Frequency Counters Models 1875

These counters feature multiple channel inputs, selectable sensitivity gate time and frequency range. A built-in stand allows proper viewing on a test bench. The convenient size makes them easy to transport. Both counters feature a dedicated chip that offers unique features in a handheld counter. HOLD - freezes the display for later viewing.  RELATIVE - nulls a reading and displays the difference from the original reading. RECORD and CALL - stores a reading in memory and recalls minimum, maximum and average values with the push of a button. Coupled with the available accessories, these counters will become an indispensable part of your T&M toolbox.
  Small, handheld portability
  model 1875 to 2.5 GHz
  Selectable Sensitivity
  Data hold, minimum, maximum, average readings
  Auto off
  Frequency Range
Model 1875 - 10 Hz to 2500 MHz
  No. of Digits 8
  Sensitivity - selectable
Model 1875 - 10 to 120mV rms
  Input
Model 1875 - 3 channel selection
Specifications
 
1870 Discontinued
1875
Display
13mm (0.5in) LCD, 8 digits
13mm (0.5in) LCD, 8 digits
Range
Frequency:
2500 MHz, 50 MHz to 2500 MHz
 
Channel A - 500MHz, 1250 MHz
500 MHz, 10 MHz to 500 MHz
 
Channel B - 10 MHz (10 Hz to 10 MHz)
10 MHz, 10 Hz to 10 MHz
 
Period: 10 Hz to 10 MHz
Period: 10 Hz to 10 MHz
Resolution, Sample Time
Sensitivity (rms)
1.25 MHz
50 MHz to 800 MHz less than or equal to 100 mV
2500 MHz
50 MHz to 75 MHz, less than or equal to 100 mV
   
801 MHz to 1100 MHz less than or equal to 250 mV
 
76 MHz to 2500 MHz, less than or equal to 50 mV
 
500 MHz
10 MHz to 20 MHz less than or equal to 80 mV
 
10 MHz to 35 MHz, less than or equal to 120 mV
   
21 MHz to 500 MHz less than or equal to 50 mV
 
36 MHz to 350 MHz, less than or equal to 50 mV
       
351 MHz to 450 MHz, less than or equal to 120 mV
 
10 MHz
10 to 50 mV
10 MHz
50 mV
General Specifications
Power
(4) 1.5V AA  Batteries or AC Adapter (not included)
Display
13mm (0.5in) LCD, 8 digits
Low Battery Warning
 
Power Consumption
Approx. DC 45mA at 10 MHz & period range
Operating Temp
0 to 50 degrees C (32 to 122 degrees F) at Max 90% RH
Dimensions (LxWxH)
173 x 80 x 35 mm (6.8 x 3.1 x 1.4 in)
Warranty
One Year
Weight
340g (0.75 lb) including batteries
Standard Accessories
Operation Manual
Accessories
CC-41
Cable, 36 in. BNC to BNC
CCNN-23
Safety Hook-up Cable, Double N Connectors
CCPB-21
Safety Hook-up Cable, BNC to Alligator
ADNB-24
BNC to N Coupler
AT-20
Telescoping Antenna, BNC Connector
LC-29A
Vinyl Carrying Case
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