Check Sources INDICATED USE: Instrument functional check ISOTOPE: Cs-137 (others available) AMOUNTS: 0.27 µCi, 1 µCi (others available) SIZE: 1"(2.5cm) diameter X 0.1"(0.3cm) thick

Part Number: 01-5196

Part Number: 4062-166

Source Holder INDICATED USE: Mounting a check source to an instrument for quick functional checks CAPACITY: Holds up to a 1"(2.5cm) diameter source CONSTRUCTION: Aluminum with yellow polyurethane enamel paint SIZE: 1.6"(4.1cm)H X 1.8"(4.6cm)W X 0.5"(1.3cm) Thick

Standard Carrying Cases CASE TYPE: Airmold brand CONSTRUCTION: Double wall charcoal gray molded plastic with foam pad insert SIZES: (Inside dimensions) Small - 14"(35.5cm)L X 10.7"(27cm)W X 5.7"(14.5cm)D-Part Number: 2310278 Medium - 17"(43cm)L X 13"(33cm)W X 7.5"(19cm)D-Part Number: 2310330 Large - 24.5"(62cm)L X 13"(33cm)W X 7.5"(19cm)D-Part Number: 2310327

Air and Water Tight Carrying Cases CASE TYPE: Storm brand CONSTRUCTION: Black injection-molded case utilizing HPX™ resin WORKING ENVIRONMENT: Airtight and watertight (Waterproof design with tongue and groove locking lid) SIZE: (Inside dimensions) Small - 13"(33cm)L X 9.2"(24.2cm)W X 6"(15.2cm)D - (iM2100) - Part No: 2311062 Medium - 17"(43.2cm)L X 11.7"(29.7cm)W X 6.2"(15.7cm)D - (iM2300) - Part No: 2311063 Large - 22"(55.9cm)L X 17"(43.2cm)W X 8"(20.3cm)D - (iM2700) - Part No: 2311064

Misc. Carrying Cases Model 2401 Canvas Case - PN: 2310517 Model 2401 Air and Watertight Case - PN: 2311119 Model 12-4 Neutron Counter Case - PN: 2310377 Model 77-3 Case - PN: 2310528

Part Number: 4464-114

Portable Scaler Option SCALER: 4 1/2 digit LCD display with 0.25"(0.64cm) digits, overflow arrow, and colons to indicate when a count is in process RANGE: 0-19999 counts COUNT TIME: Selectable times of 0.1, 0.5, 1, 2, or 10 minutes * Existing portables with serial numbers of 69769 or greater can be modified if desired. ** Scaler modification can not be used on Model's 4 or 16, or in conjunction with overload modifications utilizing the red lamp on the meter dial.

Overload Indicator This modification senses detector saturation, and is indicated by the meter going to full scale. Portable Instrument with Light Modification - PN: 4464-130 Portable Instrument without Light Modification - PN: 4464-153   Model 177 Series Overload Modification - PN: 4347-127

Handle Light Modification OPERATION: Light operated with On/Off Push-button on top        of handle Uses an LED light source Port Rolled Handle Light Modification - PN: 4464-154

Headsets CONSTRUCTION: Molded plastic housings CONNECTOR: 1/8" mono phone plug (larger plugs, and BNC Connectors available) VOLUME: Greater than 60 dB (Large headsets are available with volume control) * Ludlum Measurements, Inc. offers the large headset pictured and a smaller lighter headset on request.

Model 196-1 Headset with Volume Control Model 196-1 Headset with Volume Control and Modification Model 196-3 Headset with BNC Connector Model 196-3 Headset with BNC Connector, Volume Control, and Modification Model 196-11 Small Headset (only) Model 196-11 Small Headset with Modification

47-2360

47-2421

47-2911

47-1246

47-2826

47-2853

Shoulder Strap Modification CONSTRUCTION: Black nylon strap with metal clips LENGTH: Adjustable from 37"(94cm) - 71"(180cm)

Part Number: 4363-413

Model 2401 Accessories

Model 2401 Carrying Case - PN: 2310517 Shown here with the Model 2401-S

Model 2401 Handle - PN: 4397-165 Shown here on the Model 2401-P

Model 2401 Belt Clip - PN: 4397-176 Shown here on the Model 2401-P

Fiberglass Telescoping Handle

4' extendable to 8' - PN: 4085-184 6' extendable to12' - PN: 4085-185

Handle clamp-attachment detail

Handle with detector attached

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