Internal

Option FRQ

For calibration of high accuracy frequency counters, a 1ppm high stability frequency output is available on 3000/4000 only.

Internal

Option GPIB

Additional GPIB / IEEE 488 interface for connecting into existing systems

Internal

Option IND

For full calibration of LCR meters, an inductance output is required. Option IND adds 8 fixed inductance values to enable complete calibration, available on 3000/4000 only.

Internal

Option PWRDDS

Option PWRDDS expands on the functionality of PWRSINE by adding the ability to simulate harmonics, distortion, dropouts and flicker for calibration of power meters with power quality functions,available on 3000/4000 only.

Internal

Option PWRSINE

Enables calibration of power and wattmeters, with a dynamically controlled phase relationship between voltage and current outputs available on 3000/4000 only.

Internal

Option SCP350

Providing calibration for oscilloscopes to 350Mhz bandwidth available on 3000/4000 only.

Internal

Option SCP600

Providing calibration for oscilloscopes to 600Mhz bandwidth available on 3000/4000 only.

Internal

SIMRC

In addition to passive resistance fitted as standard, option SIMRC adds variable resistance and simulated capacitance outputs available on 3000/4000 only.