1.5" Rectangular.
4-Stud.
#10 Input Terminals.
Surface Mount.
90 Degree Arc.
Pivot & Jewel OR Taut Band (Choose Surface Mount "N" or Window Mount "W").
White Dial; Black Lettering.
Black Knife Edge Pointer.
Plastic Case.

Accuracy: 2% (0 to 100% Full Scale Deflection).
Relative Humidity: 20% to 80%RH (Nominal Use).
Operating Temperature: 32°F to 104°F (0°C to 40°C).
Storage Temperature: -4°F to 131°F (-20°C to 55°C).
Scale Balance: 1% of Scale Length.
Performance: ANSI C39.1.
Vibration: ANSI C39.1.
Enclosure: IP42 unless otherwise noted.

HST-57W Equivalent to Yokogawa (YCA) Horizon Series 251-1, 255-5
HST-57N Equivalent to Yokogawa (YCA) Stylist Series 260-1

1.5" Rectangular.
4-Stud.
#10 Input Terminals.
Surface Mount.
90 Degree Arc.
Pivot & Jewel OR Taut Band (Choose Surface Mount "N" or Window Mount "W").
White Dial; Black Lettering.
Black Knife Edge Pointer.
Plastic Case.

Accuracy: 2% (0 to 100% Full Scale Deflection).
Relative Humidity: 20% to 80%RH (Nominal Use).
Operating Temperature: 32°F to 104°F (0°C to 40°C).
Storage Temperature: -4°F to 131°F (-20°C to 55°C).
Scale Balance: 1% of Scale Length.
Performance: ANSI C39.1.
Vibration: ANSI C39.1.
Enclosure: IP42 unless otherwise noted.

HST-57W Equivalent to Yokogawa (YCA) Horizon Series 251-1, 255-5
HST-57N Equivalent to Yokogawa (YCA) Stylist Series 260-1