Fluke-1552A-12 เทอร์โมมิเตอร์ดิจิทัล (Reference Thermometer)

Temperature range

-80°C to 300°C
(-112°F to 572°F)

Accuracy (1 year)

±0.05°C (±0.09°F)

Temperature resolution

Selectable: 0.1, 0.01, 0.001 (default 0.01)

Sample rate

Selectable: 0.5 seconds, 1 second, 2 seconds (default 1 second)

Readout temperature coefficient

Add ±10 ppm/°C of full scale temperature from −10 °C to 18 °C and 28 °C to 50 °C

Probe temperature coefficient

0.00385 Ω/Ω/°C nominal

Nominal probe resistance at 0 °C

100 Ω

Probe hysteresis

±0.01°C

Response time

Approximately 20 seconds

Operating temperature range of readout

-10°C to 50°C (14°F to 122°F)

Humidity range

0% to 95% RH, non-condensing

Storage temperature

-20°C to 60°C (-4°F to 140°F)

Display units

°C, °F

Sensor type

100 Ω wire-wound PRT

Sensor length

≤ 30 mm

Sensor position (from sheath tip)

3 mm (0.1 in)

Minimum immersion depth

Wet medium (liquid bath, thermowell with thermal compound) 70 mm (2.8 in)
Dry medium (dry-well, thermowell without thermal compound) 120 mm (4.8 in)

Maximum immersion depth

75 mm (3 in) less than the total length. Make sure the last 75 mm of the probe, nearest to the internal electronics of the device, are not put into the heat source.

Probe sheath material

Stainless steel

Optional data logging1

Up to 10,000 time-stamped readings stored to internal memory

Logging intervals1

2 seconds, 5 seconds, 10 seconds, 30 seconds, or 60 seconds

Damping

Moving average of the most recent 2 to 10 readings
(ON/OFF, 2, 5, 10)

Communications

RS-232 stereo jack (access calibration parameters only)

AC power

None

DC power

3-AAA alkaline batteries
See Users Manual for approved batteries

Battery life

Approximately 300 hours (12.5 days) of continuous operation with the backlight off.

Battery save (auto-off) range

Selectable from 1 to 30 minutes or can be disabled

Safety

IEC 60079-0, IEC 60079-11: Ex ib IIB T4 Gb; IEC 61010-1: Pollution Degree 2

Electromagnetic compatibility

International:
IEC 61326-1: Portable Equipment;
IEC 61326-2-2; CISPR 11: Group 1, Class B
Group 1: Equipment has intentionally generated and/or uses conductively coupled radio frequency energy that is necessary for the internal function of the equipment itself.
Class B: Equipment is suitable for use in domestic establishments and in establishments directly connected to a low voltage power supply network which supplies buildings used for domestic purposes.
USA (FCC):
47 CFR 15 subpart B. This product is considered an exempt device per clause 15.103.

Size (readout only)

125 mm x 62 mm x 35 mm (5 in x 2.5 in x 1.4 in)

Probe Size

6.35 mm x 305 mm (1/4 in x 12 in)

Weight

200 g (6.9 oz)

Calibration (included)

accredited, NIST-traceable

Characterization

ITS-90