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ENGUARD 97D  Stand-Alone Controller With Integral Toxic Gas Sensor or Optional Remote Sensor with Cable
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Gases Detected

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Enguard 97 Stand Alone Unit

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Wiring Table

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Calibration Equipment, Replacement Parts and Accessories are available. Call us for More Information.

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ENGUARD 97D
Stand-Alone Controller
With Integral Toxic Gas Sensor or
Optional Remote Sensor with Cable

  1. Electrochemical Sensors available for Oxygen, Hydrogen and Many Toxic Gases

  2. Audio and Visual Alarms

  3. Standard with AC Line Cord

  4. Power: 85-265 Vac, 24 Vdc

  5. 4-20 mA Output Signal

  6. LCD Display of Gas Concentration in ppm, or % by Volume for Oxygen

  7. Three Factory Programmable Alarm Points

  8. 5 Vdc TTL outputs available for Auxiliary Alarm Activation from Three Factory Set Points

  9. Pushbutton Calibration

  10. IP 65, Polycarbonate Enclosure

  11. One Alarm Relay, user selectable (alarm 1, 2 or 3)

  12. Integral or Optional Remote Sensor

The ENGUARD 97D system is a self-contained single point gas monitor with an integral sensor. As an option, the instrument can be supplied with a remote sensor on a six foot cable. This unique system includes a digital display, LED visual alarms, an audio alarm, and comes standard with an AC line cord. The unit is provided with three factory programmed alarm points.


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Monitors Available for:

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Gas

Range

H2S

100 ppm

H2

2000 ppm

SO2

30.0 ppm

HCl

30.0 ppm

SiH4

30.0 ppm

NO2

30.0 ppm

AsH3

1.00 ppm

ETO

30.0 ppm

CO

500 ppm

NO

100 ppm

HF

10.1 ppm

NH3

100 ppm

Cl2

10.0 ppm

O3

1.00 ppm

O2

30.0% by V

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Note: Calibration kits are available for all gases.

 

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Specifications

Size:

8.5" h x 7.6" w x 5.0" d
(22 x 20 x 13 cm)

 

Weight:

3 lbs. (1.36 Kg)

 

Enclosure:

IP 65, Polycarbonate, Wall-mount

 

Input Power:

85-265 Vac, or 24 Vdc

 

Outputs:

4-20 mA
5 Vdc TTL outputs available for auxiliary alarm activation from three factory set points.

Relay:

Single 2 amp 120 Vac relay, at one alarm level in conjunction with horn. User selectable from three factory set alarm levels.

 

Sensor Mounting Options:
ENGUARD 97D comes standard with an integral sensor.

As an option, the sensor can be supplied with a remote sensor housing and a six foot cable.

 

 

Remote SensorRemote Sensor

Dimensions:
approx. 5" long x 1 3/4" diameter

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ENGUARD 97D Stand-Alone Unit: With Attached Sensor

Measurement in Inches

ENGUARD 97D Stand-Alone Unit: With Attached Sensor

 

 

 

 

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ENGUARD 97D Wiring Table

J3-1

J3-2

J3-3

ALARM RELAY SELECTABLE

ALARM 1,2, OR 3

2A @ 24 V DC OR 250 V AC

N.O.

N.C.

COM.

J3-4

J3-5

DC POWER

+24 V DC

DC GND

J3-6

J3-7

4-20 mA OUTPUT SIGNAL

-

+

J3-8

DC POWER FOR REMOTE ALARM

UP TO 200mA @ 24 V DC

+24 V DC

J3-9

J3-10

J3-11

5 VOLT OUTPUT, TTL

ALARM 1

ALARM 2

ALARM 3

J3-12

AC POWER FOR REMOTE ALARM

UP TO 250 V AC

AC LINE

J3-13

J3-14

J3-15

AC POWER

AC LINE

AC NEUTRAL

EARTH

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