Ametek Jofra ETC-125A Dry Block Calibrator (-10 to 125 C)

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