SPECIFICATIONS
Accuracy: Temperature Range: 10 to 35°C (50 to 95°F)
Total Temperature Coef: 0.0025%/°C Typ.
Isolation: ad or dc, 3-way ac to Input or Output: 750 Vac dc to Input or Output: 300 Vdc/500 pf
Amplifier:
Input Range: 5 to 50 mV Full Scale
Linearity: ±0.01 FS
Temp Coef: 0.0015%/°C typ.
Input Noise: 0.1 to 10 Hz, 2 mV p-p
Tare Adjustment: (Three Ranges) -3 to 6.5 mV, 6.5 to 16 mV, 16 to 25 mV
Common Mode Rejection Ratio:100 db
Common Mode Input Voltage: 5 Vdc
Test Output Signal: adds 8 mA or 4 V to signal
Loop Resistance: (Current Output) 0 to 1000 Ω
Maximum Current Load: (Voltage Output) 5 mA
Frequency Response: -3 db @ 10 Hz
Response Time: (10 to 90%) 35 ms
Bridge Supply: 5 to 10 Vdc @ 120 mA
Line Regulation: <0.01% Typical 0.002%
Output Noise: <1 mV rms 120 Hz Bandwidth
AC Power: 115 V (90 to 130 V) 230 V (180 to 260 V)
DC Power: 11 to 30 V, 8 W
Weight: 10.5 lb (4.7 kg)
Dimensions: NEMA-4 Box: 10 L x 8 W x 4″ H (254 x 203 x 102 mm)
Total: 12.5 x 9 x 4.4″ (318 x 229 x 112 mm)
Summing Box/Transmitter With Process Outputs
$386.00 Original price was: $386.00.$95.99Current price is: $95.99.
- Complete Strain Gage Bridge Signal Conditioner
- High Gain, Low Drift Amplifier
- Wide Input Range from 5 mV to 50 mV Full Scale
- 80% Tare Offset
- Hassle-Free Payments
- Online assistance, always at your service.
- Your needs, our top priority.
- Safe Payments, Happy Customers

The JBOX-4800 is an ac or dc powered summing transmitter for up to four load cells with user selectable output options of 0-20 mA, 4-20 mA, 0-10 Vdc or 2-10 Vdc. The JBOX has built-in excitation supply capable of delivering up to 120 mA from 5 Vdc to 10 Vdc. 3-way isolation is standard; input to output and power. Designed with industrial weighing applications in mind, a large tare offset is standard (80% of a 3 mV signal @ 10 V excitation). The board is wired and socketed for high and low setpoint/alarms. To activate, the user buys the relays and plugs them in.
| Input Type | mV |
|---|---|
| Input Class | Bridge, strain, mV |
| Input Ranges | 5 to 50 mV dc |
| Output Type | mA, V |
| Output Class | Process |
| Supply Voltage Type | AC/DC |
| Isolation | 750 V |
| Programability | None |
| Additional Feature | NEMA 4 Enclosure |
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