Vaisala Veriteq VL 1700 Thermocouple Data Logger

​Vaisala Veriteq VL-1700 Thermocouple temperature data loggers are accurate and easy to use recorders designed for a broad range of industrial temperature measurement applications. Use VL-1700 data loggers in process verification, dry ice product storage, oven/kiln process profileing, or meeting ISO 9000 quality/epa/haccp compliance.

Compact and efficient alternatives to chart recorders and bulky data acquisition systems, VL-1700 loggers are fully compatible with any type J, K, T, E, R and S thermocouple probe. Equipped with a ten-year lithium battery and an internal non-volatile memory, each data logger features multi-year data capacity and full-range cold-junction temperature compensation. Available in both narrow and wide range versions, they provide reliable and high accuracy temperature monitoring from -240° C to 1760° C. View Technical Specifications below, in "Documents."

Easy to set up and use, VL-1700 data loggers require no programming or complicated equations. To operate, simply select a thermocouple type, make your connections to the terminal block, and begin recording. The recorders are completely self-contained and self-powered, eliminating the need for bulky transmitters, signal conditioners or external power sources.

Use Vaisala Veriteq viewLinc or vLog VL Software to work with the data from your VL-1700 data loggers. With just a few keystrokes, you can set up your logger, download your data, create outstanding graphic and tabular representations of your data, overlay graphs from different loggers and export files to other programs.

Only available in North America.
 

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    Features
     

     Features

    		 
    • ​Self-powered data logger connects directly with commonly available thermocouple temperature probes
    • Single & multi-input data logger models record temperature from -240° C to 1760° C
    • User-configurable data logger inputs accept type J, K, T, E, R and S thermocouples
    • High impedance inputs maximize accuracy and allow use with long or thin gauge thermocouple probes
    • Includes automatic cold junction temperature compensation
    • Completely self-contained with internal memory and ten-year battery
    • Vaisala Veriteq viewLinc offers real-time monitoring and alarming of out-of-spec conditions.
    • Vaisala Veriteq OPC server software allows you to use your Veriteq loggers with other data logging systems.
    Technical Specifications
     

     Technical Specifications

    		 

    General

    Size 2.8 x 2.1 x 0.7" (71x53x18mm);
    60g (2.2 oz.)
    Operating Range -40 to 85° C. (-40 to 185° F.) and
    0 to 95% RH
    Interfaces RS-232 serial port; Ethernet; PoE
    Mounting Magnetic strips; Velcro optional
    PC Software Compatible with the following software packages: Vaisala Veriteq viewLinc (for continuous monitoring & alarming), Vaisala Veriteq vLog (vl data loggers), Vaisala Veriteq Spectrum (sp data loggers)
    Clock Accuracy: +/- 1 min./month at 0 to 50° C.
    Electromagnetic Interference Meets FCC Part 15 for digital devices; meets CE requirements for radiated emissions, electrostatic discharge, & radiated susceptibility.
    Power Source Internal lithium battery with life of 10 years at 1 min. sampling rate.

    System Operation

    Series 1700 Thermocouple dataloggers record low-level millivolt thermocouple signals. The system automatically processes these signals and references them to the logger's on-board cold junction temperature sensor to produce accurate temperature readings.Two types of Series 1700 dataloggers are available: The narrow range "N" series provides high precision and exceptional low-temperature performance; the wide range "W" series provides a broader temperature measurement range ideal for high temperature applications. The following two charts detail the input specifications , measurement ranges, and rated accuracies of these two series of units.

    Datalogger Inputs

    1700
    Series Type
    1700 Series Models
    No. of Channels
    Total
    CJT
    Thermocouple
    Narrow Range 1700-21N 2 1 1
    1700-51N 5 1 4
    Wide Range 1700-21W 2 1 1
    1700-51W 5 1 4

    Note: One channel on each model provided for Cold Junction Temperature (CJT) reference using on-board precision-tolerance thermistor.

    Thermocouple Input Channels

    Compatible thermocouple types J, K, T, E, R, S, :
    Input Impedance: 10M ohms
    1700 Series Type: Input Range: Resolution: Accuracy:
    Narrow Range -7.2 to
    7.8 mV    		 0.004 mV +/- 0.014 mV @ 25°C
    Wide Range -4.6 to
    55.4 mV    		 0.016 mV +/- 0.055 mV @ 25°C

    Thermocouple Ranges & Accuracy

    Temperature Accuracy
    (Wide Range models shown in shaded italics)
    Thermocouple
     
     
     
     
     
     
    Temperature Measurement Range
    (°C)    		 -220 to 210 -130 to 160 -240 to 190 -110 to 140 -50 to 790 -50 to 850
    -100 to 1370 -50 to 900 -100 to 350 -50 to 740 -50 to 1760 -50 to 1700
    Instrument Temperature Accuracy
    @mid range (°C)    		 0.36 0.28 0.40 0.24 1.4 1.5
    1.3 1.0 1.2 0.70 4.4 5.1
    Resolution 
    @mid range (°C)    		 0.10 0.08 0.11 0.07 0.40 0.43
    0.37 0.29 0.34 0.20 1.3 1.5

    Cold Junction Temperature Channel

    Measurement range -40°C to +85°C
    (-40°F to +185°F)
    Accuracy +/-0.25°C over +20°C to +30°C
    (+/-0.45°F over +68°F to +86°F)
    +/-0.35°C over -20°C to +70°C
    (+/-0.63°F over -4°F to +158°F)

    How to Connect

    Connecting thermocouple probes using an 1700-51N/51W logger: To connect a typical two-wire probe, attach the red lead to one of the logger's two common (COM) input terminals. Attach the other probe lead to a channel input (CH1, CH2, CH3 or CH4)

    Memory

    Data Sample Capacity 70,000 12-bit samples
    Memory Modes User-selectable: Wrap when memory full, or Stop when memory full.
    Memory Protection Data retention > 20 years backup without power.
    Sampling Rates User-selectable (in intervals of 10 seconds) from once every 10 seconds to once a day.
    Recording Span Recording span depends on sample interval selected and number of channels enabled. Below chart details typical sampling rates and length of time logger will retain data in memory before wrapping around or stopping (see Memory Modes).

    Sample Interval

    Recording Span

    Number of channels

    2

    		 3 4

    5

    10 seconds 4.1 days 2.7 days 2.0 days 1.6 days
    30 seconds 12.2 days 8.1 days 6.1 days 4.9 days
    1 minute 24.3 days 16.2 days 12.1 days 9.7 days
    5 minutes 4.1 months 2.7 months 2.0 months 1.6 months
    15 minutes 1.0 year 8.1 months 6.1 months 4.9 months
    1 hour 4.0 years 2.6 years 2.0 years 1.6 years

    Note: Channel count is based on the number of thermocouple inputs enabled (or available) plus one channel for cold junction temperature (CJT).
    Related Services
    • Service Center Calibration 
      • Regular calibration ensures that your Vaisala equipment continues to provide accurate, high-quality data. We offer traceable, standards-compliant calibration services for almost all Vaisala products and partner with world-class couriers for rapid, trouble-free return of your equipment.
    • On-Site Calibration 
      • On-site calibration helps you maximize both reliability and profitability by minimizing costly equipment downtime and ensuring compliance with relevant regulations and standards. Our expert engineers can also replace a range of components, carry out minor repairs, and provide the latest upgrades.
    • Repair Services 
      • Vaisala repair services include fault tracing and repair or replacement of failed components, as well as final testing to ensure your equipment is functioning properly. Repairs can be carried out on site or at one of our service centers.
    • Spare Parts 
      • Get rapid access to the spare parts you need to maximize the uptime of your equipment and ensure reliable and accurate operation. In addition to standard spare part delivery, we also offer an express service where parts are shipped within one business day.
    • Warranty 
      • All Vaisala products and services are covered by a 12-month warranty as standard, with selected products covered for up to 24 months. During this period you benefit from free repair or replacement of faulty equipment. With Vaisala’s extended warranty, you get free repair or replacement for five years.
    Thermocouple Data Logger FAQ
     

     Thermocouple Data Logger FAQ

    		 
    • Will the Vaisala Veriteq 1700 data loger work with my existing thermocouple probes? »
    • Which is the best thermocouple type for me? »
    • How does the Vaisala Veriteq 1700 data logger perform automatic cold junction compensation? »
    • What is a thermocouple? »
    • What is "cold junction temperature" and why is it important? »
    • What is automatic cold junction temperature compensation? »
    Documents