Alarms

Audible

Powerful horn, 103 dB at 10 feet

Visual

Super bright, top mount strobe

Alarm Settings

Two fully programmable alarm set points, increasing / decreasing, latching / 
self-resetting, on delays, off delays, normally energized or de-energized

Alarm Indication

Visual LEDs. Alarm 1, Amber; Alarm 2, Red; Fail, Red Horn/strobe = alarm 1

Relays

5 amp form ‘C’ contacts for alarm 2, and fail

Physical

Dimensions

Height: 8.5” (215 mm), Width: 5.2” (132 mm), Depth: 4.5” (114 mm) (Transmitter only)

Enclosure Rating

NEMA 4X, explosion proof, watertight, cast aluminum with o-ring seal and epoxy powder coating

Power

12 VDC (user supplied)

Display

Alphanumeric display with backlighting. 8 characters per line; 2 lines for gas
concentration readout, plus user-friendly calibration and setup

Controls

Magnet used for calibration functions. Calibrates without opening the housing.
Internal push-button controls also available for calibration and setup

Operating Environment

Operating Temperature

-4°F to 122°F (-20°C to 50°C)

Relative Humidity

5 – 95% RH non-condensing

Order Number

65-2625RK-HR

Controller Specifications

Alarms

Audible

Powerful horn, 103 dB at 10 feet

Visual

Super bright, top mount strobe

Alarm Settings

Two fully programmable alarm set points, increasing / decreasing, latching / 
self-resetting, on delays, off delays, normally energized or de-energized

Alarm Indication

Visual LEDs. Alarm 1, Amber; Alarm 2, Red; Fail, Red Horn/strobe = alarm 1

Relays

5 amp form ‘C’ contacts for alarm 2, and fail

Physical

Dimensions

Height: 8.5” (216 mm) Width: 7.0” (178 mm) Depth: 4.3” (109 mm) (Controller only)

Enclosure

Wall mounting grey fiberglass with hinged cover

Power

12 VDC (user supplied)

Display

2 x 8 Alphanumeric display with backlighting

Controls

3 internal push buttons for setup, programming, and calibration. 1 external push button for alarm reset.

Operating Environment

Operating Temperature

-4°F to 122°F (-20°C to 50°C)

Relative Humidity

0 – 95% RH (non-condensing)

Enclosure Rating

NEMA-4X enclosure, chemical, and weather resistant

Order Number

72-2110RK-HR

Controller Specification

Alarms

Audible

Powerful horn, 103 dB at 10 feet

Visual

Super bright, top mount strobe

Alarm Settings

Two fully programmable alarm set points, increasing / decreasing, latching / 
self-resetting, on delays, off delays, normally energized or de-energized

Alarm Indication

Visual LEDs. Alarm 1, Amber; Alarm 2, Red; Fail, Red Horn/strobe = alarm 1

Relays

Low and high for each sensor, common for alarm 2 and fail. 5 amp form ‘C’ contacts

Physical

Dimensions

Height: 10.5” (267 mm) x Width: 8.5” (216 mm) x Depth: 6.3” (158 mm) (Controller only)

Enclosure

Wall mounting grey polycarbonate with hinged cover

Power

12 VDC (user supplied)

Display

Alphanumeric display with backlighting. 20 characters per line; 4 lines each

Controls

4 internal push buttons for setup, programming, and calibration. 1 external push button for alarm reset

Operating Environment

Operating Temperature

-4°F to 122°F (-10°C to 50°C)

Relative Humidity

5 – 95% RH (non-condensing) 80% max for CSA

Enclosure Rating

NEMA-4X enclosure, waterproof, chemical, and weather resistant

Order Number

72-2102RK-HR

Sensor Specification

Sensor

Electrochemical

Measuring Ranges

0 – 100 ppm H2S

Resolution

1 ppm

Lower Detectable Limit (LDL)

2% of full scale

Response Time (T-90)

35 Seconds or less

Life Expectancy

2 to 3 years with normal service

Accuracy

± 5% of reading or ± 2 ppm H2S
(whichever is greater)

Weather Resistant

Patented water repellent sensor coating