MJ RESEARCH PTC-100 PROGRAMMABLE PCR THERMAL CONTROLLER but does not stay on

but does not stay on unless the power button is continuously held down

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MJ RESEARCH PTC-100 PROGRAMMABLE PCR THERMAL CONTROLLER but does not stay onThank you for visiting Wazobia Enterprise. We sell both new and used items. Most are surplus items previously used at local university hospitals, private companies, government institutions and agencies. Customer satisfaction is our #1 priority. Please subscribe to our store for newsletters and great deals. Thank you for your time and business. MJ RESEARCH PTC 100 PROGRAMMABLE PCR THERMAL CONTROLLER Unit powers on and works, it was used previously at a