Specifications

tecal portable dri-block
®
calibrators
8
Tecal 650S/H
This temperature calibrator is ideal for calibrating temperature sensors used in the food and
pharmaceutical, petrochemical and power generation industries as well as calibrating any sensors
used in the temperature range outlined in the specification below.
S Version: Set required Temperature and Calibrate
H Version: Set required Temperature and Calibrate also programmable for switch test and ramp
rate etc.
The 650 models have large aluminium-bronze blocks which can house large single or multi-hole
inserts. These inserts can accommodate probes to a depth of 152.4mm providing high stability
and uniformity. All models are equipped with high-powered band heaters and two fans in order
to rapidly heat and cool the temperature probe block to the required range of temperatures.
Technical Specification
Minimum temperature 25°C below ambient
Maximum temperature 650°C
Temperature accuracy in measuring zone. ±0.4°C
Temperature uniformity in measuring zone ±1°C
1
Measuring zone 0 to 50mm from base of well
Temperature stability after 10mins ±0.09°C
Display resolution 0.1°C
Heating rate, 20°C to 600°C 35 minutes
Cooling rate, 600°C to 200°C 30 minutes
Programmable ramp rate, °C/min 0.1 to 10, on H version
Switch test on H version
Comms port, 9 way D type Full bi-directional RS-232
Weight, 11.8(S), 12.2(H) kg
Dimensions H x W x D, mm 285 x 190 x 426
Immersion Depth =152.4mm
1
At 400°C
Ordering Information
Product Model Voltage Hz Watts Net
Code Weight (kg)
FDB650SD TECAL 650S 230V 50/60 1100 12.5
FDB650SP TECAL 650S 120V 50/60 1100 12.5
FDB650HD TECAL 650H 230V 50/60 1100 13.0
FDB650HP TECAL 650H 120V 50/60 1100 13.0
Accessories
The Cooling Probe can be used to rapidly cool the insert – chilled water passes through the probe
that fits inserts with 10mm ø hole or larger
Product Model Net
Code Weight (kg)
FDB00CP Cooling Probe for 425,650,700X 0.4kg
FCALCASE Hard Carry case for Tecal H and S models 8.6kg
650S
650H
See page 9 for full range of inserts available.