Comark-Fluke

Comark Instruments RF312-TP Diligence WiFi Temperature Data Logger with Thermistor Probe

Regular price $249.00 Sale price$332.00you save $83.00
Key Features:
  • Wide Temperature Measurement Range: Monitors temperatures from -40 to +257°F / -40 to +125°C, making it suitable for freezers, refrigerators, and ambient food storage environments.
  • WiFi Connectivity via Existing Network: IEEE 802.11b/g/n compliant with support for WEP, WPA/WPA2, and enterprise network encryption (MS-CHAPv2, PEAP, EAP-FAST, EAP-TTLS) - no proprietary gateway required.
  • Cloud-Based Data Management: Automatically transmits logged data to Comark's cloud service, accessible from any computer, smartphone, or tablet for remote monitoring and record-keeping.
  • Removable Thermistor Probe with 1.0m (39") Cable: Enables flexible external air or product temperature monitoring in hard-to-reach locations such as walk-in coolers and freezers.
  • Configurable Logging and Transmission Intervals: Logging rate is user-adjustable from 10 seconds to 12 hours; transmission rate is configurable from 1 minute to 12 hours to suit operational needs.
  • Built-In Memory with Offline Backlogging: Internal memory retains all collected data during WiFi interruptions, automatically syncing records once connectivity is restored - no data gaps in your temperature logs.
  • Rechargeable Lithium Polymer Battery: Typically provides 3 to 6 months of battery life; charges via micro USB (unit must be between 32 to 104°F / 0 to 40°C during charging).
  • Fully Featured LCD Display with Single-Button Operation: Large, easy-to-read display shows current temperature readings along with battery status and WiFi connection indicators.
  • Configurable Alarm Notifications: Triggers audible alarms, email alerts, or SMS messages when temperatures deviate from user-defined thresholds - critical for HACCP compliance and food safety protocols.
  • System Accuracy: ±0.8°C (±1.5°F) in the -15 to +70°C / +5 to +158°F range, with 0.1° internal resolution for precise monitoring.
  • Includes All Necessary Mounting Hardware: Supplied with a removable thermistor probe, 1.0m cable, micro USB charging lead, and wall-mount bracket for quick installation in commercial kitchen or storage environments.
  • Easy Initial Setup via Free PC Software: Configure the logger using Comark's free, easy-to-use PC software application before deployment.
This product is not available for pickup at any store

Detailed Description
The Comark Instruments RF312-TP Diligence WiFi Temperature Data Logger is a professional-grade monitoring solution built for food service operators who need reliable, automated temperature compliance tracking. Equipped with a removable thermistor probe on a 1-meter cable, it accurately measures air or product temperatures across a wide range of -40 to +257°F and transmits data wirelessly via your existing WiFi network to Comark's cloud service for remote access on any device. The built-in fully featured LCD display provides at-a-glance readings, while onboard memory ensures no data is lost during brief WiFi interruptions. Configurable logging intervals from 10 seconds to 12 hours, combined with customizable alerts via audible alarm, email, or SMS, make this logger a versatile and dependable choice for refrigerator, freezer, and product temperature monitoring.
Product Details
Wide Temperature Range
Measures from -40 to +257°F / -40 to +125°C with a removable thermistor probe for air or product monitoring.
Configurable Logging Intervals
Set logging rates from 10 seconds to 12 hours and transmission rates from 1 minute to 12 hours to suit your monitoring needs.
Reliable Data Protection
Built-in memory stores all logged data even if WiFi is temporarily disconnected, keeping records complete and uninterrupted.
Comark RF312-TP WiFi temperature data logger with LCD display showing 3.6°C and attached thermistor probe

Wireless Temperature Monitoring Made Simple

The Comark RF312-TP Diligence WiFi Temperature Data Logger combines a large, easy-to-read LCD display with a removable 1.0m thermistor probe to capture accurate air or product temperatures in fridges, freezers, and storage areas. Data is transmitted wirelessly over your existing WiFi network directly to Comark's cloud service, accessible from any computer, smartphone, or tablet.

  • Full-range accuracy of ±1.5°C / ±3.0°F; ±0.8°C / ±1.5°F in the -15 to +70°C range
  • Single-button operation for fast, straightforward use
  • Visual indicators for battery level and WiFi connection status
  • Includes thermistor probe, micro USB charging cable, and wall bracket
Comark Cloud dashboard interface displaying device status, temperature readings, alarms, and escalated alarm summaries

Centralized Cloud Monitoring Dashboard

The Comark Cloud dashboard gives you a real-time overview of all connected devices, alarm states, and temperature readings in one place. Set up configurable high/low temperature alarms that can trigger an audible alert or send email and SMS notifications the moment a deviation is detected.

  • Review historical logs and trends from any internet-connected device
  • Configurable alarm thresholds with email and SMS alert options
  • Initial logger setup via free, easy-to-use PC software application
  • IEEE 802.11b/g/n compliant; supports WEP, WPA/WPA2 and enterprise networks

Key Specifications

Temperature Range-40 to +257°F / -40 to +125°C
Accuracy (-15 to +70°C)±0.8°C / ±1.5°F
Logging Rate10 seconds to 12 hours
Transmission Rate1 minute to 12 hours
Probe Length1.0m (39")
Battery LifeTypically 3-6 months
Dimensions97.3mm H x 71.3mm W x 26.36mm D
Warranty1 year
From the Cresco Resco Team

Why You'll Love It

The Comark RF312-TP delivers professional-grade, cloud-connected temperature monitoring with the simplicity of your existing WiFi network - no dedicated infrastructure required.

  • Ideal for food service operators, cold storage facilities, and pharmaceutical environments that require continuous, documented temperature records.
  • The removable 1.0m thermistor probe and wall-mount bracket provide flexible placement, while built-in memory ensures no data gaps during brief WiFi outages.
  • Pair with Comark's cloud service to receive instant email or SMS alerts and access historical logs from any device, supporting compliance and food safety programs.
Specifications
Part Number RF312-TP (4365202)
UPC 095969677752
Temperature Measurement Range -40 to +125°C / -40°F to +257°F
System Temperature Accuracy (-15 to +70°C) ±0.8°C
System Temperature Accuracy (+5°F to +158°F) ±1.5°F
System Temperature Accuracy (-40 to +125°C) ±1.5°C
System Temperature Accuracy (-40°F to +257°F) ±3.0°F
Internal Resolution 0.1°
Display Type Digital LCD
Logging Rate (User Configurable) 10 seconds to 12 hours
Transmission Rate (User Configurable) 1 minute to 12 hours
WiFi Compliance IEEE 802.11b/g/n; supports WEP, WPA/WPA2 encryption and enterprise networks (MS-CHAPv2, PEAP, EAP-FAST, EAP-TTLS)
Battery Rechargeable internal lithium polymer battery
Battery Life Typically 3-6 months
USB Supply Voltage 5V (typical)
USB Charging Temperature Range 0 to 40°C / 32 to 104°F
Supplied Probe Length 1.0 m (39")
Probe Clip Operating Temperature -40 to +100°C / -40°F to +212°F
Logger Dimensions (H x W x D) 97.3 mm x 71.3 mm x 26.36 mm / 4" x 3" x 1"
Overall Dimensions (H x W x D) 3 1/4" x 2 3/4" x 7/8"
Color Black / Blue
Shipping Weight 0.43 lb.
Mount Style Handheld / Wall Mount
What's Included Removable thermistor probe, micro USB charging cable, wall mount bracket
Warranty 1 year
Brochure
Spec Sheet
Warranty Info
User Manual

Store Locations

Visit our store in person

FRESNO, CALIFORNIA
2018 S Van Ness Ave, Fresno, CA 93721, USA

SACRAMENTO, CALIFORNIA

951 Richards Blvd, Sacramento, CA 95814, USA

LAS VEGAS, NEVADA

1300 E Charleston Blvd, Las Vegas, NV 89104, USA

RENO, NEVADA

401 E. Plumb Ln, Reno, NV, 89502

DENVER, COLORADO

751 Billings Street, Aurora, CO 80011