GEHydran* M2 Transformer Gas Monitoring System Installation Guide

others designated by the Buyer where such products or services are not normally 

supplied by GE Energy.

The preceding paragraphs set forth the exclusive remedies for all claims based 

on failure of or defect in Products covered by this manual, whether the failure or 

defect arises before or during the applicable Warranty Period and whether a claim, 

however instituted, is based on contract, indemnity, warranty, tort (including 

negligence) or civil liability, strict liability or otherwise. The foregoing warranties are 

exclusive and are in lieu of all other warranties and guarantees whether written, oral, 

implied or statutory. NO IMPLIED STATUTORY WARRANTY OF MERCHANTABILITY OR 

FITNESS FOR A PARTICULAR PURPOSE SHALL APPLY.

GENERAL WARNINGS

• Mishandling of the Hydran M2 sensor (such as a 

perforation or scratch on the membrane or subjecting 

the sensor to paint or solvent) voids the warranty.

• It is recommended to read all warnings and 

considerations given in Chapter 1 of the Hydran M2 

Instruction Manual before proceeding with the 

installation.

Figure 2: Do Not Touch the Sensor’s Membrane with a Finger or an Object

Hydran* M2 Installation Guide

Hydran* M2 Installation Guide

16375 v9.0 Oct 12

For a typical transformer, the four most common locations to install the Hydran 

M2 are shown in Figure 10. For details, refer to Table 1 overleaf.

If these typical locations cannot be used, contact the GE 

Energy Customer Service for help to determine an 

acceptable alternative location.

• ELECTRICAL SHOCK HAZARD! Turn off the electric power at 

the fuse box or service panel before making any electrical 

connections, and ensure a proper ground connection is 

made before connecting line voltage. Failure to do so can 

result in property damage, personal injury and/or death.