5989-5509.pdf - 第13页

Page 13 Find us at www .keysight.com Order ing Infor mation Optional Acc essories Measuring accessories (non-t emperature ) U1 251 B U1252B U1 253 B U1 1 61 A extend ed test lead kit Includes t wo test leads (red and bl …

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General Specifications
Display
Both primary and secondary displays are 5-digit on the LCD display.
Both the primary and secondary displays offer a maximum resolution of 50,000 counts.
Automatic polarity indication.
Connectivity
IR to USB
Power consumption
105 mVA/420 mVA (with backlight) maximum (U1251B)
165 mVA/480 mVA (with backlight) maximum (U1252B)
420 mVA maximum (U1253B)
Battery type
9 V alkaline battery (ANSI/NEDA 1604A or IEC 6LR61)
9 V carbon-zinc battery (ANSI/NEDA 1604D or IEC6F22)
7.2 V or 8.4 V Ni-MH rechargeable battery
Battery life
U1251B: 72 hours typical
U1252B: 36 hours typical
U1253B: 8 hours typical
Operating environment
– Full accuracy at –20 °C to 55 °C ; and to 80% RH for temperatures up to 35 °C,
decreasing linearly to 50% RH at 55 °C
– 0 to 2000 m altitude per IEC 61010-1 2nd Edition CAT III, 1000 V/CAT IV, 600 V
Storage compliance
–40 °C to 70 °C with battery removed
Measurement category
CAT III 1000 V / CAT IV 600 V
Regulatory
Refer to Declaration of Conformity for the latest revisions of regulatory compliance at:
http://www.keysight.com/go/conformity
Common mode rejection ratio (CMRR)
U1251B/U1252B: >90 dB at DC, 50/60 Hz ± 0.1% (1 kW unbalanced)
U1253B: >100 dB at DC, 50/60 Hz ± 0.1% (1 kW unbalanced)
Normal mode rejection ratio (NMRR)
U1251B/U1252B: >60 dB at DC, 50/60 Hz ± 0.1%
U1253B: >90 dB at DC, 50/60 Hz ± 0.1%
Temperature coefficient
0.15 * (specified accuracy)/°C (from -20 °C to 18 °C or 28 °C to 55 °C)
Shock and vibration
Tested to IEC/EN 60068-2
Dimensions (HxWxD)
203.5 mm x 94.4 mm x 59.0 mm
Weight
U1251B: 504±5 g with battery
U1252B/U1253B: 527±5 g with battery
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Ordering Information
Optional Accessories
Measuring accessories (non-temperature)
U1251B U1252B U1253B
U1161A extended test lead kit
Includes two test leads (red and black),
two test probes, medium-sized alligator clips
and 4-mm banana plugs.
• Test leads: CAT III 1000 V, CAT IV
600 V, 15 A
• Test probes: CAT lll 1000 V, CAT lV
600 V, 15 A
• Medium sized alligator clips: CAT III 1000 V,
CAT IV 600 V, 15 A
• 4-mm banana plugs: CAT II 600 V, 10 A
U1162A alligator clips
• One pair of insulated alligator clips
(red and black). Recommended for use with
Keysight standard test leads.
• Rated CAT III 1000 V, CAT IV 600 V, 15 A.
U1163A SMT grabbers
• One pair of SMT grabbers (red and black).
Recommended for use with Keysight standard
test leads.
• Rated CAT II 300 V, 3 A.
U1164A fine-tip test probes
• One pair of fine-tip test probes (red and black).
Recommended for use with Keysight standard
test leads.
• Rated CAT II 300 V, 3 A.
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Optional Accessories (continued)
Measuring accessories (non-temperature, continued)
U1583B AC current clamp
• Dual range: 40 A and 400 A
• Rated CAT III 600 V
• BNC-to-banana-plug adapter provided for use
with DMMs
U1169A test probe leads
Includes two test leads (red and black), and a pair
each of 19-mm and 4-mm test probes.
• Test leads: CAT III 1000 V, CAT IV
600 V, 15 A
• Test probe (19-mm tip): CAT II 1000 V, 15 A
• Test probes (4-mm tip): CAT III 1000 V, CAT IV
600 V, 15 A (highly recommended for CAT IV
environment)
U1168A standard test lead kit
Includes two test leads (red and black),
19-mm and 4-mm test probes, alligator clips, fine-tip
test probes, SMT grabbers and mini grabber (black).
• Test leads: CAT III 1000 V, CAT IV
600 V, 15 A
• Test probes (19mm tip): CAT II 1000 V, 15 A
• Test probes (4-mm tip): CAT III 1000 V, CAT IV 600 V,
15 A (highly recommended for CAT IV environment)
• Alligator clips: CAT III 1000V,
CAT IV 600 V, 15 A
• Fine-tip test probes: CAT II 300 V, 3 A
• SMT grabber: CAT II 300 V, 3 A
• Mini grabber: CAT II 300 V, 3 A
Measuring accessories (temperature)
U1180A thermocouple adapter+
lead kit, J and K types
Includes thermocouple adapter, thermocouple
bead J-type and thermocouple
bead K-type.
• T/C adapter J/K-type
• T/C bead J-type: –20 °C to 200 °C
• T/C bead K-type: –20 °C to 200 °C
U1181A immersion temperature probe
• Type-K T/C for use in oil and other liquids
• Measurement range: –50 °C to 700 ºC
• Includes adapter U1184A for connection to
DMM
U1182A industrial surface
temperature probe
• Type-K T/C for use on still surfaces
• Measurement range: –50 ºC to 400 ºC
• Includes adapter U1184A for connection to
DMM
U1183A air temperature probe
• Type-K T/C for use in air and
non-caustic gas
• Measurement range: –50 ºC to 800 ºC
• Includes adapter U1184A for connection to
DMM
U1184A temperature probe adapter
• Mini-connector-to-banana-plug adapter for use
with DMM
U1185A J-type thermocouple and
adapter
• T/C adapter J/K-type
• T/C bead J-type: –20 °C to 200 °C