Amplifier Unit GA-221

Model

GA-221

Type

AC type

Applicable sensor head

GH-413, 313A

Sensitivity adjustment

Sensitivity selector switch & potentiometer trimmer

Response frequency

100 Hz to 8 kHz (-3dB)

Minimum detectable acceleration

9.8 m/s² (GH-413), 4.9 m/s² (GH-313A)

Indicator lamp

Power and output indicator (Power ON: green, Output ON: red)

Output

Control output

Solid-state

Thyristor: 85 to 240 VAC,5 to 300 mA^*1

Relay

Analogue

―^*1

Output delay time

1 ms

Operation mode

N.O./N.C. (selectable)

ON-delay timer

OFF/0.5 s (switch-selectable)

OFF-delay time

ON-delay timer ON: 200 ms, OFF: 60 ms

Rating

Power voltage

85 to 240 VAC, 50/60 Hz

Power/current consumption

2 VA max.

Environmental resistance

Ambient temperature

0 to +50 °C

Relative humidity

35 to 85 % RH (No condensation)

Vibration resistance

10 to 55 Hz, Double amplitude 1.5 mm, 2 hours in each of the X, Y, and Z directions

Weight

Approx. 190 g