The Pendulum CNT-91 zero-dead-time counter features continuous data streaming of measurements over GPIB/USB during, not after, measuring; creating a dynamic measurement/analysis system, a fi rst in the counter industry. The CNT-91 is a unique frequency Analyser, outperforming any universal timer/counter.
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250k meas/sec to internal memory 3.75M stored measurement results
Programmable Pulse Output from 0.5 Hz to 50 MHz
Integrated Rubidium atomic clock (model CNT-91R)
Shock
Half-sine 30G per MIL-PRF-28800F; Bench handling
Vibration
Random and sinusoidal according to MIL-PRF-28800F, Class 3
Accessories
19" Rackmount kit for one CNT-9x, GPS-12x, GSG-5/6 or FDA-300 plus one Keysight ½*19" unit, side by side
19" Rackmount kit for two CNT-9x, GPS-12x, GSG-5/6 or FDA-300, side by side
19" Rackmount kit for one CNT-9x, GPS-12x, GSG-5/6 or FDA-300
Soft Carrying case for CNT-9x, GPS-12x, GSG-5/6 or FDA-300
Heavy duty Transport case for CNT-9x, GPS-12x, GSG-5/6 or FDA-300
Transit Drop Test
Heavy-duty transport case and soft carrying case tested according to MIL-PRF28800F
Class
MIL-PRF-28800F, Class 3
Calibration and Extended Warranty
Timebase aging measurement with report, per week. Available for CNT-9x, GPS-12x, GPS-88/89, 6688/6689 (NOTE This option includes NO Calibration, which must be ordered separately)
Calibration certificate w. Protocol, standard oscillator
Time-base Calibration certificate w. Protocol, OCXO oscillator, for CNT-9x or 6688
Accredited ISO 17025 time-base Calibration certificate w. protocol, OCXO oscillator, for CNT-90, CNT-91, CNT-90XL or 6688
Two years Extended warranty to a total of 4 years (without product registration, or 5 years (with product registration).
Service agreement 1 year. Includes yearly functional check, calibration of time-base oscillator, calibration of RF output level (GSG-5/6 only), priority repair and more.
Other Options
Internal Battery operation
Rear panel inputs for CNT-90 family (replaces front panel inputs).
GPIB-to-Ethernet Controller. Plugs into the GPIB port of the CNT-9x and enables remote control via Ethernet
Pulsed RF Software Option for CNT90XL. Provides following additional measurements: Frequency in burst, peak power in burst, pulse width, pulse repetition interval / frequency. Must be ordered together with the CNT-90XL and is not upgradable.
TimeView 2 Modulation Domain Analysis software for CNT-90, CNT90XL and CNT91/91R. Includes CD-ROM and activation key.
TimeView 3 Modulation Domain Analysis software for CNT91/91R only. Includes CD-ROM and activation key
Built in Options
Medium stability OCXO time base option for CNT-90/91 series; ageing: 5 ppb / day. Note this OCXO is standardly included in CNT-90XL
High-stability OCXO, oven oscillator, option for CNT-90-family
Ultra-stability OCXO, oven oscillator, option for CNT-90-family
Built in High Frequency Input C Options
3 GHz input option for CNT-90/91
8 GHz input option for CNT-90/91
15 GHz input option for CNT-90/91
20 GHz input option for CNT-90/91
EMC
EN 61326 (1997); A1 (1998), increased test levels according to EN 50082-2, Group 1, Class B, CE
Storage Temperature
-40°C to +71°C
Operating Temperature
0°C to +50°C
Humidity
5%-95% (10°C to 30°C)
5%-75% (30°C to 40°C)
5%-45% (40°C to 50°C)
