Digital Weight Indicators for Hostile Environments

Survivor 420HE/390HE

-

Notable Features

• NEMA 4X Fiberglas-Reinforced Polyester (FRP) enclosure
• Bright, 2" LED Display (420HE)
• Bold 1" Liquid Crystal Display (LCD) (390HE)
• Universal mounting tabs (replaceable)
• Up to 60 updates/second (420HE) or up to 30 updates/second (390HE)
• Selectable display update rate
• lb/kg switching
• 5-button operation, environmentally protected mechanical switches
• Two communication ports, full duplex RS-232
• RATTLETRAP vibration control
  
  

Specifications

-

Excitation Voltage

5 VDC
Load current:
115 mA maximum (8 x 350Ù load cells)

Analog Signal Input Range

0.5 mV/V - 3.5 mV/V

Analog Signal Sensitivity

0.3 microvolts/graduations minimum

Measurement Rate

60,30,15,7 1/2 updates second

System Linearity

Within 0.01% of FS

Resolution

Internal resolution: 8 million counts
Display resolution: Selectable up to 100,000dd

Display

2" (50 mm) LED Display,
Decimal point available at each digit

Status Annunciators

Tare, entered tare, standstill, net, gross, center of zero, minus sign, lb, kg

Front Panel

5-button rubber-booted SURVIVOR® watertight switches

Circuit Protection

ESD, EMI, RFI protected

Serial Output

Printer port: RS-232 full duplex 20 mA simplex
EDP Port: RS-232 full duplex
Baud rates: 300 to 38,400 7 or 8 data bits; even, odd or no parity

Power

Line voltages: 115 or 230 VAC
Frequency: 50/60 Hz
Power consumption: 25W maximum

Digital Inputs

2 inputs, TTL or switch closure, active low

Digital Outputs

2 outputs, 250 mA max sink

Operating Temperature

14°F to 104°F (-10°C to 40°C)

Rating/Material

NEMA 4X FRP

Weight

18 lbs (8.2kg)

Approvals

NTEP - certified at 10,000 Divisions,
Class III/IIIL Measurement Canada approved AM-5554

Warranty

Two year limited warranty

Dimensions
A = 14.50" (368.3 mm)
B = 12.50" (317.5 mm)
C = 8.28" (210.3 mm)
D = 14.94" (379.4 mm)
E = 10.00" (254 mm)