GOSSEN METRAWATT 27M-I METRAHIT Milliohmmeter Instruction Manual

Short-form Operating Instructions

METRA HIT 27M/I, H+E CAR

3-349-208-02
5/1.22

Safety Instructions

See Standard Operating Instructions 3-349-207-02 !

Switching on/off

Battery Test

Change batteries / charge accumulators

Select Measuring Function

Measuring Range Selection

automatic → manual
! MAN ! = fast measurement

V           3 V → 30 V
30 V → 300 V
300 V → 600 V

short

Hz      300 Hz → 3 kHz

Ω         300 Ω → 3 kΩ
3 kΩ → 30 kΩ
30 kΩ → 300 kΩ
300 kΩ → 3 MΩ
3 MΩ → 30 MΩ

mΩ        30 mΩ → 300 mΩ
300 mΩ → 3 Ω
3 Ω → 30 Ω

mΩ@1A        3 mΩ → 30 mΩ
30 mΩ → 300 mΩ

manual → automatic

        long (1 s)    or

Measuring Inputs

1. Mass Input (Common Terminal)
2. Sense for 4-wire connection only with mΩ/Ω@1A
3. V; Ω; °C, MΩ,
   Measuring Input

Storage of Measured Values (DATA-Hold/-Compare)

1. current value
2. stored value

1. store
2. activated
3. reactivated

Zero balancing

V=                                       3 V DC

            short        300 Ω
Ω(2L)                                             3 kΩ

Close Probe Tips

4L:         automatic

mΩ@1A

Voltage Measurement
Frequency Measurement

V=       

Measuring Ranges:

V=: 0,1 mV … 600 V

Measuring Ranges:

V~: 0,1 mV … 600 V
Hz:  1 Hz … 3 kHz

max. 600 V (3 kHz) > 1000 V:

Resistance Measurement
Diode Testing
Continuity Testing

Measuring Range: 10 mΩ … 30 MΩ

Conducting Direction

Reverse Direction

  Continuity  R < 10 Ω

Milliohm Measurement

Measuring Ranges:

30 mΩ/300 mΩ @ 200 mA
3 Ω / 30 Ω @ 20 mA

1. Measure Thermo voltage
2. Offset TC
3. long

1. Measuring Cables: KC27 / KC4
2. Measuring Current
3. Voltage Drop

Temperature Measurement

1. Pt100
   Pt1000 (TF220)
   Ni100
   Ni1000

2. Cable Resistance

RTD|

Measuring Range

---|---
Pt 100|

–200,0 … +100,0 °C

+100,0 … +600,0 °C

Pt 1000|

–200,0 … +100,0 °C

+100,0 … +600,0 °C

Ni 100|

–60,0 … +180,0 °C

Ni 1000|

–60,0 … +180,0 °C

Insulation Resistance Measurement [MΩ] (METRA HIT 27I/H+E CAR only)

1. Continuous Meas.
2. selected Test Voltage
3. Test voltage applied as long as key is depressed
4. Measuring Voltage /Residual Voltage

Measuring Range:

Ω: 10 kΩ … 3 GΩ

© Gossen Metrawatt GmbH
Prepared in Germany • Subject to change, errors excepted • PDF version available on the Internet

All trademarks, registered trademarks, logos, product names, and company names are the property of their respective owners.

Gossen Metrawatt GmbH
Südwestpark 15
90449 Nürnberg • Germany
Telefon+49 911 8602-0
Telefax +49 911 8602-669
E-Mail   info@gossenmetrawatt.com
www.gossenmetrawatt.com

References

• GOSSEN METRAWATT, GMC-Instruments

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