Model: PM6685/656

Digital Reado Electronic Counter

Special Features:

Manufacturer name pm 6685 universal frequency counter; option 656 =2.7 ghz input c; 5very high stability oven time base; gpib interface and time & frequency analysis w

Properties:

Overall Length
15.600 inches
Wattage Rating In Watts
30.0
Overall Height
3.400 inches
Overall Width
8.250 inches
Current Type
Ac/dc
Frequency Rating
Between 45.0 hertz and 440.0 hertz
Electrical Connection Type
Bnc
Internal Battery Accommodation
Included
Voltage Rating
Between 90.0 volts and 265.0 volts
Electrical Connection Quantity
2
Mounting Method
Bench
Measurement Type
Frequency and time
Frequency Range
+0.000/+300.000 megahertz f1 input ratio and +0.100/+2.700 gigahertz f2 input ratio
Accuracy Rating
10 digit per second
Sensitivity Rating
Sinewave: 10 mv rms 10 hz/50 mhz, 15mv rms 50 mhz/100 mhz, 20 mv rms 100mhz/150 mhz, 30 mv rms 150 mhz/200 mhz50 mv rms 200 mhz/300 mhz
Internal Calibration Feature
Not included
Display Type
Liquid crystal
Display Digit Quantity
12
Display Units Indicator
Not included
Display Positioned Decimal Point
Provided
Display Storage Facility
Included
Remote Control Provisions
Not included
Solid State Feature
Included
Plug-in Units Provision
Not included
Standard Frequency Output Feature
Included
Phase
Single
NSN
6625-01-494-8298
Part Number
PM6685/656
Description
Counter,electronic,digital Reado
CAGE
89536

An instrument used to count the frequency of recurrent electronic events and display the count on the panel of the instrument in numeric form. May also include facilities for a readout printed on tape. May include facilities for a very accurate output which can be used as a secondary transfer standard. It can be used to measure frequency, period, time interval, phase angle, frequency ratio, and for multiple period averaging. See also counter, electronic, digital and indicator, digital display.

Part PM6685/656 NSN 6625-01-494-8298

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
26835
FIIG:
T297-A
Concept No.:
App. Key:
AA
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
A
ESD:
ESD:
MMAC:
RH
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061700
UFC:
34580
LTL:
RATING VARIABLE
LCL:
77.5
WCC:
738
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 9030908030
  • SITC: 87479
  • End Use: Measuring, testing, control instruments
  • NAICS: 334515
  • USDA: 1

Freight Class: Parts and accessories of articles of schedule b subheading 9030.39

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