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A-1 HumiSense™ Temperature and Humidity Probe

A-1 HumiSense™ Temperature and Humidity Probe compatible with OmniSense S-2 sensors. Miniature 3/16" (5mm) diameter probe cabled to a 3.5mm TRRS audio plug, ±0.3°C/±2.0%RH
From $29.95

Battery, Lithium 3.6 Volt ER14505

Long life Lithium Thionyl Chloride Battery, AA Size, ER14505. Most of our sensors use this battery. Use caution in buying these from local suppliers as they do not sell very many and their inventory may be old. While this battery has a very long (15-20 year) shelf life the issue is that it "hibernates" if it is not in use. Once it hibernates you have to wake it up before it can deliver sufficient current to properly power our sensors. To wake the battery up connect it to an ammeter and draw at least 100 mA, or in a pinch you can insert it into our sensor reverse polarity (aka backwards) for 10 seconds which forces the high current draw needed to wake the battery. We use a lot of these batteries so our stock is always fresh.
From $4.99

A-2 Moisture Probe

A-2 Moisture Probe, 2 meter cable with S-2 compatible plug in terminal block on one end and ring terminals on the other.
From $7.37

gateway antenna, 2dbi dipole, RP-SMA connector

gateway antenna, 2dbi dipole, RP-SMA connector
$10.00

80 Amp Split-Core Current Transformer

80 Amp Split-Core Current Transformer with 0.0-0.333 Vrms output
$30.00

Mounting Screws for S-1 , S-10, S-11, S-16 and S-160 sensors

#12 x 2" 18-8 stainless steel mounting screws for S-1, S-10, S-11, S-16 and S-160 sensors includes screws and 18-8 stainless split washers. One pack includes 2 screws and 2 washers.
From $0.85

OmniSense Wireless Range Tester

OmniSense Wireless Range Tester
$149.95

Power Supply 3.3 VDC

power supply used with G-900-2 series gateways, GE HygroTrac gateways, and OmniSense S-19 CO2 sensors.
$12.95

Power Supply 5.0 VDC USB Supply for G-3 series

power supply used with G-3 series gateways.
$12.95

S-1, BLD9050 sensor replacement battery lid

S-1, BLD9050 sensor replacement battery lid
$1.00

HumiSense Probe rubber stopper

Used for ASTM F2170 for Determining Relative Humidity in Concrete Floor Slabs Using in situ A-1 HumiSense Probes. Come in packs of 50. OD At Small End 13/32" At Large End 19/32"
From $39.95

Concrete Sleeve for HumiSense A-1 probe

Concrete Sleeve. 12" L x 0.442" OD x 3/16" ID, used with A-1 probes for ASTM F2170 type concrete RH readings.
From $11.98