The Ametek Jofra ETC Dry Block heats up by up to 100 Deg C/212 Deg F per minute and completes a full dual-point test in less than 10 minutes, including stability time; timesavings at your fingertips! The ETC- series is designed for field testing of temperature measurement devices. The small size and light weight make it a perfect instrument to verify sensors in difficult to reach places. All JOFRA ETC units have many of the same useful and timesaving features offered in the more advanced JOFRA dry-block series.
Specifications
FUNCTIONAL SPECIFICATIONS
Temperature range @ ambient temp. 23°C / 73°F ETC-125 A Maximum ........................................................125°C / 257°F Minimum @ ambient temp. 0°C / 32°F ........... -18°C / -0°F Minimum @ ambient temp. 23°C / 73°F ............ -10°C /14°F Minimum @ ambient temp. 40°C / 104°F ........... 6°C / 43°F ETC-400 A ......................28 to 400°C / 82 to 752°F@ 23°C ETC-400 R ......................28 to 400°C / 82 to 752°F@ 23°C Resolution (user-selectable) Selectable ............................................................. 1º or 0.1º Heating time ETC-125 A -10 to 23°C / 14 to 73°F .........................................3 minutes 23 to 100°C / 73 to 212°F ....................................11 minutes 100 to 125°C / 212 to 257°F ..................................7 minutes ETC-400 A / R 28 to 200°C / 82 to 392°F .....................................2 minutes 200 to 400°C / 392 to 752°F .................................3 minutes Cooling time ETC-125 A 125 to 100°C / 257 to 212°F ................................. 1 minute 100 to 0°C / 212 to 32°F ......................................17 minutes 0 to -10°C / 32 to 14°F .........................................14 minutes ETC-400 A 400 to 200°C / 752 to 392°F .................................6 minutes 200 to 50°C / 392 to 122°F..................................15 minutes ETC-400 R 400 to 200°C / 752 to 392°F .................................9 minutes 200 to 50°C / 392 to 122°F..................................24 minutes Stability ETC-125 A ..............................................±0.05°C / +0.09°F ETC-400 A ............................................. ±0.15°C / +0.27°F ETC-400 R ...............................................±0.3°C / ±0.54°F Measured after the stability indicator has been on for 10 minutes. Measuring time is 30 minutes. Time to stability (approximate) All models .............................................................3 minutes Accuracy ETC-125 A ............................................... +0.5°C / +0.9°F 1) ETC-400 A .............................................. +0.5°C / +0.9°F 1) ETC-400 R .............................................. ±0.5°C / ±0.9°F 2) ETC-400 R incl. emissivity .................................... ±0.4% rdg ±1°C / ±0.4% rdg. ±1.8°F 1) Specification when using the internal reference. (Load 4 mm OD reference probe in the center of the insert). 2) Specification when using the internal reference. (Load 3 mm OD reference probe).
Immersion depth ETC-125 A (insulation included) ................. 110 mm / 4.3 in ETC-400 A ...................................................105 mm / 4.1 in Mains specifications Voltage ETC-125 A ......... Multivoltage 115VAC and 230VAC ........................................ 115V(90-132) and 230V(180-264) Voltage ETC-400 A/R ....... 115V(90-127) or 230V(180-254) Frequency ETC-125 A ..........................................47 - 63 Hz Frequency ETC-400 A/R .....................................45 - 65 Hz Power consumption (max.) ETC-125 A .......................75 VA Power consumption (max.) ETC-400 A/R .................350 W
Auto stepping Programmable ................................................. Up to 9 steps Dwell time on each step ............................... Programmable Multi-information display Stability indicator .......................................Clear checkmark Countdown timer before stable .............................3 minutes Temperature .......................SET and READ simultaneously Alphanumeric messages................................................ Yes Calibration status icons .................................................. Yes Training mode (heating/cooling block disabled) Simulation of all functions .............................................. Yes Simulating heating and cooling ..... Approx. 100° per minute Service facilities Adjustment of the unit from the keypad ......................... Yes Self explaining guide in display......................................... Yes Other information: ............................ Display serial number, .................. software revision level, and last calibration date Setup facilities Stability criteria: ......... Extra time before ’’stable indication’’ ................................................................................ is shown Display resolution ............................................. .1° or 1°C/°F Temperature units ................................................... °C or °F Slope rate ................................................. 0.1 to 9.9°/minute Maximum temperature .....................Any value within range
PHYSICAL SPECIFICATIONS Instrument dimensions ETC-125 A, ETC-400 A and ETC-400 R L × W × H: ................172 × 72 × 182 mm / 6.8 × 2.8 × 7.2 in Instrument weight ETC-125 A .......................................................1.8 kg / 3.9 lb ETC-400 A ......................................................1.6 kg / 3.5 lb ETC-400 R ...................................................... 1.7 kg / 3.7 lb Shipping (including shipping cargo box) ETC-125 A: ......................................................3.0 kg / 6.6 lb ETC-400 A: .................................................... 2.8 kg / 6.2 lb ETC-400 R ......................................................4.5 kg / 9.9 lb Size, L × W × H: ETC-125 A / 400 A: .............................................................. ............................. 345 × 235 × 135 mm / 13.6 × 9.3 × 5.3 in ETC-400 R ......... 425 x 320 x 165 mm / 16.7 x 12.5 x 6.5 in Miscellaneous Serial data interface ................................................. RS232 Operating temperature .....................0 to 40°C / 32 to 104°F Storage temperature ......................-20 to 50°C / -4 to 122°F Humidity ..........................................................0 to 90% RH Protection class ........................................................... IP-10 DNV Marine Approval, Certificate no ......................A-10384
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