The Ludlum Model 3 - The universal survey meter.
The Ludlum Model 3 can be customized to suit any application. Universal meter body can be paired with any Ludlum probe. This meter can only be calibrated to one probe at a time.
|Indicated Use||Dependant on probe selection|
|Linearity||Reading within 10% of true value with detector connected|
|High Voltage||Adjustable from 400-1500 Vdc|
|Threshold||fixed at 40 mV to 10 mV|
|Meter||6.4 cm (2.5 in.) arc, 1 mA analog type|
|Construction||cast and drawn aluminum with beige powder coat|
|Temperature Range||-20 to 50 °C (-4 to 122 °F), may be certified for operation from -40 to 65 °C (-40 to 150 °F)|
|Power||Two "D" Cell Batteries|
|Battery Life||Typically greater than 2000 hours with alkaline batteries|
|Size||16.5 x 8.9 x 21.6 cm (6.5 x 3.5 x 8.5 in.) (H x W x L), including handle|