Extech Instruments VFL Series User Manual

VFL Series User Manual v2.0 10/20
34
17. Specifications
17.1 General Specifications
Display
Dual 7-segment 4-digit LEDs
Display range
-1999 to 9999
Indicating accuracy
± (0.2% full scale + 1 digit)
Display update rate
4 readings per second
Output status indication
Front panel Alarm (ALM) and Control (OUT) LEDs
Out-of-range indication
PV display flashes
‘No input’ indication
PV displays ‘OPEN’
Auto Tune indication
Right-most decimal on the PV display flashes
Programming data
Stored in non-volatile memory
Materials and IP rating
Housing: ABS plastic
Front panel: Lexan (NEMA/IEC IP55 equivalent)
Power
90 to 264VAC 50/60Hz
Power consumption
< 5 VA
Insulation Resistance
> 50 M ohms
Noise rejection
Common Mode: 120 dB; Normal Mode: 60 dB (typical)
Operating conditions
14 to 122
o
F (-10 to 50
o
C); 90% Relative Humidity max.
Storage temperature
-4 to 140
o
F (-20 to 60
o
C)
Panel cut-out dimensions
48VFL: 1.77 x 1.77" ±0.02" (45.0 x 45.0mm ±0.5mm)
96VFL: 3.62 x 3.62" ±0.02" (92.0 x 92.0mm ±0.5mm)
17.2 Thermocouple Input Specifications
Thermocouple types
J, K, T, E, B, R, S, C, and N (user selectable)
Break-protect
Upscale and downscale
Lead wire effect
0.015% / ohm
Input impedance
> 10M ohms
Repeatability
0.83
o
C
Temperature stability
5uV/
o
C typical
Type K range
-58 to 2498
o
F (-50 to 1370
o
C)
Type J range
-58 to 1830
o
F (-50 to 1000
o
C)
Type B range
32 to 3272
o
F (0 to 1800
o
C)

Extech Instruments VFL Series Specifications

General

Brand	Extech Instruments
Model	VFL Series
Category	Controller
Language	English