4272 Traceable^® Ultra™ Flip-Stick™ Thermometer New flip-to-open design is easy to use. Stainless-steel probe may be positioned at any angle. Fold-up, protected probe permits carrying on the wrist strap or in a pocket.  Big-digit, ¾” high display may be viewed at a glance.  Shockproof in drop tests up to 5′. Reading is updated every second Features include:

• °F/°C switch, minimum and maximum memory readings over any time period
• HOLD switch (freezes the display to capture a temperature)
• Wide range covers 99 percent of routine temperature measurements in °F and °C
• –58 to 572°F and –50 to 300°C
• Resolution is 0.1° from –20 to 200° (1° outside this range)
• Accuracy is ±0.3°C at tested points
• Model 4372 accuracy is ±1°C between –20 and 100°C

Traceable to NIST for accuracy To assure accuracy an individually serial-numbered Traceable^® Certificate is provided from our ISO 17025 calibration laboratory accredited by A2LA.  It indicates traceability to standards provided by NIST (National Institute of Standards and Technology). Dimensions:

• Size: stem length, 4½”; stem diameter, 0.14 inch; an extended length of 11″,
  6″ folded length, width of 5/8″ and 1½” height
• Weight is 2 3/8 ounces

Replacement battery Cat. No. 1105 4372 model does not meet ASTM and FDOT requirements for field testing concrete, the 4272 model does.