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  Products > Temperature Measurement > Sub Products > Temperature Recording and Monitoring > Diligence EV Thermocouple Data Logger

Diligence EV temperature and humidity data loggers: compact, durable, lightweight and designed for use in many applications including the food, pharmaceutical and chemical industries and the monitoring of medicines and other sensitive materials in transit or storage. The loggers are also ideal for building services, scientific experiments, production processes and heating, ventilating and air conditioning systems.

N2004 Features:-

 > Four channels for up to 3 external thermocouple probes or one external thermistor probe     or one external thermocouple probe with thermistor at the cold junction
 > Connection of up to 3 external probes via the N2000ADP/K or N2000ADP/T cables
 > Lumberg socket for direct connection of a single probe
 > Programmable selection of thermocouple types K or T
 > LCD display for temperature readings and alarm indication
 > Wide measurement ranges from -200°C to thermocouple limits, +400°C type T and     +1372°C type K
 > New penetration probes, type K - PK31L and type T - PT31L

 > All models feature:-
 > Tough, moulded cases, dust and waterproof to IP67 standards
 > Large memory capacity of up to 16000 readings
 > Ability to log over multiple periods
 > Compatibility with the versatile Comark EV software package, shared with the N3014     Graphic Display Monitor and EVt data loggers This software is available in two versions,     with the professional version aiding compliance with the pharmaceutical industry regulation     21CFR Part 11
 > Single, multi-function button
 > LED indicators to show active logging and alarm conditions, plus audible alarm warning
 > Multi-sensor models with Lumberg connector for Comark temperature probes (plus     sub- miniature connection on thermocouple models)
 > Long battery life of up to 5 years
 > Two year warranty

Specifications

 PRODUCT SPECIFICATION  DESCRIPTION
 Sensor Type:  Thermocouple types K or T, Thermistor
 Measurement Range
 Type K
 Type T
 Thermistor
 
 -200°C to +1372°C/-328°F to +2502°F
 -200°C to +400°C/-328°F to +752°F
 -40°C to +70°C/-40°F to +158°F
 Scales :  °C and °F
 Resolution
 Thermocouple
  0.2°C up to and including +300°C, 0.5°C  above +300°C
 Accuracy
 at +20°C, ambient
 -20°C to +40°C,
 ambient
 -40°C to +70°C,
 ambient
 -20°C to +40°C
 -40°C to +70°C
 
  ±0.5°C + 0/3% of reading

  ±0.5°C +0.5% of reading

 ±1.0°C +1.0% of reading
 ±0.3°C Thermistor
 ±0.5°C Thermistor
 Memory 32K
 1 channel
 2 channels
 3 channels
 4 channels

 16000 samples
 8000 samples
 5300 samples
 4000 samples
 Communications  via infra-red interface
 Download Time  3 minutes for 10000 readings (typical)
 Logging Frequency  Programmable between 1 seconds and 99  hours
 Internal Sensor Response  Time  T90 =15 to 30 minutes in ambient air
 Ambient Storage  -40°C/-40°F to +70°C/+158°F
 Logging start   Programmable date and time or manual  start from instrument multi-function  button
 Software  Windows based Evolution software  requiring Windows 95, 98 or NT operating  systems
 Battery  1 x AA size 3.6V replaceable lithium  battery, part number A17476
 Battery Life
 Up to 5 years
 Case Material
 ABS
 Environmental Protection
 IP67, EN60529, IEC529
 LED Indication
 Red
 Green


  alarm
 logger active
 Dimensions  L 88mm/3.5ins (including fixing lug) W  80mm/3.1ins D 35mm/1.4ins