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Fieldpiece HB74 - General Specifications; Instrument Design and Features; Protection, Environment, and Power

Fieldpiece HB74
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9
±
GENERAL SPECIFICATIONS
Heavy duty: Case designed of hi-impact, fire retardant yellow
Valox, fully "O" ring sealed. Meets MIL-T-28800 class ll type
A. 6.9" x 2.8" x 1.5", 11.7 oz.
Display: 3
1
/
2
digit liquid crystal display (LCD). Max. read of 1999.
Data HOLD: "HOLD" button "locks" reading on all ranges.
Polarity: Automatic, positive implied, negative polarity indication.
Overrange: (OL) or (-OL) is displayed.
Zero: Automatic.
MAX hold: "MAX" button displays the largest reading.
High Voltage beeper: "lightning bolt" icon in LCD blinks and
beeper sounds intermittently in VAC and VDC ranges when
connected to voltage greater than 30V.
Continuity beeper: (<150) indicated by a continuous "beep"
within 100 msec.
Low battery indicator: The " " is displayed when the battery
voltage drops below the operating level.
Overload protection:
Volts: withstands 600VAC/600VDC rms 500VDC/350VDC,
(15 seconds in 200mV ranges). MOVS have been installed
for transient protection up to 6KV/10msec.
Ohms/diode/continuity, frequency: 500V AC/DC
Phase rotation: 500VAC
Amps, capacitance: fast blow 0.5A/500V(6.35X32mm) fuse
(RFM74) on mA jack, high energy 20A/600V(1.5X.375")
fuse (RFL701) on 20A jack.
Operating environment: 0
o
C to 50
o
C at < 70% relative humidity.
Storage temperature: -20
o
C to 60
o
C, 0 to 80% R/H with battery
removed from meter.
Temperature coefficient: 0.1 x (specified accuracy)/
o
C (< 18
o
C
or > 28
o
C).
Altitude: 2000Mt.
Accuracy: stated accuracy at 23
o
C 5
o
C, < 70% R/H.
Measurement rate: 2.5 times/sec.,nominal.
Auto-power off: Approx. 50 minutes.
Calibration cycle: 1 year.
Battery life: 300 hours typical with carbon-zinc.
Battery life: 300 hours typical with carbon-zinc.
Dimensions: 176mm (H) x 73mm (W) x 39mm (D). Wt. 340g.
Battery type: 9V NEDA 1604 type, JIS 006P, IEC 6F22.

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