Ludlum Model 177-84 Monthly Rental

$186.00
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$186 monthly/$62 weekly

Non-routine instrument setup and/or calibration requests will incur a one-time setup/calibration charge in addition to rental rate noted above.  When this applies, you’ll be informed of the amount of the additional charge at time of order or, if requested, prior to placement of order.

  • Simultaneous Alpha & Beta Counting
  • Independent Alpha & Beta
    - Readouts
    - Alarms Setpoints
    - Audible Signatures
  • Automatic Background Subtraction & Updating
  • 50 Hour Battery Backup

APPLICABLE DETECTORS:
gas proportional, dual phosphor scintillator (like Ludlum Models 43-93, 43-68)

HIGH VOLTAGE:
200-2500 VDC

ALPHA PARAMETERS:
Threshold: 1-180 mV
Meter Scale: 0-1000 cpm

BETA PARAMETERS:
Threshold: 1-4 mV
Window: adjustable 4-70 mV
Meter Scale: 100-100,000 cpm

CROSSTALK:
? 1% alpha counts in beta channel, ? 10% gross counts in alpha channel

LINEARITY:
± 10% of true value, typically ± 2% of true value when measured with an electronic pulser

RESPONSE TIME:
beta varies between 1-5 seconds, alpha varies between 5-15 seconds

COUNT TIME:
adjustable between 0-120 seconds in 8 second increments

METERS:
dual meters (one each for alpha and beta), 1 mA, 2 inch DC movement

CONTROLS:

  • Front Panel:
    - ACK/Reset button
    - Meter readout model (HV, Alarm, Ratemeter)
  • Rear Panel: power on/off

STATUS INDICATORS:
Green LED’s:  updating background, checking, check on

Red LED’s: incomplete, overload, low battery

INPUTS:
count switch signal input via phone jack TINI-JAX #41

DETECTOR CONNECTOR:
series type “C”

POWER:
117 VAC 60 Hz, and internal rechargable 6 V (sealed-acid) battery, battery life approximately 50 hours


SIZE:
19.1 x 22.9 x 15.3 cm (7.5 x 9 x 6 in.) (H x W x L)

WEIGHT:
2.3 kg (4.9 lb.)