STBT3100 FLOW MONITOR
The STBT3100 Series flow monitor is a flexible, durable, easy-to-use platform for your flow metering applications. Our trusted flow metering technology now offers a new flow monitor with more options and features than ever before with the STBT3100 Series.
Applications
The STBT3100 monitor is suitable for application in a wide variety of metering needs. A few of the more common industries are:
Features
| SPECIFICATIONS | |
| Display | Dimensions: Ø 2.56 × 1.77 in. (65 × 45 mm) Digits: Seven 0.47 in. (12 mm) and eleven 0.28 in. (7 mm) digits. Various symbols and measuring units Refresh Rate: User definable: 8 times/sec – 30 sec Speedometer: To indicate the actual flow rate, the bar graph range is 0…100% in 20 blocks, each block is 5% |
| Ambient Operating Temperature | – 40…158° F (– 40…70° C) |
| Enclosure | Rating: NEMA 4×, NEMA 7, NEMA 8, NEMA 9, IP66, IP67 Dimensions: 4.41 × 5.24 × 5.83 in. (112 × 133 × 148 mm) W × H × D Entry Thread: 2 × 3/4 in. NPT (T1), 1 × 1 in. NPT (T2) |
| Power Requirements | Long life Lithium battery; lifetime depends on settings and configuration; Up to approx. 3 years NOTE: The battery can power the backlight for a short time after a keypad touch Loop powered, analog output; 11…27V DC; Minimum 3.5 mA NOTE: The loop powered analog output cannot power the backlight Power Supply: 9…27V DC; Consumption max. 3W |
| Sensor Excitation | Terminal S3: 3V DC for pulse signals and 1.2 V DC for coil pickup, Iout max. 100 μA |
| Terminal Connections | Removable plug-in terminal strip; Wire max. 1.5 mm2 and 2.5 mm2 |
| Data Protection | EEPROM backup of all settings; Backup of running totals every minute; Data retention is 10 years Configuration settings can be password protected |
| Hazardous Area | CSA c-us / FM: Class I, Division 1, Grps A, B, C, D Class II/III, Division 1, Grps E, F, G Class I, Zone 1, AEx d IIC T6/T5 Gb Zone 21, Aex tb IIIC T85°C/T100°C Db |
| Directives and Standards | EMC: EN 61326-1; FCC 47 CFR part 15 LVD: EN/IEC 61010-1 ATEX / IECEx: EN/IEC 60079-0; EN/IEC 60079-1; EN/IEC 60079-31 CSA: CSA 22.2 No. 25, CSA 22.2 No. 30, No. 61010-1-12 RoHS: EN 50581 IP & TYPE: EN 60529; NEMA 250 FM: Class 3600, 3615, 3616, 3810 UL: UL 61010-1 |
| Input | Pulse Flow Meter: Coil / sine wave (COIL-HI: 20 mVpp or COIL-LO: 90 mVpp sensitivity selectable), NPN, PNP, reed switch, NAMUR, active pulse signals 8 or 24V DC Frequency: Min. 0 Hz, max. 10k Hz for total and flow rate; Maximum frequency depends on signal type and internal low-pass filter; For example, a reed switch with low-pass filter: max. frequency 120 Hz K-Factor: 0.000010…9,999,999 with variable decimal position Low-pass filter: Available for all pulse signals External reset total |
| Digital Output | Pulse: Transmitting linearized accumulated total Frequency: 500 Hz max; Pulse length user-definable from 1 msec to 10 sec One passive transistor output (NPN), not isolated; 300 mA to 50V @ 77° F (25° C) |
| Analog Output | General: Transmitting linearized flow rate Galvanically isolated, loop powered 4…20 mA output Accuracy: 12 bit; Error 0.03% @ 68° F (typical 25 ppm/°F); analog output signal can be scaled to any desired range |
| Communication | Reading display information, reading/writing all configuration settings and data log extraction Modbus RTU, RS485 2-wire, bus termination without resistor for low power solutions Maximum 247 addresses Baud rate: 1200, 2400, 4800, 9600, 19K2, 38K4 |