industrial calibration/91
Precision Thermometer
Model TTI-8
New High-Performance 2- or 8-channel Precision Digital Thermometer, for calibrated and uncalibrated Pt100 probes,
with great new features for increased usability and lower life-costs.
Using calibrated probes with our TTI-8 you choose between storing calibration data into memory in the instrument or
into the probe’s proprietary ‘SMARTER’ connector. Calibration data stays permanently with the probe in this connector,
which the TTI-8 instantly recognizes, ensuring fool proof measurement. Better yet, the ‘SMART’ connectors use standard
5 pin DIN connectors, so you can mix ‘SMART’ and passive connectors on the same input. How’s that for versatility?
Until now, calibration meant losing your instrument to a calibration lab, costing time and money. Not any more. We send
you a traceable calibrated device (‘TCD’) to connect to the TTI-8 and using a built-in program, the TTI-8 will calibrate
itself. You don’t need to use a calibration laboratory, saving you both time and money.
Other exciting new features have been included, like the Probe Temperature Watchdog and the Calibration Status
Monitor. Calibrated probes should be used within their calibration temperature limits, outside these and the probe
calibration may have been compromised. The Probe Temperature Watchdog keeps you informed.
The TTI-8 delivers! Calibrated or uncalibrated probes, ‘SMART’ or passive connectors, Pt 100 or Pt 25 thermometers.
TTI-8 handles them all with style.
Features
• Common Inputs for Both ‘SMART and
Passive Connectors
• Single or Differential Measurement
• Galvanically Isolated RS232 Interface as
Standard
• ITS-90, EN60751 and CvD Temperature
Conversion
• Clear Vacuum Fluorescent Display in °C,
°F, K or Ω Plus Channel Selected
• Self-Calibrating Against Traceable
External Reference
SPECIFICATIONS
Model TTI-8
Temperature Range -200°C to 962°C
Accuracy ±0.01°C over full range
Resolution 0.001°C over range
Repeatability ±2 least significant digits (±0.002°C),
included in accuracy
Stability ±0.005°C per year
Temperature <0.00005°C per °C ambient change
Co-Efficient
Data Entry Format ITS90 coefficients, Callender van Dusen
coefficients, or EN60751 for un-calibrated
probes.
Probe Current 1mA constant current source
Probe Types Pt100 to EN60751 with nominal Ro=100
and 25Ω high-alpha probes up to 0.00392
Maximum Cable 100 meters of 4 core 19/0.15 SPC/PTFE
Length screened cable
Thermometer Input (2 ch.) or (8 ch.) 5 pin industrial
Connectors DIN socket can be used with passive or
proprietary SMART connector.
Communications Galvanically isolated RS232C: 4KV isolation.
Baud rate 9600.
Operating Conditions 0°C to 50°C, 10-90% RH non-condensing.
Power 90 to 264VAC universal IEC input,
(50/60 Hz) 30VA max.
Overall Dimensions 101.6mm x 152.4mm x 203.2mm (HxWxD)
Weight 2.2 lbs (1kg)
INDUSTRIAL
HOW TO ORDER
TTI-8-2 2-Channel Reference Thermometer
TTI-8-8 8-Channel Reference Thermometer
industrial calibration/91
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