GE Hydran 201 i Instruction Manual page 246

Appendix A • Technical Specifications for the Hydran 201i System
Display Backlit liquid crystal display (LCD); 2 lines x 16 characters
Keypad 6 keys: ENTER, UP, DOWN, CHANGE, ESC and END
Alarm Contacts • Gas High, gas High-High and Fail
Analog Output Isolated 4–20 mA; 0–2,000 ppm range; isolation 2,000 V RMS; 10 V load
MISCELLANEOUS
Enclosure Type NEMA 4X; white, cylindrical aluminum housing; 186 mm (7.3 in)
Electronic Modules Totally-encased CPU and I/O modules
Enclosure
Heating/Cooling
Brass Adaptor With 1.5-in male NPT threads (standard); mounting on transformer valve;
Temperatures • Oil at the valve: -40 to +90 °C (-40 to +194 °F)
Oil Pressure Vacuum-resistant sensor; withstands 0–700 kPa (0–100 psi)
Power Supply • Rated voltage: 90–132 Vac or 180–264 Vac, 47–63 Hz
Standards Met • CISPR 11: Measurement of radiated and conducted emissions
Safety Conditions Designed to be safe at least under the following conditions:
A-2
• One NO and one NC contacts (type C) per alarm
• 1,250 VA @ 240 Vac; rated current: 5 A

maximum; 500 @ 20 mA
diameter x 180 mm (7 1/8 in)
325-W heating plate; convection cooling; maintain unit between 15 and
65 °C (59 and 149 °F)
other dimensions are available
• With finned, high-temperature adaptor (1.5-in male threads only) for oil
temperatures up to 105 °C (221 °F)
• Ambient: -40 to +55 °C (-40 to +131 °F)
• Storage: 5–45 °C (41–113 °F)
Note: At low temperatures, the LCD display might not be legible, but all other
functionalities are fully operational.
• Rated power: 475 VA maximum
• IEC 60068-2-1: Environmental testing at cold temperature
• IEC 60068-2-2: Environmental testing at dry heat temperature
• IEC 60255-5: Insulation coordination for measuring relays and protection
equipment
• EN 61000-4-2: ESD immunity
• EN 61000-4-3: Radiated electromagnetic field immunity – radio
frequencies
• EN 61000-4-4: Electrical fast transient/burst immunity
• EN 61000-4-5: Surge immunity
• EN 61000-4-6: Immunity to conducted disturbance induced by radio-
frequency fields
• EN 61000-4-8: Power frequency magnetic field immunity
• EN 61000-4-11: Voltage dips, short interruptions and voltage variations
immunity (applicable for ac power supply only)
• EN 61010-1: Product safety
• Altitude up to 2,000 m
• Enclosure at temperatures ranging from -40 to +55 °C (-40 to +131 °F)
and at relative humidities of 95 % or less
Rev. 6, March 2011 Part 17997