OVERVIEW:

---

CT31TH is a FULL TIME multi-function, environmental monitoring, hygrometer system. It measures humidity, temperature, and dew point. It also includes audible buzzer alarm function to notify users when humidity or temperature limits have been exceeded. Large LCD provides an easy-to-read interface. Place standing on a desk, or mount to a wall. The CT31TH has a detachable probe that can be connect to a extension cable for critical sensor placement.

FEATURES:

---

• NIST Traceable
• Large, Easy—To-Read LCD Display
• LCD displays Humidity and Temperature.
• 3%RH Humidity Accuracy.
• Min / Max Value Monitor.
• Audible & Visual Alarms With Set Points
• Desk or Wall Mount
• On-Site Calibration (with optional extension cable & standard calibration cell)

SPECIFICATIONS:

---

Range	Temperature: -20/60°C (-4/140°F) Humidity: 0% to 100%RH
Accuracy	Temperature: ±0.8°C (±1.5°F) Humidity: ±3.0%RH
Dew Point Temperature	-20 to 60°C (-4 To 140°F)
Resolution	0.1° C&F 0.1% RH
Sampling Rate	20 sec.
Operation Conditions	0° to 40°C (32 to 104°F)
Humidity Sensor	Electronic capacitance polymer film sensor.
Power	1 x 1.5v AAA size battery
Dimensions	140(L) x 105(W) x 26(D) mm (8.50” x 2.63” x 1.75”)
Weight	Approx. 265g
Included with Unit	Batteries & Instruction Manual

ACCESSORIES:

---

CTRP32	Extension Cable For RH Measurement & On-Site Calibration
CT33CELL	Humidity Calibration Cell — 33% RH
CT75CELL	Humidity Calibration Cell — 75% RH