Technical data

Digital detector

GMS 120‑27

Article number

‎3 601 K81 7..‎‎‎‎

Max. detection depthA)

  • Non-ferrous metals (copper)

120 mmB)

  • Ferrous metals

100 mmC)

  • Live wires 100–230 V (with voltage applied)

50 mmD)

  • Wooden beams in dry walls

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.

  • For detecting objects

90 %

  • For classifying live cables

50 %

Pollution degree according to IEC 61010-1

2F)

Energy supply

  • Lithium-ion battery pack

3.7 V

  • Non-rechargeable batteries (alkaline manganese)

2 × 1.5 V LR6 (AA)

  • Rechargeable batteries (NiMH)

2 × 1.2 V HR6 (AA)

Operating time, approx.

  • With lithium-ion battery pack

5 h

  • With non-rechargeable batteries (alkaline manganese)

6 h

  • With rechargeable batteries (NiMH)

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 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

Recommended power supplyH)

  • EU

2 609 120 713

  • UK

2 609 120 718

  • ARG

1 600 A01 3A0

  • MEX

1 600 A01 3A1

  • BRA

1 600 A01 3A2

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

H)

For additional technical data, visit: https://www.bosch-professional.com/ecodesign

The serial number (19) on the type plate is used to clearly identify your measuring tool.