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Monarch Instrument - Model SPSR-IM - Self-Powered Sensors
The unique SPSR (Self-Powered Sensor) with internal rechargeable batteries provides the required power to any one of (4) Monarch Sensors (see below). The TTL compatible output is switch selectable as either positive going 0-5 V pulses or negative going 5-0 V pulses provided on a BNC connector. The internal rechargeable batteries provide 40 hours of operation between charges. For continuous operation, the SPSR can be powered by 115/230 V ac. Self-powered sensors are a critical element for providing one pulse per revolution for vibration analyzers, spectrum analyzers, stroboscopes, data acquisition equipment, tachometers, balancers, waveform analyzers, and magnetic tape recorders.
PN: 6150-020 SPSR-115/230 Kit includes: SPSR-IM, SPSR-U Universal Power supply/recharger, ROS-P Remote Optical Sensor, and 12 inches of Reflective Tape
PN: 6150-021 SPSR-IM (module only) includes: Interface Module with SPSR-U 115/230 V ac power supply/recharger; SENSOR MUST BE ORDERED SEPARATELY (see below)
- PURCHASE DIRECT FROM MANUFACTURER
- FREE LIFETIME TECH SUPPORT
- FREE SHIPPING for orders over $250 (the contiguous USA only)
- TAX-FREE
The SPSR-IM Self-Powered Sensor Interface Module is a self-contained, rechargeable battery powered device for developing a TTL compatible one pulse per revolution output for triggering external equipment such as vibration analyzers, spectrum analyzers, stroboscopes, data acquisition equipment, tachometers, balancers, waveform analyzers and magnetic tape recorders.
For convenience, the SPSR-115/230 Kits includes our most popular sensor, the ROS-P. The SPSR-IM is the interface module only and can be paired with any of the following (4) sensors (ordered separately) to best suit your particular application:
A visible optical red LED light source (Model: ROS-P PN: 6180-057)
A visible optical red laser light source (Model: ROLS-P PN: 6180-029)
An infrared light source (Model: IRS-P PN: 6180-020)
An amplified magnetic sensor (Model: MT-190P PN: 6180-036)

- Internal Batteries : Internal Batteries Nickel metal hydride (NiMH) battery pack, 4.8 Vdc
- Operating Interval : >40 hours typical with ROS-P (~40 mA load)
- Charge Time : Up to 4 hours
- Output : TTL compatible pulse, INVERTED or NON-INVERTED switch selectable
- With ROS (negative pulse) input, output will be a positive pulse when set to inverted or negative pulse when set to non-inverted; optionally, the output can be open collector (external pull-up required)
- Bandwidth : 0 to 100 kHz
- Battery Current Draw : 12 mA with kΩ load (operational)
- 7.5 V Input Current Draw : 14 mA with kΩ load (operational)
- Power Supply : SPSR-U (operational/charge)
- LED Indicator : Status indication; see LED Indication section of the product manual
- Output Connector : BNC connector (female)
- Operating Temperature : 32 °F to 122 °F (0 °C to 50 °C)
- Weight : 8.3 oz. (235 g)
- Dimensions : 5.0 in. x 2.5 in. x 1 in. [127 mm x 64 mm x 25 mm]
- Harmonized Tariff Code: 9029205000
- Country of Origin: US
- Export Control Classification Number (ECCN): EAR99