21683 Simpson, 21683 Datasheet - Page 38

• Manufacturer Part Number: 21683
• Description: Load/Strain Meter
• Manufacturer: Simpson

Specifications of 21683

• Meter Function: Percent Motor Load
• Meter Range: 0A To 5A
• Meter Size/dimensions: 4.5 X 4.5 In.
• Scale Length: 103mm
• Meter Shape: Square
• Display Accuracy ±: 3%
• Current Meter Range: 0-5 ACA
• Equipment Type: Percent Motor Load Panel Meter
• Range: 0 - 5
• Size: 114.3 mm
• Accuracy: +/-3 %
• Barrel Size: 2.82"
• Rohs Compliant: No
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Contains lead / RoHS non-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