Supply Voltage: 24 VAC -20%/+15% @ 5 VA, 50/60 Hz or 24 VDC -20%/+15% @ 208 mA

Signal Output: 0/4-20 mA @ 500O; 0/2-10 VDC @ 50kO

Repeatability: ±3 ppm of reading, CO: ±3 ppm of reading, NH3: 3% of reading, NO2: 2% of reading, O2: 0.1% of reading, 3000 models: ±2% of reading

Measurement Range: CO: 0-250 ppm, span field calibratable 0 to 200-300, NH3: 0-300 ppm, NO2: 0-10 ppm, O2: 0-25 %, 3000 models: 0 to 100% L.E.L.

Sensing Technology: 1000 models: Electrochemical, 3000 models: Catalytic bead

Life Expectancy: 3-5 years for 1000 models, 3 years for 3000 models

Visual Indication: On, stage status, failure

Display: 2 lines, 16 characters per line

Response Time: t90 <50 seconds

Relay Output: (1) SPDT. (1) NC-SPST or (1) NO SPST. 30 VAC/VDC @ 0.5 A, (10 ppm DIF) (10 ppm DIF)

Alarm Auditory Levels Db: 83 db @ unit

Wiring Terminations: Terminal blocks, screw type for lead wire

Operating Temperature: 14° to 122°F (-10° to 50°C)

Operating Humidity: 15 to 95%, non-condensing

Dimensions: 5.12"W x 5.12"H x 2.95"D (13 x 13 x 7.5 cm)

Weight: 0.6 lbs (0.3 Kg)

Approvals: CE, City of Los Angeles

Warranty: 1 year