Specifications

Masterclock, Inc.
phone (USA and Canada): 1-800-940-2248 | phone (international): [phone]
email: [e-mail] | online: www.masterclock.com
FEATURES
• 30” - 76cm burnished stainless steel clock
• Uses external (or your own internal) NTP source for accurate
time traceable to NIST
• All international time zones
• Daylight saving time – available and configurable for all
countries
• Uses standard Ethernet wiring
• Utilizes microprocessor controlled stepper motor for rapid,
reliable, accurate, and quiet operation
• Universal AC input voltage & frequency
• Optional PoE (Power over Ethernet)
• Internal crystal and clock chip
• LED Status Indicator
• Deluxe handmade stainless steel chassis
SPECIFICATIONS
Setup and control software
• Supports DHCP/BOOTP for automatic acquisition
of network address, nameservers, and time server
configuration
• NTP synchronization options and more
• Provides dynamic configuration for networking
parameters, time zone/daylight saving time
• Configure clocks through provided network
discovery tool or TELNET
• Network discovery tool provides automatic
discovery of NTP clocks attached to network
without changing PC’s network configuration
• Configuration is saved to non-volatile memory and
survives power losses
• Encrypted network messages prevent
unauthorized tampering of clock configuration
Operating Temperature and Humidity
• Temperature: 0 to +40°C
• Humidity: Up to 90% (non-condensing at +25°C)
Physical
• 30” - 76cm diameter, 3.3” - 8.38cm deep
burnished stainless steel case with flat acrylic UV
stable lens/crystal
• Also available in black or white powder coat
• Surface / wall mount bracket provided
• Weight - 31.28 lbs - 14.19 kg
• Optional 24hr face available
• Optional tick mark face available
Power
• 90-265 VAC 50/60 Hz
• IEC AC power connector and cord
• Specify US, UK, EURO, or AUS/NZ plugs
• PoE (Power over Ethernet) option available
• < 12.95W power consumption
Compliance
• CE Marked - available for sale in EU
• FCC, Class B, Emissions
NTP Driven Clocks
CLKNTD30
3.6. 4