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Description

  * Actual range may vary depending on environment.
** Battery life is determined by sensor reporting frequency and other variables.

H2S Sensor Specifications
Maximum Overload	50 PPM
Measuring Principle	Electrochemical reaction of H2S
Resolution	± 0.1 PPM
Response Time	(t-90) < 40 seconds typical at 20°C
Stabilization Time	< 120 seconds
Long Term Drift – Zero	Zero Signal = ± 2 PPM / month
Long Term Drift – Span	Output Signal = ± 2% of reading per month
Maximum Zero Shift	< 1 ppm equivalent (-20°C to +40°C)
Weight	4.0 oz
RH Operating Range	15 to 85% RH
Measuring Range	0-50 PPM
Variation Specifications
Accuracy	+/- 0.3 ppm + 2% of current reading
ALTA AA Specifications
Battery Type	2 Replaceable AA 1.5 V Batteries
Dimension	4.375 in x 2.470 in x 1.12 in
Supply Voltage	2.0 - 3.8 V (2 x AA 1.5V Batteries or Optional Power Supply)
Battery Life	At 1 hour heartbeat setting, included AA batteries will typically last 6-8 Years. **
Max Operating Temperature Using AA Alkaline	-18°C to 55°C (0°F to 130°F)
Max Operating Temperature Using AA Lithium	-40°C to 60°C (-40°F to 140°F)
Optimal Battery Operating Temperature	+10°C to +50°C (+50°F to +122°F)
Enclosure Material	ABS
ALTA 900 MHz Specifications
Operating Frequency	900 MHz Operating Frequency
Certifications	Complies with Part 15 of the FCC Rules. (FCC ID: ZTL-G2SC1) Complies with Industry Canada standards. (IC: 9794A-G2SC1)
Device Range	Device Range Up to 1,200 ft. non-line-of-sight, wireless device range*
Security	Encrypt-RF® (Diffie-Hellman Key Exchange + AES-128 CBC)

• ALTA H2S Sensor User Guide
• ALTA H2S Sensor Data Sheet