To search products by model number, enter "m..."
(Ex: Enter "m3" to search for Model 3.)
Unsure about which instrument is best for your application?
Find your region's Ludlum representative or dealer.
OR
Contact Ludlum Sales:
(800) 622-0828 (USA Toll Free)
(325) 235-5494
All our instruments and detectors come standard with series "C" connectors. However, other connectors are available if specifically requested when ordering your instrument. View a list of common connectors.
| Image | Product | |||
|---|---|---|---|---|
| Model 44-7 | End Window GM |
6 cm2 (0.93 in2) |
2100 cpm per mR/hr (137Cs) |
|
| Model 44-9 | Pancake GM |
15.5 cm2 (2.4 in2) |
3300 cpm per mR/hr (137Cs) |
|
| Model 44-9DOSE | Pancake GM |
15.5 cm2 (2.4 in2) |
3300 cpm per mR/hr (137Cs) |
|
| Model 44-9-18 | Pancake GM |
15.5 cm2 (2.4 in2) |
3300 cpm per mR/hr (137Cs) |
|
| Model 44-40 Series | Pancake GM
With Lead Shielding |
15.5 cm2 (2.4 in2) |
3300 cpm per mR/hr (137Cs) |
|
| Model 44-88 | Pancake GM |
15 cm2 (2.3 in2) |
3300 cpm per mR/hr (137Cs) |
|
| Model 44-89 | 4 Pancake GMs |
62 cm2 (9.6 in2) |
13,200 cpm per mR/hr (137Cs) |
|
| Model 44-94 | 4 Pancake GMs |
62 cm2 (9.6 in2) |
13,200 cpm per mR/hr (137Cs) |
|
| Model 44-25 | 2 Pancake GMs
Hand Monitor Detector |
31 cm2 (4.8 in2) |
6600 cpm per mR/hr (137Cs) |
|
| Model 44-26 | 3 Pancake GMs
Foot Monitor Detector |
46 cm2 (7.1 in2) |
9900 cpm per mR/hr (137Cs) |
|
The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc and any use of such marks by Ludlum Measurements, Inc. is under license. Other trademarks and trade names are those of their respective owners.
© 2026 Ludlum Measurements, Inc.