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Electric Swichgage® instruments

The EG21 Series Electric Gage and the EGS21 Series Swichgage instruments take the electric gage to new heights with proven state of the art technology and reliability.

The EGS21 Series Swichgage instrument has all of the features of the EG21 Series Gage plus an adjustable set point PowerHall® Effect switch output for operating alarms or equipment shutdown. The trip point is adjustable over 90% of the scale and has a set point indicator visible from the gage face. Designed for use with electric Swichgage instruments, the EN204 Series Tattletale Annunciator works with other engine components to clearly indicate critical engine operating conditions. The four bright LEDs on the face of the annunciator indicate the cause of an alarm or shut-down condition. Enovation Controls also offers a range of senders designed to be used in conjunction with our EG Series Swichgage Instruments as well as CAN I/O modules.

EG series
EN204 series
Electric gauge senders
Specifications Downloads
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Specifications Drawer: 
  • EG/EGS Series
    • Power Input: For Gage, Swichgage instrument and sender, 12 VDC or 24 VDC
      • NOTE: EG21 Series gage and EGS21 Series Swichgage instrument MOVEMENT and ILLUMINATION require 12 VDC to function. For 24-volt systems, voltage converters are built into the electrical wire/connector assembly and supplied with instrument. Specify voltage when ordering.
    • Case: Polyester (PBT), impact and weather resistant with convenient screw-on mounting clamp
    • Bezel: Polished 316 stainless steel bezel is supplied as standard; Available in black. SAE style optional.
    • Lens: Clear polycarbonate and UV stabilized
    • Air Core Movement: Silicon dampened pointer
    • Dial: Black background and white markings; behind dial lighting (white marking becomes red when illuminated); dual scale with mirror band to reduce parallax reading errors
    • Swichgage Instrument Sensor: Outputs ground signal (sinking output) rated 300 mA continuous (EGS21 Series only). Pressure, fuel, volts set on decreasing scale. Temperature and amps set on increasing scale.
    • Output saturation voltage (voltage drop across switch): 1.3-2.3 Volts @ 77°F (25°C) (May require some conditioning to work with logic inputs)
    • Swichgage Instrument Set Point Indicator: Visible on mirror band (scale); adjustable from the back of the unit (1/16 in. hex type wrench)
    • Wiring: Plug connector with wire leads, 18 AWG (1.0 mm2) x 8 in. (203 mm) length
    • Operating Temperature: -40° to 185°F (-40° to 85°C)
    • Storage Temperature: -77° to 185°F (-60° to 85°C)
    • Over Voltage (Gage Movement): Withstands a voltage of 200% of nominal system voltage for 5 minutes. (Meets SAE J1810 standards)
    • Reversed Polarity (Gage Movement): Withstands reversed battery terminal polarity indefinitely within operating temperatures
    • Environment and Test: Meets SAE J1810 standards
  • EN204 Series
    • Operating Voltage: 12 VDC (10 V min. - 16 V max.).
    • Current: 0.020 A to 0.025 A per LED.
    • Output: Sink 0.275 A.
    • Output Saturation Voltage: .7-1.1 V @ 25°C.
    • Case and Screw-on Mounting Clamp: Polyester (PBT).
    • Bezel: Bright stainless steel.
    • Lens: Clear Polycarbonate, UV stabilized.
    • Dial: Black background and white markings with four (4) Red LED indicators.
    • Wiring: Plug connector with wire leads, 18 AWG (1.0 mm2) x 8 in. (203 mm) long.
    • Operating Temperature: -40 to 185°F (-40 to +85°C).
    • Storage Temperature: -76 to 185°F (-60 to 85°C).
    • Shipping Weight: 0.5 lb. (226 g).
    • Shipping Dimensions: 8 x 4 x 4-1/2 in. (203 x 102 x 114 mm).
  • Electric Gauge Senders
    • Fuel Senders
      • Tank Cutout Hole: Ø 1.750 in. (44 mm)
      • Materials:
      • Float: Foamed Buna N
      • Float Arm: Stainless Steel
      • Resistor Housing: Glass Filled Polyacetal
      • Flange & Shaft: Steel, Zinc-Plated
      • Gaskets: Buna N, 70 Durometer (48% Acrylonitrile)
      • Hardware: Brass & Phosphor Bronze
      • Mounting Hardware: Zinc-Plated Steel
      • Resistance Range:
        • ESF and ES2F Model: 240 Ohms to 33 Ohms
        • ESDF Model: 120 ohms to 17 ohms
      • Operating Temperature: -40° to 185°F (-40° to 85°C)
      • Storage Temperature: -76° to 185°F (-60° to 85°C)
    • Temperature Senders
      • Housing Material: Brass
      • Temperature Range: 100º-250ºF (40º-120ºC) or 140º-300ºF (60º-150ºC)
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The EG21 Series Electric Gage and the EGS21 Series Swichgage instruments take the electric gage to new heights with proven state of the art technology and reliability.

The EGS21 Series Swichgage instrument has all of the features of the EG21 Series Gage plus an adjustable set point PowerHall® Effect switch output for operating alarms or equipment shutdown. The trip point is adjustable over 90% of the scale and has a set point indicator visible from the gage face. Designed for use with electric Swichgage instruments, the EN204 Series Tattletale Annunciator works with other engine components to clearly indicate critical engine operating conditions. The four bright LEDs on the face of the annunciator indicate the cause of an alarm or shut-down condition. Enovation Controls also offers a range of senders designed to be used in conjunction with our EG Series Swichgage Instruments as well as CAN I/O modules.

[summary] => [format] => ckeditor [safe_value] =>

The EG21 Series Electric Gage and the EGS21 Series Swichgage instruments take the electric gage to new heights with proven state of the art technology and reliability.

The EGS21 Series Swichgage instrument has all of the features of the EG21 Series Gage plus an adjustable set point PowerHall® Effect switch output for operating alarms or equipment shutdown. The trip point is adjustable over 90% of the scale and has a set point indicator visible from the gage face. Designed for use with electric Swichgage instruments, the EN204 Series Tattletale Annunciator works with other engine components to clearly indicate critical engine operating conditions. The four bright LEDs on the face of the annunciator indicate the cause of an alarm or shut-down condition. Enovation Controls also offers a range of senders designed to be used in conjunction with our EG Series Swichgage Instruments as well as CAN I/O modules.

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  • EG/EGS Series
    • Power Input: For Gage, Swichgage instrument and sender, 12 VDC or 24 VDC
      • NOTE: EG21 Series gage and EGS21 Series Swichgage instrument MOVEMENT and ILLUMINATION require 12 VDC to function. For 24-volt systems, voltage converters are built into the electrical wire/connector assembly and supplied with instrument. Specify voltage when ordering.
    • Case: Polyester (PBT), impact and weather resistant with convenient screw-on mounting clamp
    • Bezel: Polished 316 stainless steel bezel is supplied as standard; Available in black. SAE style optional.
    • Lens: Clear polycarbonate and UV stabilized
    • Air Core Movement: Silicon dampened pointer
    • Dial: Black background and white markings; behind dial lighting (white marking becomes red when illuminated); dual scale with mirror band to reduce parallax reading errors
    • Swichgage Instrument Sensor: Outputs ground signal (sinking output) rated 300 mA continuous (EGS21 Series only). Pressure, fuel, volts set on decreasing scale. Temperature and amps set on increasing scale.
    • Output saturation voltage (voltage drop across switch): 1.3-2.3 Volts @ 77°F (25°C) (May require some conditioning to work with logic inputs)
    • Swichgage Instrument Set Point Indicator: Visible on mirror band (scale); adjustable from the back of the unit (1/16 in. hex type wrench)
    • Wiring: Plug connector with wire leads, 18 AWG (1.0 mm2) x 8 in. (203 mm) length
    • Operating Temperature: -40° to 185°F (-40° to 85°C)
    • Storage Temperature: -77° to 185°F (-60° to 85°C)
    • Over Voltage (Gage Movement): Withstands a voltage of 200% of nominal system voltage for 5 minutes. (Meets SAE J1810 standards)
    • Reversed Polarity (Gage Movement): Withstands reversed battery terminal polarity indefinitely within operating temperatures
    • Environment and Test: Meets SAE J1810 standards
  • EN204 Series
    • Operating Voltage: 12 VDC (10 V min. - 16 V max.).
    • Current: 0.020 A to 0.025 A per LED.
    • Output: Sink 0.275 A.
    • Output Saturation Voltage: .7-1.1 V @ 25°C.
    • Case and Screw-on Mounting Clamp: Polyester (PBT).
    • Bezel: Bright stainless steel.
    • Lens: Clear Polycarbonate, UV stabilized.
    • Dial: Black background and white markings with four (4) Red LED indicators.
    • Wiring: Plug connector with wire leads, 18 AWG (1.0 mm2) x 8 in. (203 mm) long.
    • Operating Temperature: -40 to 185°F (-40 to +85°C).
    • Storage Temperature: -76 to 185°F (-60 to 85°C).
    • Shipping Weight: 0.5 lb. (226 g).
    • Shipping Dimensions: 8 x 4 x 4-1/2 in. (203 x 102 x 114 mm).
  • Electric Gauge Senders
    • Fuel Senders
      • Tank Cutout Hole: Ø 1.750 in. (44 mm)
      • Materials:
      • Float: Foamed Buna N
      • Float Arm: Stainless Steel
      • Resistor Housing: Glass Filled Polyacetal
      • Flange & Shaft: Steel, Zinc-Plated
      • Gaskets: Buna N, 70 Durometer (48% Acrylonitrile)
      • Hardware: Brass & Phosphor Bronze
      • Mounting Hardware: Zinc-Plated Steel
      • Resistance Range:
        • ESF and ES2F Model: 240 Ohms to 33 Ohms
        • ESDF Model: 120 ohms to 17 ohms
      • Operating Temperature: -40° to 185°F (-40° to 85°C)
      • Storage Temperature: -76° to 185°F (-60° to 85°C)
    • Temperature Senders
      • Housing Material: Brass
      • Temperature Range: 100º-250ºF (40º-120ºC) or 140º-300ºF (60º-150ºC)
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  • EG/EGS Series
    • Power Input: For Gage, Swichgage instrument and sender, 12 VDC or 24 VDC
      • NOTE: EG21 Series gage and EGS21 Series Swichgage instrument MOVEMENT and ILLUMINATION require 12 VDC to function. For 24-volt systems, voltage converters are built into the electrical wire/connector assembly and supplied with instrument. Specify voltage when ordering.
    • Case: Polyester (PBT), impact and weather resistant with convenient screw-on mounting clamp
    • Bezel: Polished 316 stainless steel bezel is supplied as standard; Available in black. SAE style optional.
    • Lens: Clear polycarbonate and UV stabilized
    • Air Core Movement: Silicon dampened pointer
    • Dial: Black background and white markings; behind dial lighting (white marking becomes red when illuminated); dual scale with mirror band to reduce parallax reading errors
    • Swichgage Instrument Sensor: Outputs ground signal (sinking output) rated 300 mA continuous (EGS21 Series only). Pressure, fuel, volts set on decreasing scale. Temperature and amps set on increasing scale.
    • Output saturation voltage (voltage drop across switch): 1.3-2.3 Volts @ 77°F (25°C) (May require some conditioning to work with logic inputs)
    • Swichgage Instrument Set Point Indicator: Visible on mirror band (scale); adjustable from the back of the unit (1/16 in. hex type wrench)
    • Wiring: Plug connector with wire leads, 18 AWG (1.0 mm2) x 8 in. (203 mm) length
    • Operating Temperature: -40° to 185°F (-40° to 85°C)
    • Storage Temperature: -77° to 185°F (-60° to 85°C)
    • Over Voltage (Gage Movement): Withstands a voltage of 200% of nominal system voltage for 5 minutes. (Meets SAE J1810 standards)
    • Reversed Polarity (Gage Movement): Withstands reversed battery terminal polarity indefinitely within operating temperatures
    • Environment and Test: Meets SAE J1810 standards
  • EN204 Series
    • Operating Voltage: 12 VDC (10 V min. - 16 V max.).
    • Current: 0.020 A to 0.025 A per LED.
    • Output: Sink 0.275 A.
    • Output Saturation Voltage: .7-1.1 V @ 25°C.
    • Case and Screw-on Mounting Clamp: Polyester (PBT).
    • Bezel: Bright stainless steel.
    • Lens: Clear Polycarbonate, UV stabilized.
    • Dial: Black background and white markings with four (4) Red LED indicators.
    • Wiring: Plug connector with wire leads, 18 AWG (1.0 mm2) x 8 in. (203 mm) long.
    • Operating Temperature: -40 to 185°F (-40 to +85°C).
    • Storage Temperature: -76 to 185°F (-60 to 85°C).
    • Shipping Weight: 0.5 lb. (226 g).
    • Shipping Dimensions: 8 x 4 x 4-1/2 in. (203 x 102 x 114 mm).
  • Electric Gauge Senders
    • Fuel Senders
      • Tank Cutout Hole: Ø 1.750 in. (44 mm)
      • Materials:
      • Float: Foamed Buna N
      • Float Arm: Stainless Steel
      • Resistor Housing: Glass Filled Polyacetal
      • Flange & Shaft: Steel, Zinc-Plated
      • Gaskets: Buna N, 70 Durometer (48% Acrylonitrile)
      • Hardware: Brass & Phosphor Bronze
      • Mounting Hardware: Zinc-Plated Steel
      • Resistance Range:
        • ESF and ES2F Model: 240 Ohms to 33 Ohms
        • ESDF Model: 120 ohms to 17 ohms
      • Operating Temperature: -40° to 185°F (-40° to 85°C)
      • Storage Temperature: -76° to 185°F (-60° to 85°C)
    • Temperature Senders
      • Housing Material: Brass
      • Temperature Range: 100º-250ºF (40º-120ºC) or 140º-300ºF (60º-150ºC)
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