Technical data
Digital detector  | GMS 120‑27  | 
|---|---|
Article number  | 3 601 K81 7..  | 
Max. detection depthA)  | |
  | 120 mmB)  | 
  | 100 mmC)  | 
  | 50 mmD)  | 
  | 30 mmE)  | 
Operating temperature  | –10 °C to +50 °C  | 
Storage temperature  | –20 °C to +70 °C  | 
Operating frequency range  | 50 ± 2 kHz  | 
Max. magnetic field strength (at 10 m)  | 42 dBµA/m  | 
Max. altitude  | 2000 m  | 
Relative air humidity max.  | |
  | 90 %  | 
  | 50 %  | 
Pollution degree according to IEC 61010-1  | 2F)  | 
Energy supply  | |
  | 3.7 V  | 
  | 2 × 1.5 V LR6 (AA)  | 
  | 2 × 1.2 V HR6 (AA)  | 
Operating time, approx.  | |
  | 5 h  | 
  | 6 h  | 
  | 7 h  | 
WeightG)  | 0.24 kg  | 
Dimensions (length × width × height)  | 186 × 86 × 33 mm  | 
Protection rating  | IP54  | 
Lithium-ion battery pack (accessory)  | BA 3.7V 1.0Ah A  | 
Article number  | 1 607 A35 17H  | 
Article number JP  | 1 607 A35 0N8  | 
Charging connection  | USB Type‑C®  | 
Rated voltage  | 3.7 V   | 
Capacity  | 1.0 Ah  | 
Recommended ambient temperature during charging  | +10 °C to +35 °C  | 
Recommended ambient temperature during operation and during storage  | –10 °C to +45 °C  | 
Power supply (accessory)  | |
Output voltage  | 5.0 V   | 
Minimum output current  | 500 mA  | 
- A)
 Depends on material and size of the objects, as well as material and condition of the substrate
- B)
 For a copper pipe with a 15 mm diameter
- C)
 For reinforcing steel with a 12 mm diameter
- D)
 Lower detection depth with non-live wires
- E)
 For wooden beams with a width of 54 mm, behind 30 mm thick plasterboard
- F)
 Only non-conductive deposits occur, whereby occasional temporary conductivity caused by condensation is expected.
- G)
 Weight without lithium-ion battery pack/non-rechargeable batteries/rechargeable batteries/battery compartment cover
The serial number (19) on the type plate is used to clearly identify your measuring tool.
- The accuracy and detection depth of the measuring result may be negatively affected if the condition of the substrate is unfavorable.
 
