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Locator™ Cryogenic Storage System
by Thermo Fisher Scientific

Locator Rack Boxes by Thermo Scientific
Locator™ Rack and Box Systems offer a range of capacities to maximize storage efficiency
The Locator™ System indexes samples into racks and boxes for simplified sample retrieval. These units offer cost-effective, long-term cryogenic storage in a compact size that maximizes storage capacity.
  • Advanced vacuum insulation reduces liquid nitrogen loss, lowers operating costs, and offers better protection for cryogenic samples
  • Temperature stays below -180°C even with less than 2" of liquid nitrogen remaining
  • Stainless steel racks use Nalgene™ cryogenic boxes to store up to 400 2mL vials per rack
  • Racks designed for 5mL vials are available for the Locator Jr, Locator 4, and Locator 6
  • Lockable lid ensures sample security
  • The Ultrasonic Level Monitor (available for all models) provides a continuous digital LED readout and visual/audible alarms for liquid nitrogen levels
  • 1 Year Manufacturer Limited Warranty
  • 3 Year Vacuum Integrity Warranty

Locator™ Ordering Information

Locator Cryogenic Storage Systems
Thermo Scientific Part # Description Ultrasonic Level Monitor Total 2mL Vial Capacity Static
Holding Time (days)
Cat. # Price
CY50925 Locator Jr n/a 1600 70 4901-00 $ 3,523
CY509105 Included 4901-03 $ 4,218
CY50935 Locator 4 n/a 3600 112 4901-71 $ 3,865
CY509107 Included 4901-70 $ 4,755
CY50985 Locator 6 n/a 6000 185 4901-73 $ 4,612
CY509113 Included 4901-72 $ 5,554
CK50945 Locator 8 n/a 1800 185 4901-02 $ 3,865
CK509110 Included 4901-05 $ 4,627

Specifications
  Locator Jr Locator 4 Locator 6 Locator 8
LN2 Capacity 60L 111L 184L 111L
Racks per Unit 4 6 8
Box Capacity per rack 4 9 10 9
2mL Vials per Box 100 25
2mL Vial Capacity (full unit) 1600 3600 6000 1800
Static Holding Time
(Days)
70 112 185
Neck Diameter 8.5" (215mm) 6" (152mm)
Exterior Dimensions
Height x Diameter
24.5" x 22"
(622 x 558 mm)
35.5" x 22"
(902 x 558 mm)
37.5" x 26"
(953 x 660 mm)
35.5" x 22"
(902 x 558 mm)
Shipping Weight 90 lbs. (40.8 kg) 115 lbs. (52.2 kg) 160 lbs. (72.6 kg) 117 lbs. (53.1 kg)
Regulatory Listings CE

Ultrasonic Liquid Nitrogen Level Monitor

Locator Level Monitor
LED panel allows for at-a-glance readings
Thermo Scientific's Locator™ Systems can monitor liquid nitrogen levels by mounting an Ultrasonic Level Monitor on the lid of the Locator. because the device never comes into contact with the liquid nitrogen, the Locator is able to achieve further reductions in the loss of liquid nitrogen. The unit also features low-level indicator lights that activate with less than 2" of liquid nitrogen and audible alarms that activate with less than 1" of liquid nitrogen. The Ultrasonic Level Monitor can even be integrated into an existing alarm system for remote warning of system failures.
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Locator 6 by Thermo Scientific
Shown: Locator 6 model with a 6000 vial capacity
Locator Nalgene Cryogenic Vial Box
Gridded and numbered Nalgene™ cryogenic boxes allow for sample indexing

Nalgene™ Cryogenic Boxes

Boxes for Locator Jr, Locator 4, and Locator 6
Thermo Scientific Part # Description Vial Size Vials per box Cat. # Price
CS509X24 2" Box
Case of 10
1.0mL / 1.5mL 100 4901-68 $ 114
CS509X2 2" Box
Case of 40
2mL 81 4901-20 $ 388
CS509X5 2" Box
Case of 20
4901-69 $ 198
CS509X10 4" Box
5mL 4901-21 $ 28
Boxes for Locator 8
CY509X3 2" Box
Case of 80
2mL 25 4901-19 $ 498
5.0mL Vial Rack (Does not include boxes)
Thermo Scientific
Part #
  Cat. # Price
HR509X19A Locator Jr 4901-65 $ 147
HR509X20A Locator 4 4901-66 $ 185
HR509X32A-70 Locator 6 4901-67 $ 165

Vial Rack by Thermo Scientific
Each 5mL rack can hold four 81-ampule cryogenic boxes (not included)

Accessories

Cryogenic Vials
Thermo Scientific
Part #
13.5mm O.D.
Case of 500
Cat. # Price
AY509X13 1.2mL, 38.1mm H 4901-16 $ 253
AY509X14 2mL, 48.3mm H 4901-17 $ 243

Cryogenic Vials

  • Polypropylene vials outperform other vials for storage in vapor-phase liquid nitrogen
  • Deep-skirted closure allows for single-handed aseptic technique
  • Radiation-sterilized, non-cytotoxic, and non-pyrogenic
Cryogenic Vials by Thermo Scientific
Nalgene® cryogenic vials use an external thread on the vial and internal thread on the cap to guard against contamination

CryoClaw
Thermo Scientific
Part #
  Cat. # Price
AY509X18 CryoClaw Ampule Remover
41"L (1040mm)
4901-22 $ 147
AY509X19 Replacement suction cups 4901-63 $ 21

CryoClaw™ Vial Remover

  • Retrieves dislodged vials and other fallen objects from the bottom of cryogenic vessels with necks at least two inches (51mm) in diameter
CryoClaw Vial Remover by Thermo Scientific
Designed to carefully grab fallen vials from the bottom of dewars

Wheeled Accessory Cart
Thermo Scientific
Part #
5"H (127mm) Cat. # Price
AY509X9 For Locator Jr. and Locator 4 4901-13 $ 275
AY509X1 For Locator 6 4901-83 $ 264
AY509X1 For Locator 8 4901-12 $ 259

Wheeled Accessory Carts

  • Helps carefully maneuver Locator™ cryogenic storage vessels
  • 5" high, low-profile cart is also compatible with Thermo Series Liquid Nitrogen Transfer Vessels
Wheeled Accessory Carts by Thermo Scientific
Safely and efficiently relocate the Locator™ System with a custom cart
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