Ludlum Model 239-1F Monthly Rental

$219.00
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$219 monthly/$73 weekly

Instrument, Detector, P-10 Gas Bottle, and Regulator not included and must be ordered separately.

  • Floor monitoring for Alpha, & Beta-Gamma
  • Typically used with Ludlum Models 12, 2221, 2224 or 2350-1
  • Gas proportional
  • Instrument, P-10 Gas Bottle, Regulator and Detector must be ordered separately

INDICATED USE:
Floor monitoring for alpha, and beta-gamma

DETECTOR:
Gas proportional

RECOMMENDED COUNTING GAS:
P-10 (10% methane; 90% argon)

BOTTLE SIZE:
Typically used with Matheson size 2 or Linde Q bottles (provided by customer)

DETECTOR WINDOW:
0.8 mg/square cm aluminized mylar (window thickness of 0.4, 1.2, 3.9, or 7.9 mg/square cm available)

WINDOW AREA:
ACTIVE - Approximately 582 square cm
OPEN - Approximately 425 square cm

EFFICIENCY(4pi geometry):
Approximately 25% - Sr-90/Y-90; 17% - Pu-239; gamma - less than 1%

GAS RECHARGE:
Will operate on static charge for over 2 hours

COMPATIBLE INSTRUMENTS:
Typically used with Model 12, 2221, 2224, or 2350-1

DETECTOR HEIGHT:
Adjustable from 0 - 1½" (3.8cm) from surface

DETECTOR OPERATING VOLTAGE:
ALPHA - Typically 1000 - 1200 volts
BETA-GAMMA: Typically 1600 - 1800 volts

THRESHOLD:
Typically 2 - 4 mV

FLOW METER:
IN - Adjustable from 0 - 100 cc/min
OUT - Flow indicator from 0 - 100 cc/min

GAS CONNECTORS:
Double end quick disconnect for 0.25"(0.6cm) OD tubing

GAS CONSUMPTION:
Typically 50 cc/min

CONSTRUCTION:
DETECTOR - Anodized aluminum housing with stainless steel hex protective screen (79% open)
CART - 1" square tubular steel and aluminum with beige polyurethane enamel paint, 7.5"(19.1cm)diameter rear wheels, and 4"(10.2cm) diameter swivel casters

TEMPERATURE RANGE:
-4° F(-20° C) to 122° F(50° C)
May be certified for operation from -40° F(-40° C) to 150° F(65° C)

SIZE:
DETECTOR - 0.8"(2cm)H X 6.3"(16cm)W X 18.3"(46.5cm)L
CART - 42"(106.7cm)H X 16"(40.6cm)W X 27.5"(69.9cm)L (excluding detector)

WEIGHT:
25 lbs (11.4kg) (excluding gas bottle and counting instrument)