GLA M900 Veterinary Cattle Rectal Thermometer Smaller, Lighter. Fast, Accurate Temps in 8-15 Secs. Big, Back-Lit LCD. Rechargeable. Built for Dairies & Feedlots.

★★★★★ 4.9 44 reviews

$519.99
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Management number 216248111 Release Date 2026/04/19 List Price $208.00 Model Number 216248111
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With its all-new design and advanced technology, the GLA M900 is the only livestock thermometer in its class designed specifically for use with cattle, horses, sheep, swine and small animals. GLA thermometers take rectal temperatures in as little as 8 to 15 seconds and with measuring accuracy to 1/10th of a degree. The thermometer’s precision electronics are protected by a heavy-duty, anodized aluminum case. Exterior knobs and connectors are protected by a sturdy protective bezel. GLA Thermometers feature a large, 1.5 x 1.0” backlit LCD with for easy reading in bright or dim light, peak temp hold with visual indicator, F/C switchable, automatic shut-off, continual recharging, battery voltage display; and low battery warning. Optional thermal probes are straight or angled and have a max insertion length of 2.0”, 3.0” and 4.0”, affording the perfect probe design for virtually any animal application. Probe shafts are high-grade 304 stainless-steel fitted to an anodized, metal handle. The heavy-duty coiled probe cable stretches to 6 ft. GLA probes are interchangeable, so change-outs can be made on the fly with no need for recalibration. The GLA thermometer package includes the heavy-duty M900 digital thermometer, a one thermal probe, USB wall charger and instructions. Fast, expert repair and calibration service is available. Made in USA. Ranches, dairies, cow-calf operations, feedlots, veal units, swine farms, horse farms, game preserves, zoos, universities and veterinary practices the world over depend on GLA livestock thermometers.

  • ALL NEW DESIGN FOR 2018! Get rectal temperature readings in 8 to 15 seconds, accurate to 1/10th of a degree. Choose from straight or angled probes and three different insertion lengths (2.0”, 3.0” and 4.0”) to meet your every measuring need. Probes are interchangeable; swap them out on the fly—no downtime or recalibration required! GLA thermometers are proudly built in the USA.
  • SMALLER, LIGHTER, & EASIER TO-READ: Only 9.3 ounces and 2.7” x 1.5” x 4.3” in size. Hold by hand, rest on flat surface or carry on belt with optional leather holster. Features a large, backlit LCD for easy reading in bright or dim lighting conditions. Fast-acting probe gives you accurate readings in 8-15 seconds. Optional peak-temperature mode lets you know when to max temp is reached.
  • NEW EXTENDED-LIFE LI-ION BATTERY: GLA thermometers come with a extended-life Lithium Ion 4.5V battery and standard USB 110-220 VAC, 50/60 Hz wall charger. Power-saving auto shut-off after 5/15/30/60 minutes. Peak temperature hold with visual indicator, F/C switchable, continual recharging, battery strength display; probe error and low battery warning.
  • SAME TOUGHNESS & DEPENDABLITY: Sturdy, machined aluminum case with anodized finish features EPDM seals for dependable weather and water resistance. Knobs and connectors are protected to prevent damage. Thermal probe is 304 stainless steel with anodized metal handle. Heavy-duty, coiled probe cable reaches 6 ft. WARRANTY: Thermometer 2 years, probe 1 year. Qualified repair and calibration service is available.
  • IN THE BOX: One M900 digital thermometer; one M207R thermal probe (customer-selected), one USB wall charger; instructions. Click “Add to Cart” now and start measuring livestock and companion animal rectal temps with the newest, most advanced digital thermometer available today. Your satisfaction is 100% guaranteed.
UPC 682384325117
Color Black
Model M900
Brand Name GLA
Model Name M900
Resolution 0.1
Style Name Professional/Veterinary
Unit Count 1.0 Count
Item Length 4.3 Inches
Part Number M900/ M207R 4.0
Reusability Reusable
Display Type LCD
Manufacturer GLA Agricultrual Electronics
Power Source Battery Powered
Response Time 15 seconds
Outer Material Leather
Immersion Depth 6 Feet
Specification Met FDA
Additional Features Fast Reading System
Included Components Thermometer, probe, instructions
Indoor Outdoor Usage Indoor
Age Range Description Adult
Connectivity Technology Usb
Upper Temperature Range 104 Degrees Fahrenheit
Product Care Instructions Wipe Clean

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4.9 out of 5
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44 ratings | 18 reviews
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