Standard features

Two metal mounting brackets
Three stages of protection: Gas discharge tube, series resistor and transient voltage suppressor (TVS)
Two terminal posts for ground
RS-232 high energy surge protector
Terminal blocks for transmit, receive, request to send, clear to send and signal ground
Safe for use with computers and PLCs
Also works with RS-485, RS-422 and 20 mA
ABS plastic case, weighs less than 1 lb
Large vernier knob, smooth 10-turn potentiometer
Ideal tool for troubleshooting a scale system, bench testing stability of indicators and setpoint simulation

Specifications

Clamping Voltage (Stage One): 72 V DC minimum, 108 V DC maximum
Series Resistance (Stage Two): 2.7 ohm
Clamping Voltage (Stage Three): 14.3 V minimum, 15.7 V maximum
Clamping Time: < 5 × 10 ? seconds
Temperature: Operating: 0 °F to 122 °F (-18 °C to 50 °C)
Connectors: Five-position terminal blocks
Dimensions: (L × W × H) Approximately 4.5 × 3.3 × 1.8 in
Warranty: One-year limited
Approvals: CE Listed
Variable Range: 0 to 3 mV/V
Impedance: 700 ohm nominal
Temperature Coefficient: ±100 ppm/ °C

Models & part numbers

Available configurations.

Part / model	Description
69201	TP232
68029	Ranger 1 variable range simulator

Options & accessories (4)

17778	12 in ground strap
17781	24 in ground strap
69516	Additional installation manual
21116	Cable (4 ft) with banana plugs

Pricing, availability, and lead times are confirmed in your quote. Source: Rice Lake Weighing Systems 2026 Master Catalog, page 610. Specifications are subject to change without notice.