Bently Nevada 991-25-50-02-01 991 Thrust Transmitter

Description

Manufacturer: Bently Nevada
Product No.: 991-25-50-02-01
Product Type: Probe Vibration Transmitter
Made in: U.S.A

The 991-25-50-02-01 is a reliable thrust transmitter. It measures axial vibration using a proximity probe. It can detect very small movements with a full-scale range of ±25 mils (±0.6 mm). The transmitter sends a steady 4-20 mA signal for easy monitoring.

Ordering Options:
– Model: 991 – Thrust Transmitter
– Full-scale: -25 (±25 mils / ±0.6 mm)
– Cable Length: -50 (5.0 meters / 16.4 feet)
– Mounting: 02 (Bulkhead screws)
– Certification: 01 (CSA Division 2)

Mount & Power:
Mount the transmitter on a DIN rail. It needs power from +12 to +35 Vdc to work well.

Specifications:
– Output: 4-20 mA current signal
– Input: Works with 1 non-contacting 3300 NSv probe and cable
– Range: 0.25 to 1.65 mm linear range for ±0.6 mm or ±25 mils
– Accuracy: ±1.5% across full scale
– Max Loop Resistance: 1,000 Ω at 35 Vdc
– Current Limit: 23 mA typical
– Calibration: External zero and span controls

Environment & Weight:
– Operating Temperature: -35°C to +85°C (-31°F to +185°F)
– Storage Temperature: -51°C to +100°C (-60°F to +212°F)
– Weight: 0.43 kg (0.9 lb)
– Warranty: 1 year

Download PDF file here:991 Thrust Transmitter Datasheet – 141618