
tecal portable dri-block
®
calibrators
4
Tecal 425F
The medium-temperature Tecal 425F operates from 5°C above ambient to 425°C and reaches
maximum temperature in 12 minutes. It weighs 6.3kg and has the same temperature accuracy
and uniformity performance as the 140F model.
Technical Specification
Medium temperature Portable Field Temperature Calibrator
Minimum temperature 5°C above ambient
Maximum temperature 425°C
Temperature accuracy ±0.3°C
Temperature uniformity ±0.2°C
Temperature stability ±0.03°C at 200°C (after 10 mins)
Temperature stability ±0.05°C at 425°C (after 10 mins)
Display resolution 0.01°C or 0.1°F
Set point resolution 0.1°C or 0.1°F
Heating rate, 20°C to 400°C 12 minutes
Cooling rate, 400°C to 100°C 21 minutes
Large well Ø38mm x 114mm inserts.
Fan cooling Automatic
Dimensions H x W x D mm 270 x 170 x 255
Weight 6.3kg
Options
● Inserts from standard list type FINSAL-
● RS-232 interface plus software and cable
● Cooling probe for rapid cooling of block
● Carry case soft
● Carry case hard
● UKAS calibration certificate
Ordering Information
Product Model Voltage Hz Watts Net
Code Weight (kg)
FDB425FD Tecal 425F 230v 50/60 900 6.3
FDB425FP Tecal 425F 120v 50/60 900 6.3
FDB425FY Tecal 425F 100v 50/60 790 6.3
FDB425FR Tecal 425F with RS-232 230v 50/60 900 6.3
FDB425FS Tecal 425F with RS-232 120v 50/60 900 6.3
FDB425FT Tecal 425F with RS-232 100v 50/60 790 6.3
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.
Accessories
Product Model Net Weight (kg)
Code
FDB00CP Cooling Probe for 425,650,700X 0.4kg
FCALFCSH Hard Carry case for 650F 8.2kg
FSC140F Soft Carry case for 140 + 650F 2.3kg
6104266 RS-232 cable for use relevant units 0.2kg
425F
See page 9 for full range of inserts available
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