Get current pricing for Ch, CH-29112-ID Ch - 407g, Tenney, Model #t-20rc, 30x31x36, -70 To +170 Deg C, 230v, 1ph, 50 Amps, Otp/utp, New Wtlow #f-4 Micro-processor W/electronic Sensor . Product Category: Test/measurement, Sub Category: Environmental Chambers: