GR400 Digital Weight Indicator
The GR400 series of indicators are designed with both the installer and operator in mind and cover a wide range of applications.
View or download the datasheet below for full technical specifications and wiring diagrams.
Key Features
- 100,000 d @ 0.25 μV/d.
- Built in RS232/RS485 communication modules
- IP65 ABS or stainless steel housing
- Designed to take 16×320 ohm load cells
- Ethernet and Profibus DP support
- Robust precise analogue output module
- 250 Product storage
- Counting with piece weight entry
- Custom unit switching
- Set pointing configured on a product basis
- Reporting
- Custom printing
Ideal Applications
- Weigh bridges, general trade weighing, multiple
indicator weighing systems and process control.
Outline Dimensions
Specifications
| Resolution | Up to 100,000d minimum of 0.25uV/d | ||||||
|---|---|---|---|---|---|---|---|
| Approvals | 10,000d@0.7uV/d NMI(S-463), OIML R76 III/III L-NTEP 08-720 MID 2004/22/EC-WELMEC 2.1 & 7.2 FCC, CE, C-tick | ||||||
| Zero Cancellation | ±2.0 mV/V | ||||||
| Span Adjustment | 0.1mV/V -3.0mV/V | ||||||
| Excitation | 7.4V for up to 16 x 350 or 32 x 700 ohm load cells (4-wire or 6-wire plus shield) Maximum total load cell resistance: 1,000 ohms | ||||||
| A/D Type | 24bit Sigma Delta with ±8,388,608 internal counts | ||||||
| Operating Environment | Temperature: –10 to +50°C ambient (14 °F to 122 °F) Humidity: <90% non-condensing | ||||||
| Display | LCD with 4 alpha-numeric displays and LED backlighting: Primary display: 6 x 28.4mm (1.12″) high digits with units and annunciators 2nd display: 9 x 17.6 mm (0.7″) digits with units 3rd display: 8 x 6.1 mm (0.2″) digits 4th display: 4 x 7.6 mm (0.3″) digits | ||||||
| Setup and Calibration | Full digital with visual prompting in plain messages | ||||||
| Digital Filter | Sliding window average from 0.1 to 30.0 seconds | ||||||
| Zero Range | Adjustable from +/- 2% to +/- 20% of full capacity | ||||||
| Standard Power Input | 12 to 24VDC (15 VA max) – ON/OFF key with memory feature | ||||||
| Variants | AC | AC power supply Input: 110/240VAC 50/60Hz Output: 12VDC 15VA | |||||
| Battery | 2.5AH NiMH rechargeable battery pack Charger Input: 110/240VAC 50/60Hz Output: 12VDC | ||||||
| Optical Data Communications | Magnetically coupled infra-red communications Conversion cables available for RS232 or USB | ||||||
| Correction | 10 point linearity correction | ||||||
| Serial Outputs | Serial 1A: RS-232 serial port for remote display, network or printer supports. Serial 1B: RS485 transmit only for remote display Transmission rate: 2400, 4800, 9600 or 19200 baud | ||||||
| Assignable Function Keys | 3 | ||||||
| Operating Modes | Single Range, Dual Range and Dual Interval | ||||||
| Battery Backed Clock Calendar | Battery life 10 years minimum | ||||||
| Application Software | K401 | K402 | K404 | K410 | K411 | K412 | |
| Functions | Custom printing, custom unit switching, counting, manual hold, peak hold, auto output totalising | Single pass weighing Two pass weighing Dedicated truck key Custom printing Temporary Truck IDs Preset Tare Specialised truck dockets | 1 Material | 6 Material | 20 Material | ||
| Up to 10 Batching Stages 3 Speed Fill Fill, Dump & Pulse stages Inflight & jogging correction, Negative batching Batch suspend Timer (RTC) based multiple batching | |||||||
| Products/Recipes | 1 | 250 | 250 Trucks | 100 Recipes | |||
| Analogue Output * (M4401) | 1 | – | 1 | – | |||
| Set points | 8 | ||||||
| Additional Communications * | Module: RS232/RS232 Module: RS232/RS485 Module: RS485/RS485 | ||||||
| Button Input * | 4 Buttons | ||||||
| Data Storage Device * (M4501) | 1 | ||||||
| Profibus-DP | Used with Group Four 1400 Profibus-DP Module | ||||||
| Ethernet * (M4221) | 1 | ||||||
| Housing Options | GR420 | GR423 | |||||
| Case Materials | ABS | Stainless Steel | |||||
| Packing Weights | Indicator: 1kg (35 oz) | Indicator: 1.2kg (42 oz) | |||||
| Environmental IP Rating (panel mounted or with rear boot) | IP65 | IP66 | |||||


