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HH374-Series

4-Channel Handheld Type K Thermocouple Data Logger

  • Auto Range
  • USB Interface with Windows® Software
  • LED Back Light
  • HOLD Function
HH374-Series
From £ 373.62
4-Channel Handheld Type K Thermocouple Data Logger HH374-Series HH374-Series
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Product Overview
  • Additional Features 1 MIN/MAX/AVG/REL/HOLD Functions , Auto Power-Off
  • Data Interface USB
  • Display Type LCD
  • Display Type Note 3 1/2 digit LCD
  • Height 36 mm
  • Input Protection Voltage 60Vdc/24Vrms
  • Length 196 mm
  • Measurement Type Temperature
  • Number of Measurements 4
  • Operating Temperature, Max 50 °C
  • Operating Temperature, Min 0 °C
  • Samples,Max 16000
  • Series ID HH374-Series
  • Software Compatibility Compatable with Windows NT 4.0/NT2000/XP/Vista/Windows 7
  • Storage Temperature, Max 60 °C
  • Storage Temperature, Min -20 °C
  • Storage Temperature Note 20 to 60ºC (-4 to 140ºF) (<70% RH)
  • Temperature Accuracy ± 0.7 °C
  • Temperature Accuracy Note -200 to 1370ºC (-328 to 2498ºF) ± 0.1% rdg + 0.7ºC (± 0.1% rdg + 1.4ºF)
  • Temperature Measurement, Max 1370 °C
  • Temperature Measurement, Min -200 °C
  • Temperature Resolution ± 0.1 °C
  • Temperature Sensor Type Thermocouple
  • Weight 285 g
  • Width 65 mm

Supported Applications

The Omega HH374 Series is a handheld, multi-channel data logger thermometer designed for industrial temperature measurement and data logging applications. It features four channels specifically configured for Type K thermocouple inputs.

Operating Conditions & Performance

The series supports a measurement range of -200 to +1372°C (-328 to +2501°F). Resolution is specified as 0.1°C/°F for readings below 1000 and 1°C/°F at or above 1000. Accuracy is rated at ±(0.1% of reading + 0.7°C) or ±(0.1% of reading + 1.4°F), with specifications defined for ambient temperatures between 18°C (64°F) and 28°C (82°F). Outside this range, a temperature coefficient applies: 0.01% of reading + 0.05°C per °C (<18°C or >28°C).

Operating conditions include an ambient temperature range of -10 to 50°C (14 to 122°F) and humidity between 10 to 90%RH. Storage limits are defined as -40 to 60°C (-40 to 140°F) with storage humidity from 10 to 75%RH. The device samples at a rate of 1 time per second.

Configuration Options

The HH374 Series is offered as a handheld unit with the following documented capabilities and configurations:

  • Sensor Inputs: Four channels for Type K thermocouples; standard accessories include two K Type Bead Probes.
  • Data Storage & Display: Backlit LCD display capable of storing up to 16,000 records. Indicators on the display show battery capacity (MIN MAX AVG), minimum/maximum values, average value, auto power-off status, recording activity, and memory full conditions.
  • Power Supply: Operates on a 9V Battery with an approximate lifetime of 80 hours using alkaline batteries. An optional AC adapter is available (9 VDC, max 8-10VDC).
  • Data Interface: USB connector for PC interface; compatible with Windows software.
  • Housing & Dimensions: Overall dimensions are 197mm(L) x 65mm(W) x 36mm(H); weight is approximately 285g. Includes a carrying case as standard accessory.

Key Product Differences

The series includes the HH374 model, which serves as the primary handheld configuration for Type K thermocouple data logging. The unit features an auto power-off function to conserve battery life and provides a "Data Hold" indication (H) on the display.

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