Rion VM-56, Instruction Manual, Page: 172 / 180

160
Specifi cations
Warning display
Warm up period display (Displayed for 1 minute 30
seconds after startup)
Overload Range Lit with full scale input +10.3 dB
Under-range Range Lit with full scale input −71 dB
USB
Mass storage class
Connected to a computer as a storage device, and
recognized SD card as a removable disk
Communication device class (virtual COM)
Allows control with communication commands using
communication device class
RS-232C communication
Allows RS-232C communication using the dedicated
cable (I/O connector is used)
Baud rate: 38400 bps / 57600 bps / 115200 bps
Comparator output
Open collector output (I / O terminal used)
Maximum applied v24 V
Maximum drive current 50 mA
(at applied v24 V)
Threshold level can be set for each frequency
Measurement target PPV
Power requirements
Eight AA batteries or external power supply
When both are present, the external power supply is given priority
Battery operating time
Continuous operation time 24 hours or more
Auto off when the store is off, ACOUT: OFF
* calculation period: 10 min
AC adapter NC-98 series (NC-98C, NC-98D, …)
External power supply voltage
+5 V to +7 V (rated v6 V)
Water and dust resistant performance
IP54