Frequency Standards

The new GPS Frequency standard Taref3/30 from Schomandl comes in a 19″ housing with 1U height for rack mounting. It is the new standard for multiplexing systems, telecommunication, calibration laboratories, ripple control and others

This Frequency Standard with an internal OCXO provides extremly high precision frequencies with high spectral purity and the long-term stability of cesium standard. The accuracy and stability of the output frequencies are controlled by the timing signal of the GPS satellite system. The internal oscillator frequency is continuosly monitored and corrected by the timing signals of the GPS satellite system. The accuracy of the Taref 3 is better than: 1*10E-10, of the Taref 30 it is: 1*10E-12 in case of GPS failure. All status data of the unit are available permanently and can be transfered to a PC or e.g. via LAN and remote transmission for monitoring and transmission.

FeatureSpecification
Mains Operating Voltage230Vac ±10%, 47-63Hz Single Phase
Current Consumption1A max.
Operating temperature range-100 C to +400 C
Storage temperature range-200 C to +700 C
50 C to 250 C for minimal battery discharge
InterchangeabilityUnits are identical and fully interchangeable
Environmental Protection (Ingress)Case with lid closed IP65 Case Lid Open IP40
Operational capabilitySystem operational in all weather conditions with lid closed
Dimensions (excluding carrying handle and feet)327 x 411 x 297 (lid fitted) 227 x 411 x 297 (lid removed)
PortabilityMan Portable
Weight10Kg approx.
ChargerInternal
Charging of battery packCharging with unit on or off
Charging rateFast Charge rate 2A
Trickle charge rate 400mA approx. Temp. range for charging 00 C to 400C
CablesFibre Optic Inter Unit Cable (100m std.)
Wound on cable drum
Mains Supply Cable (one 2m cable each unit)
Aircraft Auxiliary Output Cable (one 3m cable in each unit)
Product Range 
1 Channel Digital Video1 Channel Digital Video
10/100 Ethernet
1 Channel Digital Video1 Channel Digital Video (PTZ)
Bi-Directional Data1 Channel Bi-Directional Data
10/100 Ethernet1 Channel Bi-Directional Contact Closure
1 Channel Digital Video1 Channel Digital Video
Bi-Directional DataBi-Directional Data
Bi-Directional Audio4 Channels Bi-Directional Audio
Bi-Directional Contact Closure4 Channels Bi-Directional Contact Closure
10/100 Ethernet
2 Channel Digital Video Mux2 Channel Video Mux (PTZ)
Return Data
2 Channel Digital Video2 Channel Digital Video
Bi-Directional Data10/100 Ethernet
2 Channel Digital Video Mux2 Channel Digital Video Mux
Bi-Directional Data1-Channel Bi-Directional Data
10/100Ethernet4 Channels Bi-Directional Audio
4 Channels Bi-Directional Contact Closure
4 Channel Digital Video Mux4 Channel Digital Video Mux
Return Data (PTZ)
4 Channel Video Mux4 Channel Digital Video Mux
1 Channel Bi-Directional Data10/100 Ethernet
4 Channel Digital Video Mux4 Channel Digital Video
1 Channel Bi-Directional Data1 Channel Bi-Directional Data
10/100 Ethernet4 Channels Contact Closure
4 Channel Video Mux
1 Channel Bi-Directional Data
4 Channels Bi-Directional Audio
4 Channels Bi-Directional Contact Closure
10/100 Ethernet
8 Channel Video Mux8 Channel Video Mux
Return Data (PTZ)
8 Channel Video Mux8 Channel Video Mux
1 Channel Bi-Directional Data2 Channels Bi-Directional Data
8 Channel Video Mux
1 Channel Bi-Directional Data
4 Channels Bi-Directional Audio
4 Channels Bi-Directional Contact Closure
16 Channel Video Mux16 Channel Video Mux
Return Data (PTZ)
16 Channel Video Mux
Bi-Directional Data
Product Range 
RS-232T1
RS-530E1
RS-485DS3, T3
RS-4234-Wire Telephone
RS-4492-Wire Telephone
V.35Security System Transceiver
NRZ/TTLDual Channel Isolators
RS-232 MicroModem Compatible FOM IIRS-530 MicroModem Compatible FOM II
MicroModems (industrial strength)FOM II Chassis
MicroModem ChassisTelephone Multiplexers
Frequency Standards