| Technical Data |
Gases Depending on transmitter: Combustible / explosive Toxic gases and vapors Oxygen | Relay outputs 4 voltage-free relays for alarm and fault Normally closed contact (NC) Normally open contact (NO) Load: 250 V AC, 4 A |
Detection range Depending on requirements: % LEL, % Volume, ppm | Display 3-digit LED display 1 LED green Operational status 1 LED yellow Fault 3 LEDs red Alarm |
Temperature range -4 to +122 °F (-20 to +50 °C) |
Power source 120 V AC / 60 Hz | Function keys Push-button operation for alarm points, calibration, function test, and relay test |
Input signal 4 to 20 mA | Models 4100-single channel 4400-one to four channels |
Output signal Linear 4 to 20 mA (4100) | Power supply module 24 V DC / 24 V AC - 4400 24 V DC - 4100 |
Alarms 3 adjustable alarm points 1 fault alarm | Dimensions 12x12x3.5 inches (304.8x304.8x88.9 mm) (HxWxD) |
Alarm functions Exceeding / declining Latching / non-latching Re-settable / nonresettable Hysteresis adjustable Delay-time 0 to 2 minutes Alarm thresholds completely adjustable Alarm allocation (4400) | |