Description

Monnit’s ALTA wireless dry contact sensors can be used to detect contact between two wired contact points. This sensor can be used with an external mechanical switch or a contact plate to alert the user via SMS text and/or email when the contacts touch or a switch is triggered. WARNING: Use caution when interfacing to Monnit and ALTA Dry Contact Sensors. Any external AC or DC Voltages WILL DAMAGE the electronics of the wireless sensor. Monnit is not responsible for troubleshooting, replacing or reimbursing damages incurred by disregarding this warning.

In the Box

• Wireless Sensor
• Mounting Hardware
• 2 x AA Batteries

Dry Contact Specifications
Lead Wire Length	1 ft. ( 12 in.)
Detection Wires	High Impedance
Weight	3.7 oz.
Variation Specifications
Security	Encrypt-RF® (256-bit key exchange and AES-128 CTR)
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)

Suggested Application Uses for This Sensor

• Tamper Switches
• Barn door access monitoring
• Freezer / cooler door access
• Freezer / cooler doors (to determine if they are not closed all the way)
• Convenience store cooler doors (to determine if they are not closed all the way)
• Forklift seat switches