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Time Electronics 7000 RTD Temperature Calibrator

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7000
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The Time 7000 is a portable RTD temperature calibration device that includes both a precision digital thermometer and an RTD/ohms calibrator. It is suitable for use absolutely everywhere due to its ability to be powered by the mains or by rechargeable batteries, making the 7000 an ideal product for laboratory, workshop or field usage.

This calibration unit can be used to check a total of 7 different RTD types, including PT100. It utilises two modes - monitoring and simulation - to provide several different values. The monitor mode on the 7000 includes the ability to check RTD probes by measuring resistance at known temperatures, measures resistance values, indicates temperature when connected to an RTD probe and can be pre-programmed with RTD characteristics for high accuracy.

The simulation mode of the Time 7000 calibrator allows output of resistance at a precise known value, simulation of an RTD value from an RTD table chart, simulation of an RTD value using the internal table and also includes specific RTD programming as well.

Additional functions of this calibrator includes 2, 3 and 4 wire connections, Celsius, Kelvin, Fahrenheit and Ohm measurements, ramp and step functions and 24 hour battery life.

Time Electronics 7000 RTD Temperature Calibrator Key Features

  • Measure and simulate seven different RTD types
  • High accuracy measurements of temperature and resistance
  • 2, 3 and 4 wire connections
  • Measure and simulate Celsius, Fahrenheit, Kelvin and Ohms
  • Ramp and step functions
  • User programmable functionality
  • 24 hour average battery life (rechargeable)

Full List of Products Included

  • Time Electronics 7000 RTD Temperature Calibrator
  • Carry Case
  • Mains Charger
  • Pair of Test Leads
  • User Manual
Part Code7000

Time Electronics 7000 Technical Specifications

Typical Functions

1. Check RTD probes by measuring their resistance at known temperatures.
2. Measure resistance values.

3. Indicate temperature when connected to an RTD probe.

4. Can be pre-programmed with a particular RTD’s characteristics to allow very high accuracy.

Excitation current 1mA on all ranges
Resistance range 0.01Ω to 2.6kΩ
Resolution 0.01Ω
Accuracy See specifications below
Auto re-calibration Every 0.6 secs
Temperature stability Better than 0.0015% per °C
Max/Min values Logged automatically

The 7000 may be used with a calibrated and certified probe to produce a highly accurate thermometer.
The performance can be further enhanced by programming the actual characteristic of the probe into the unit.

Simulator Mode (4 wire)

Typical Functions

1. Output resistance of precise known value.

2. Simulate an RTD value from an RTD table chart.

3. Simulate an RTD value using the internal table.

Excitation current 0.6mA to 1mA
Resistance range 0.01Ω to 2.6kΩ
Resolution 0.01Ω
Accuracy See specifications below
Auto re-calibration Every 0.6 secs.
Temperature stability Better than 0.0015% per °C

Enhanced performance may be achieved by programming the unit to simulate the characteristic of a particular probe.
Five fixed step points (0, 25, 50, 75, 100%) are available between a user set minimum (0%) and a maximum (100%).
Programmable ramp function is also available.


Technical Specifications

Standard RTD types (Non standard RTD types user programmable)
Element Alpha Coefficient Temp Range °C Accuracy °C Temp Range °F Accuracy °F

Pt100 DIN

0.003850

-200 to 250
250 to 849

0.05
0.07

-330 to 480
480 to 1560

0.10
0.14

Pt100 US

0.003916

-100 to 250

250 to 457

0.05

0.07

-150 to 480

480 to 850

0.10

0.14

Pt200 DIN 0.003850 -200 to 300 0.05 -330 to 570 0.10

Pt500 DIN

0.003850

-200 to 250

250 to 630

0.05

0.07

-330 to 480

480 to 1160

0.10

0.14

Pt1000 DIN

0.003850

-200 to 250

250 to 630

0.05

0.07

-330 to 480

480 to 1160

0.10

0.14

Ni 120 0.006180 -100 to 200 0.05 -150 to 390 0.10
Ni 1000 0.006180 -100 to 200 0.05 -150 to 390 0.10
Resistance Accuracy
Range (Ohms) Monitor Generator
20 to 400 0.03Ω 0.03Ω
400 to 800 0.10Ω 0.10Ω
800 to 1200 0.20Ω 0.20Ω
1200 to 2600 0.50Ω 0.50Ω*

* plus additional error of 0.05% of output value. If excitation current is less than 1mA.


General Specifications

Operating temp range -10 to 50°C

Battery power

NiMH rechargeable

Mains power

External mains adaptor (optional)

Battery life > 24hrs typical use
Case Impact resistant ABS
Dimensions H165 x W90 x D45mm
Weight 0.42kg
Supplied With Carry case, mains charger, pair of test leads, and user manual
Optional Extras Mains adaptors (230 or 110V AC) and calibration certificates traceable to NPL and UKAS
Country of Origin UK
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