range, Measurement: 0 to 25 AAC
• Repeatability: 2%
• Size, Thread: 1⁄4-28
• Standards: UL Recognized
• Temperature, Operating: -20 to +65 °C
• Meter Function: AC Ammeter
• Meter Range: 0-25
• Meter Size/dimensions: 3.5 In.
• Scale Length: 58.4mm
• Barrel Size: 2.82"
• Current Meter Range: 0-25 A
• Display Accuracy ±: 2%
• Meter Movement: Iron-Vane
• Rohs Compliant: NA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

10
B
Dimensions
• Clear acrylic case updates panel design
• Black knife-edge pointer for precision
• Special colored scales or logos available
reading
1-1/2"-Model 921, 921T, 941
2-1/2"-Model 922, 942
1.75
1.75
Accuracy:
Movement:
Suspension:
Tracking:
Repeatability:
Shielding:
Response Time:
Overload (1 sec.):
Overload
(Continuous):
Dial:
Operating Temperature:
Resistance:
Case:
Pointer:
Scale Length:
Net Weight:
Specifications
4 - 1/2”-Model 924, 924T, 944, 954
3-1/2"-Model 923, 923T, 943, 953
DC: Annular, self-shielding
AC: Models 953 & 954: Iron-vane, magnetically damped
Pivot and jewel or taut band
2%, taut band: 0.5%
Calibration is unaffected by stray magnetic field or
panel mounting.
1.5 seconds maximum above10mA.
10 times F.S.
1.5 times F.S.
Sharp clear scale. Each dial arc is calibrated to track
the specific type of movement used.
-4°F to +149°F (-20°C to +65°C)
±15% of meter impedance
Clear plastic
Knife edge, black matte finish
Models 921 & 941: 1.56” (39.62mm)
Models 922 & 942: 2.40” (60.96mm)
Model 953: 2.94” (74.68mm)
Models 923 & 943: 3.27” (83.06mm)
Model 954: 3.53” (89.66mm)
Model 924: 3.92” (99.67mm)
Models 921 & 941: 1.5oz (.04kg)
Models 922 & 942: 4oz (.11kg)
Models 923, 943 & 953: 6 oz (0.17kg)
Models 924, 944 & 954: 8oz (0.23kg)
2% F.S. (iron vane), ±3% F.S. (rectifier)
3
1
%
others: Annular, rectified
=
Panel Meter Cut-out Dimensions