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Wahl DHS520
2.0 SPECIFICATIONS
Temperature range:
Viewfinder display:
External display:
Optical system:
Focusing:
Minimum target diameter:
Detector:
Spectral response:
Emissivity adjustment:
Response time:
Operating temperature range:
Storage temperature range:
Accuracy:
Repeatability:
Drift with ambient temperature:
Power source:
Digital outputs:
IP rating:
Dimensions:
Weight:
Standard accessories:
Optional accessories:
Page 4
550 to 3000° C / 1022 to 5432° F (actual)
600 to 3000° C / 1112 to 5432° F (specified)
4-digit temperature in 1° steps
Peak, Continuous, Average and Valley temperatures
on LCD display panel
9° field of view with 1/3° measuring circle; single-lens-
reflex system; with eyepiece adjustment from -3.75 to
+2.5 diopters
1m/39.4in. to infinity (standard) from body datum
nominally 450 to 620mm/17.7 to 24.5in. (135 c.u.lens)
nominally 215mm/8.5in. fixed focus (110 c.u. lens)
4.8mm/0.19in. at 101.4cm/39.9in. (standard)
1.8mm/0.07in. (135 close-up lens)
0.4mm/0.02in. (110 close-up lens)
silicon photocell
nominally 0.85 to 1.10µm
0.10 to 1.20, in 0.01 steps
digital display update: 0.5 seconds (approx.); peak and
valley operation: acquisition time 30ms (approx.)
0 to 50° C (32 to 122° F)
-20 to 60° C (-4 to 140° F)
<0.25% of reading (K or ° R)
<1° C
<0.15%(C)/10° C, <0.10%(F)/10° F
one 9V dry battery (Duracell 6LR61/12232 or
equivalent); typical alkaline battery life: >100hrs in
'from-factory' configuration
ASCii code; RS232 serial out
IP40
210 x 70 x 140mm / 8¼ x 2¾ x 5½in.
800g/1lb12oz (without battery)
lens cap; 9V alkaline battery; protective window; dark
glass eye protection filter; wrist strap
type 135 and 110 close-up lenses; protective hard
carry case.
User Manual
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